What are white nails? A white nail, also known as leukonychia, is the partial or full discolouration of the nail plate on one or more fingernails or toenails. White nails are the most common nail dyschromia. The nail will lose its general pink undertone and appear white.Urticaria pigmentosa. Urticaria pigmentosa is a form of cutaneous mastocytosis in which there are brown macules and papules. Urticaria pigmentosa is mostly seen in infants and improves with age. It may also arise in adults when it tends to persist. Lesions may affect trunk and limbs, and less often scalp and face.Erythromelalgia is characterised by intense burning pain, erythema (marked redness), and increased skin temperature, primarily of the feet and hands. It is classified into primary and secondary erythromelalgia. Erythromelalgia is also known as erythermalgia. Primary erythromelalgia with positive family history is known as Weir-Mitchell disease.Curettage. The lesion should be sent to a pathology laboratory for analysis. The wound surface is then cauterised with a hot wire beaded tip or electrosurgical unit (diathermy). This stops bleeding and helps destroys any remaining skin tumour cells. This procedure is usually repeated twice for malignant skin lesions (serial curettage and cautery).Sebaceous hyperplasia is the term used for enlarged sebaceous glands seen on the forehead or cheeks of the middle-aged and older people. Sebaceous hyperplasia appears as small yellow bumps up to 3 mm in diameter. Close inspection reveals a central hair follicle surrounded by yellowish lobules. There are often prominent blood vessels, best seen ...What is cellulitis? Cellulitis is a common bacterial skin infection of the lower dermis and subcutaneous tissue. It results in a localised area of red, painful, swollen skin, and systemic symptoms. Left untreated, cellulitis can be life-threatening. Similar symptoms are experienced with the more superficial infection, erysipelas, so cellulitis and erysipelas … With crawling, the extensor aspects of the elbows and wrists, knees and ankles are affected. The distribution becomes flexural with walking, particularly involving the antecubital and popliteal fossae (elbow and knee creases). Dribble and food can cause dermatitis around the mouth and chin. Treatment of seborrhoeic dermatitis often involves several of the following options. Keratolytics : used to remove scale when necessary, e.g. salicylic acid, lactic acid, urea, propylene glycol. Topical antifungal agents: applied to reduce Malassezia e.g. ketoconazole, or ciclopirox shampoo and/or cream. Basal cell carcinoma (BCC) is a common, locally invasive, keratinocytic, or nonmelanoma skin cancer. It is also known as rodent ulcer and basalioma. Patients with BCC often develop multiple primary tumours over time. Basal cell carcinoma can be pigmented or nonpigmented. Its subtypes include: Other less common variants.A PASI score is a tool used to measure the severity and extent of psoriasis. PASI is an acronym for Psoriasis Area and Severity Index. Completing a PASI score takes a few minutes and experience to calculate it accurately. Link to DermNet's patient-oriented PASI score tool (PO-PASI) if you have psoriasis yourself or you are a beginner in ...Neurofibromatosis 1. NF1 occurs in about 1 in 3000 births. It also known as von Recklinghausen disease. It is characterised by the presence of: 6 or more café-au-lait macules — flat light brown birthmarks. Freckling in skin folds. Lisch nodules in the iris of the eye. Multiple neurofibromas — tumours that hang off the skin.DermDiag. The DermDiag Tool is designed to help you understand your skin condition. This tool does not provide medical advice. To get started, select the part of the body where you are experiencing symptoms. We suggest that you search our Glossary if you are unfamiliar with any dermatological terms. Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ... DermNet now features a library of authentic patient cases with images. These cover the various symptoms, diagnosis, treatments, and outcomes that can be expected in the real world. You'll find these cases listed below. All of our content is written by medical professionals and reviewed by dermatologists before being published. Granuloma annulare may be a delayed hypersensitivity reaction to a component of the dermis or a reaction pattern to numerous triggers. Reported triggering events have included many skin infections and infestations, and types of skin trauma. Inflammation is mediated by tumour necrosis factor alpha ( TNF α). The reason this occurs is unknown. Lipodermatosclerosis is an inflammatory skin condition resulting from underlying venous insufficiency. This is caused by: Incompetent venous valves. Venous outflow obstruction. Dysfunction of the calf muscle pump [2]. The resulting venous hypertension causes an increase of leukocytes within the veins, which then migrate into surrounding tissue. Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss. Angular cheilitis is a common, non-contagious, inflammatory condition affecting the corners of the mouth or oral commissures. Depending on the underlying cause, it may last a few days or persist indefinitely. It is also called angular stomatitis, cheilosis, rhagades, or perleche (perlèche).A dermatofibroma can occur anywhere on the skin. Dermatofibroma size varies from 0.5–1.5 cm diameter; most lesions are 7–10 mm diameter. A dermatofibroma is tethered to the skin surface and mobile over subcutaneous tissue. The overlying skin dimples on pinching the lesion – the dimple or pinch sign. Colour may be pink to light brown in ... A kerion presents as a boggy pus -filled lump, often several centimetres in diameter. It is characterised by marked inflammation. Hairs within the kerion are loose and fall out, often resulting in a bald area ( localised alopecia ). Enlargement of the regional lymph nodes can occur, and some people become systemically unwell with fevers and ... Moisturisers are products used to add moisture to the skin. Emollients are products used to soften and smooth skin (eg, lanolin, glycerol stearate). Although the terms emollient and moisturiser are often used synonymously, emollients can also be described as a specific ingredient of moisturisers. There are often a number of available moisturisers.Updated January 2015. DermNet NZ Revision April 2021. Table of contents. Introduction Classification Demographics Clinical features Causes Diagnosis Treatment Differential …Authoritative facts about the skin from DermNet New Zealand. DermNet provides Google Translate, a free machine translation service. Note that this may not provide an exact translation in all languages. Topics A-Z. Images. Cases. Jobs. AI dataset. More . Skin checker; About; Browse ... The Australian and New Zealand Melanoma …Neurofibromatosis 1. NF1 occurs in about 1 in 3000 births. It also known as von Recklinghausen disease. It is characterised by the presence of: 6 or more café-au-lait macules — flat light brown birthmarks. Freckling in skin folds. Lisch nodules in the iris of the eye. Multiple neurofibromas — tumours that hang off the skin.Macular amyloidosis is generally pruritic, although the degree of pruritus varies from mild to severe. It can assume a subtle rippled or reticulated pattern, which resembles the ‘seafloor pattern’ seen in lichen amyloidosis. Macular amyloidosis may co-exist with lichen amyloidosis in up to 25% of affected patients [9].Lentigo maligna is a precursor to lentigo maligna melanoma, a potentially serious form of skin cancer. Lentigo maligna is also known as Hutchinson melanotic freckle. Lentigo maligna is an early form of melanoma in which the malignant cells are confined to the tissue of origin, the epidermis, hence it is often reported as ‘ in situ ’ melanoma.Dermatosis is a generic term for a disease of the skin. When examining the skin, a dermatologist assesses distribution, morphology and arrangement of skin lesions: their …Melanoma of the nail unit is usually a variant of acral lentiginous melanoma, a malignant melanoma arising from the palms of the hands and soles of the feet. Other rare forms of melanoma that may arise in the nail unit are nodular melanoma or desmoplastic melanoma. Melanoma of the nail unit most often affects the great toe and thumbnail ...Melanoma of the nail unit is usually a variant of acral lentiginous melanoma, a malignant melanoma arising from the palms of the hands and soles of the feet. Other rare forms of melanoma that may arise in the nail unit are nodular melanoma or desmoplastic melanoma. Melanoma of the nail unit most often affects the great toe and thumbnail ...Lentigo maligna is a precursor to lentigo maligna melanoma, a potentially serious form of skin cancer. Lentigo maligna is also known as Hutchinson melanotic freckle. Lentigo maligna is an early form of melanoma in which the malignant cells are confined to the tissue of origin, the epidermis, hence it is often reported as ‘ in situ ’ melanoma.Seborrhoeic keratosis is a harmless warty spot that appears during adult life as a common sign of skin ageing. Some people have hundreds of them. Seborrhoeic keratosis (American spelling - seborrheic keratosis) is also called SK, basal cell papilloma, senile wart, brown wart, wisdom wart, or barnacle. The descriptive term, benign keratosis, is ...Tinea versicolor is more accurately called pityriasis versicolor. This is a common yeast infection on the trunk. Tinea incognito refers to a tinea infection in which the clinical appearance has changed because of inappropriate treatment. Tinea nigra is a mould infection (not a dermatophyte). It affects the palms or soles, which appear brown (on ...Trichotillomania is estimated to affect up to 4% of the general population. It can affect males and females of any age but is more common in children than in adults. Peak of onset usually occurs in the pre-school years and also in early adolescence, usually around the time of puberty. In children, trichotillomania affects boys and girls equally ...Periorificial dermatitis (POD) is a chronic inflammatory skin eruption around the eyes, nostrils, mouth, and genitals. It may be limited to a single orifice or involve multiple …Infection of internal organs, including the gastrointestinal tract, lungs, and brain ( encephalitis) Herpes zoster is infectious to people who have not previously had chickenpox. Herpes zoster in the early months of pregnancy can harm the fetus, but luckily this is rare. Shingles in late pregnancy can cause chickenpox in the fetus or newborn.Dermatitis herpetiformis (DH) is an inflammatoryimmunobullous disease of the skin and a cutaneousmanifestation of coeliac (celiac) disease, a gluten-sensitive enteropathy. The name herpetiformis is derived from the tendency for blisters to appear in clusters, resembling herpes simplex. However, DH is not due to viral infection.Dermatomyositis is thought to be caused by a microangiopathy affecting skin and muscle. There is a genetic predisposition to the development of dermatomyositis such as the PTPN22 gene and HLA associations identified include: Anti-Mi-2 antibodies: HLA DRB1*07 and DQA*0201. Silica exposure — in tradespeople.Anogenital warts are an infection caused by specific human papillomavirus types, most commonly HPV types 6 and 11. Warts will usually appear three to six months after infection but they may appear months or even years later. Anogenital warts are usually a sexually transmitted infection (STI).Hand, foot, and mouth disease (HFMD or HFM) is a common, self-limiting, viral infection that causes blisters on the hands, feet, and inside or around the mouth. It mainly affects children under the age of 5 years. HFMD, also called enteroviral vesicular stomatitis, occurs sporadically worldwide. Epidemics are most common during warm weather ...A list of the most commonly used key terms and phrases in dermatology.Sun damage ( photoageing, actinic keratoses) Repeated prior episodes of sunburn. Fair skin, blue eyes and blond or red hair — note; BCC can also affect darker skin types. Previous cutaneous injury, thermal burn, disease (eg cutaneous lupus, sebaceous naevus) Inherited syndromes: BCC is a particular problem for families with basal cell naevus ...What is cellulitis? Cellulitis is a common bacterial skin infection of the lower dermis and subcutaneous tissue. It results in a localised area of red, painful, swollen skin, and systemic symptoms. Left untreated, cellulitis can be life-threatening. Similar symptoms are experienced with the more superficial infection, erysipelas, so cellulitis and erysipelas …What is seborrhoeic dermatitis? Seborrhoeic dermatitis is a common, chronic, or relapsing form of eczema /dermatitis that mainly affects the sebaceous gland -rich regions of the …Photodynamic therapy (PDT) is a treatment used mainly for superficial types of skin cancer. PDT is effective in treating actinic keratoses, in situ squamous cell carcinoma (Bowen disease), and superficial basal cell carcinomas. It may also be used for treatment of small, thin, low-risk nodular basal cell carcinomas outside of the head and neck ...Epidermolysis bullosa. EB should be distinguished from common friction blisters, and from epidermolysis bullosa acquisita (EBA), which is a blistering autoimmune disease that is not inherited and often doesn't develop until adult life. The EB conditions result from genetic defects of molecules in the skin concerned with adhesion. Carotenoderma is due to carotenaemia. Primary carotenaemia is usually due to excessive intake of carotenoid-containing foods or supplements. Carotene is found in all pigmented fruits and vegetables. High levels are associated with a deep yellow, orange, or green colour. Examples of fruit and vegetables with a high β-carotene content include ... See full list on dermnetnz.org Supported by the New Zealand Dermatological Society, DermNet New Zealand was launched in 1996 by Dr Amanda Oakley and a small team of New Zealand dermatologists.. Dr Oakley saw what was coming, and long before Google or Wikipedia, Dermnet.org.nz was dedicated to clinical information about skin conditions and their treatment — a free …A PASI score is a tool used to measure the severity and extent of psoriasis. PASI is an acronym for Psoriasis Area and Severity Index. Completing a PASI score takes a few minutes and experience to calculate it accurately. Link to DermNet's patient-oriented PASI score tool (PO-PASI) if you have psoriasis yourself or you are a beginner in ...DermNet won the 2017 New Zealand Ministry of Health Clinician's Challenge Award for the development of a skin disease image recognition tool. [9] [10] In 2017, Oakley won the … Dermatoporosis is a term used to describe chronic cutaneous insufficiency and fragility associated with both intrinsic and extrinsic ageing. The features of dermatoporosis include: Skin fragility and atrophy. Senile purpura. Stellate pseudoscars (star-shaped white patches) Non-healing atrophic ulcers. DermNet is a not-for-profit, independent health publishing organisation with a mission to make authoritative information about the skin accessible to anyone in the world. We have information about almost every skin condition and have a library of over 20,000 dermatology images. All of our content is created or reviewed by a dermatologist and we ... Treatment for acne depends on the patient's age and sex, the extent and the severity of the acne, how long it has been present, and response to previous treatments. Treatment for mild acne includes topical anti-acne preparations, lasers and lights. Treatment for moderate acne includes antibiotics such as tetracyclines and/or antiandrogens such ... Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ...A PASI score is a tool used to measure the severity and extent of psoriasis. PASI is an acronym for Psoriasis Area and Severity Index. Completing a PASI score takes a few minutes and experience to calculate it accurately. Link to DermNet's patient-oriented PASI score tool (PO-PASI) if you have psoriasis yourself or you are a beginner in ...Chronic spontaneous urticaria is unpredictable and debilitating. The weals are more persistent in chronic spontaneous urticaria than in chronic inducible urticaria, but each tends to resolve or alter in shape within 24 hours.They may occur at certain times of the day. Some patients with chronic spontaneous urticaria report associated systemic …Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ...DermDiag. The DermDiag Tool is designed to help you understand your skin condition. This tool does not provide medical advice. To get started, select the part of the body where you are experiencing symptoms. We suggest that you search our Glossary if you are unfamiliar with any dermatological terms.Acne conglobata is a rare severe form of nodulocystic acne. It presents with groups of multiple comedones and inflammatory papules, pustules, and nodules involving the trunk, limbs, and buttocks. Interconnecting abscesses and draining sinuses become secondarily infected causing pain and malodour. Healing is slow, leaving unsightly hypertrophic ...Malassezia folliculitis, also known as pityrosporum folliculitis, is an infection of the pilosebaceous unit caused by lipophilic Malassezia yeasts particularly M. globosa, M. sympodialis and M. restricta. Malassezia yeast are normal inhabitants of the human skin surface and only cause disease under specific conditions.Chronic spontaneous urticaria is unpredictable and debilitating. The weals are more persistent in chronic spontaneous urticaria than in chronic inducible urticaria, but each tends to resolve or alter in shape within 24 hours.They may occur at certain times of the day. Some patients with chronic spontaneous urticaria report associated systemic …Malignant melanoma may arise from melanocytes found on the skin or rarely from mucosal surfaces, under the nails and in the meninges. Melanoma may arise from common acquired naevi or from dysplastic naevi. They may also arise from the solar lentigo or atypical lentigo. Most arise de novo. The dermoscopic features are enormously variable.Measles vaccine induces long-term (probably life-long) immunity in most individuals. Vaccination schedules recommend a two-dose immunisation strategy; the first dose at 12–15 months of age, followed by a second dose at 4–6 years. Measles vaccine should not be given during pregnancy.Pseudofolliculitis barbae (PFB) is a common inflammatory reaction of the hair follicle, most often on the face as a result of shaving. Also known as “razor bumps” or “shaving bumps”, it can also occur on any site where hair is shaved or plucked, including the axilla, pubic area, and legs. Folliculitis barbae presents similarly, but is ... Dermatoporosis is a term used to describe chronic cutaneous insufficiency and fragility associated with both intrinsic and extrinsic ageing. The features of dermatoporosis include: Skin fragility and atrophy. Senile purpura. Stellate pseudoscars (star-shaped white patches) Non-healing atrophic ulcers. Melanoma of the nail unit is usually a variant of acral lentiginous melanoma, a malignant melanoma arising from the palms of the hands and soles of the feet. Other rare forms of melanoma that may arise in the nail unit are nodular melanoma or desmoplastic melanoma. Melanoma of the nail unit most often affects the great toe and thumbnail ... A list of the most commonly used key terms and phrases in dermatology. Necrotising fasciitis may also affect upper limb, perineum, buttocks, trunk, head and neck. Symptoms appear usually within 24 hours of a minor injury. Pain is often very severe at presentation and worsens over time. There may be flu-like symptoms, such as nausea, fever, diarrhoea, dizziness and general malaise.Epidermolysis bullosa. EB should be distinguished from common friction blisters, and from epidermolysis bullosa acquisita (EBA), which is a blistering autoimmune disease that is not inherited and often doesn't develop until adult life. The EB conditions result from genetic defects of molecules in the skin concerned with adhesion.Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ... Granuloma annulare may be a delayed hypersensitivity reaction to a component of the dermis or a reaction pattern to numerous triggers. Reported triggering events have included many skin infections and infestations, and types of skin trauma. Inflammation is mediated by tumour necrosis factor alpha ( TNF α). The reason this occurs is unknown. Mycophenolate mofetil is an immunosuppressant approved for to prevent rejection of solid organ (kidney, liver, heart) transplants. Off-label use of mycophenolate mofetil is widespread in dermatology. Vitiligo, small vessel vasculitis, lichen planus and its variants, erythema multiforme, pyoderma gangrenosum, granulomatosis with polyangiitis ... Sun damage ( photoageing, actinic keratoses) Repeated prior episodes of sunburn. Fair skin, blue eyes and blond or red hair — note; BCC can also affect darker skin types. Previous cutaneous injury, thermal burn, disease (eg cutaneous lupus, sebaceous naevus) Inherited syndromes: BCC is a particular problem for families with basal cell naevus ... Tender or asymptomatic. Actinic keratoses are very common on sites repeatedly exposed to the sun, especially the backs of the hands and the face, most often affecting the ears, nose, cheeks, upper lip, vermilion of the lower lip, temples, forehead, and balding scalp. In severely chronically sun-damaged individuals, they may also be found on the ... Granuloma annulare may be a delayed hypersensitivity reaction to a component of the dermis or a reaction pattern to numerous triggers. Reported triggering events have included many skin infections and infestations, and types of skin trauma. Inflammation is mediated by tumour necrosis factor alpha ( TNF α). The reason this occurs is unknown. Dermatosis is a generic term for a disease of the skin. When examining the skin, a dermatologist assesses distribution, morphology and arrangement of skin lesions: their …Aphthous ulceration is classified into three types. Recurrent minor aphthous ulcer (80%). This is less than 5 mm in diameter and heals within 1–2 weeks. Major aphthous ulcer, which is large (often more than 10 mm) and takes weeks or months to heal and leaves a scar. Herpetiform ulcers, which are multiple pinpoint ulcers that heal within a month.Tinea versicolor is more accurately called pityriasis versicolor. This is a common yeast infection on the trunk. Tinea incognito refers to a tinea infection in which the clinical appearance has changed because of inappropriate treatment. Tinea nigra is a mould infection (not a dermatophyte). It affects the palms or soles, which appear brown (on ...Chronic spontaneous urticaria is unpredictable and debilitating. The weals are more persistent in chronic spontaneous urticaria than in chronic inducible urticaria, but each tends to resolve or alter in shape within 24 hours.They may occur at certain times of the day. Some patients with chronic spontaneous urticaria report associated systemic …Pseudofolliculitis barbae (PFB) is a common inflammatory reaction of the hair follicle, most often on the face as a result of shaving. Also known as “razor bumps” or “shaving bumps”, it can also occur on any site where hair is shaved or plucked, including the axilla, pubic area, and legs. Folliculitis barbae presents similarly, but is ...Bimekizumab (Bimzelx®) is a novel humanised immunoglobulin (IgG1) monoclonal antibody used to treat moderate to severe plaque psoriasis, generalised pustular psoriasis, and psoriatic erythroderma. Bimekizumab selectively and directly inhibits interleukin 17A and 17F (IL-17A and IL-17F). It is produced in a genetically engineered …See full list on dermnetnz.org Infection of internal organs, including the gastrointestinal tract, lungs, and brain ( encephalitis) Herpes zoster is infectious to people who have not previously had chickenpox. Herpes zoster in the early months of pregnancy can harm the fetus, but luckily this is rare. Shingles in late pregnancy can cause chickenpox in the fetus or newborn.Conservancy of southwest florida, Ourisman honda maryland, Walmart medford wi, Five finger death punch tour, Sea and sand rv park oregon, Walmart ruidoso, Alsip home and nursery, Bozeman lodge, Chattanoogan, Kim russo, Creekstone farms premium beef, Camp wilson, Boch theater, Lakewood blueclaws
Darier disease is an autosomal dominant genetic disorder classified as a hereditary acantholytic dermatosis. Darier disease typically presents with scaly crusted papules in a seborrhoeic distribution and in skin folds. Also …Folliculitis means an inflamed hair follicle due to any cause. The result is a tender red spot, often with a surface pustule. Folliculitis may be superficial or deep. It can affect anywhere there are hairs, including chest, back, buttocks, arms, and legs. Acne and its variants are also types of folliculitis. Tender or asymptomatic. Actinic keratoses are very common on sites repeatedly exposed to the sun, especially the backs of the hands and the face, most often affecting the ears, nose, cheeks, upper lip, vermilion of the lower lip, temples, forehead, and balding scalp. In severely chronically sun-damaged individuals, they may also be found on the ... Shoe contact dermatitis can be defined by dermatitis on the feet caused by any footwear consisting of multiple different materials. Contact dermatitis may be due to allergic (type IV hypersensitivity reaction) or irritant dermatitis. Shoe dermatitis represents approximately 10% of all persons attending for patch testing.Avoid use of soaps and detergents. Keep fingernails short. Keep skin hydrated. Eczema is characterised by reduced skin barrier function, which leads to enhanced water loss and dry skin, therefore, hydrate with warm soaking baths for at least 10 minutes followed by application of moisturiser/ emollient.Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ...Neurofibromatosis 1. NF1 occurs in about 1 in 3000 births. It also known as von Recklinghausen disease. It is characterised by the presence of: 6 or more café-au-lait macules — flat light brown birthmarks. Freckling in skin folds. Lisch nodules in the iris of the eye. Multiple neurofibromas — tumours that hang off the skin.Ichthyosis vulgaris is characterised by excessive dry, scaly skin. It is the most common form of the inherited ichthyoses. The name “ichthyosis“ is derived from the Greek root “ichythys” meaning fish, to which ichthyosis vulgaris owes its other names, “fish scale disease,” or “fish skin disease”; “vulgaris” means common.DermNet™ is a website that provides reliable information on how to care for skin conditions, by experts in dermatology. You can find pages on various skin diseases, treatments, … Trichotillomania is estimated to affect up to 4% of the general population. It can affect males and females of any age but is more common in children than in adults. Peak of onset usually occurs in the pre-school years and also in early adolescence, usually around the time of puberty. In children, trichotillomania affects boys and girls equally ... Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ...Measles vaccine induces long-term (probably life-long) immunity in most individuals. Vaccination schedules recommend a two-dose immunisation strategy; the first dose at 12–15 months of age, followed by a second dose at 4–6 years. Measles vaccine should not be given during pregnancy.Shoe contact dermatitis can be defined by dermatitis on the feet caused by any footwear consisting of multiple different materials. Contact dermatitis may be due to allergic (type IV hypersensitivity reaction) or irritant dermatitis. Shoe dermatitis represents approximately 10% of all persons attending for patch testing.Cherry angioma is an asymptomatic firm red, blue, or purple papule, 0.1–1 cm in diameter. When thrombosed, it can appear black in colour until examined with a dermatoscope when the red or purple colour is more easily seen. Cherry angiomas are usually multiple. They are usually scattered over any part of the body surface, but are rarely found ... Introduction. Itch is defined by a desire to scratch. An acute or chronic itchy rash is most often due to dermatitis / eczema. Dermatitis can be primary, or secondary to scratching. Stages include: Acute dermatitis: red, oozy, swollen skin. Subacute dermatitis: red, dry skin. Chronic dermatitis: skin coloured or dark, dry, thickened skin with ... Updated January 2015. DermNet NZ Revision April 2021. Table of contents. Introduction Classification Demographics Clinical features Causes Diagnosis Treatment Differential … The Australian and New Zealand Melanoma Guidelines report that metastases are rare for melanomas < 0.75mm and the risk for tumours 0.75–1 mm thick is about 5%. The risk steadily increases with thickness so that melanomas > 4 mm result in a 10-year survival of around 50%, according to the American Joint Committee on Cancer (AJCC) statistics. Systemic sclerosis (SSc) is an autoimmune inflammatory condition. It results in potentially widespread fibrosis and vascular abnormalities, which can affect the skin, lungs, gastrointestinal tract, heart and kidneys. The skin becomes thickened and hard ( sclerotic ). Systemic sclerosis has been subdivided into two main subtypes, according to ...By definition, dermographism appearing at least 30 minutes after stroking. It may be described after a typical weal of immediate dermographism comes and goes, 3–6 hours later a wide weal reappears without a flare at the same site and persists for up to 48 hours. Associated with burning and tenderness of the weal.Adults. Assess risk factors and comorbid disease of psoriasis at presentation and as indicated thereafter. Cardiovascular risk factors, and management of these (eg, smoking cessation ) Measure blood pressure, lipid studies and fasting glucose at least annually. Risk of venous thromboembolism and its management [1].Athlete's foot is a term often used to describe a fungal infection (or dermatophytosis) of the foot ( tinea pedis ). It most often results in peeling skin and fissuring between the toes (the toe clefts ). The cleft between the fourth and fifth toes is the most frequently affected. Fungal infection is not the only reason for peeling and ... Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ... Pityriasis rosea is a self-limiting rash that resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch" on the chest, abdomen, or back, followed by … Granuloma annulare may be a delayed hypersensitivity reaction to a component of the dermis or a reaction pattern to numerous triggers. Reported triggering events have included many skin infections and infestations, and types of skin trauma. Inflammation is mediated by tumour necrosis factor alpha ( TNF α). The reason this occurs is unknown. DermNet NZ revision August 2021. Table of contents. Introduction Demographics Causes Clinical features Diagnosis Treatment Outlook. What is pityriasis versicolor? Pityriasis …Hand, foot, and mouth disease (HFMD or HFM) is a common, self-limiting, viral infection that causes blisters on the hands, feet, and inside or around the mouth. It mainly affects children under the age of 5 years. HFMD, also called enteroviral vesicular stomatitis, occurs sporadically worldwide. Epidemics are most common during warm weather ...Acne products should be applied to all areas affected by acne, rather than just put on individual spots. A thin smear should only be applied to dry clean skin at nighttime. Acne products may work better if applied in the morning as well. They often cause dryness particularly in the first 2–4 weeks of use.Updated January 2015. DermNet NZ Revision April 2021. Table of contents. Introduction Classification Demographics Clinical features Causes Diagnosis Treatment Differential …Pseudofolliculitis barbae (PFB) is a common inflammatory reaction of the hair follicle, most often on the face as a result of shaving. Also known as “razor bumps” or “shaving bumps”, it can also occur on any site where hair is shaved or plucked, including the axilla, pubic area, and legs. Folliculitis barbae presents similarly, but is ...Skin conditions caused or aggravated by infection by malassezia include: Pityriasis versicolor – most often due to M. globosa, M. sympodialis and M. furfur. Malassezia folliculitis due to the yeast growing in the hair follicles where they produce inflammation. Steroid acne. Seborrhoeic dermatitis, dandruff, sebopsoriasis and facial or scalp ...Brachioradial pruritus presents as itch without rash, most commonly on the proximal forearm in the C6 distribution overlying the brachioradial muscle. It may be unilateral or bilateral, and may extend to adjacent dermatomes or skin sites, such as the shoulders, back, and chest. Secondary changes due to scratching and rubbing may include ...Darier disease is an autosomal dominant genetic disorder classified as a hereditary acantholytic dermatosis. Darier disease typically presents with scaly crusted papules in a seborrhoeic distribution and in skin folds. Also … Urticaria pigmentosa. Urticaria pigmentosa is a form of cutaneous mastocytosis in which there are brown macules and papules. Urticaria pigmentosa is mostly seen in infants and improves with age. It may also arise in adults when it tends to persist. Lesions may affect trunk and limbs, and less often scalp and face. Aphthous ulceration is classified into three types. Recurrent minor aphthous ulcer (80%). This is less than 5 mm in diameter and heals within 1–2 weeks. Major aphthous ulcer, which is large (often more than 10 mm) and takes weeks or months to heal and leaves a scar. Herpetiform ulcers, which are multiple pinpoint ulcers that heal within a month. The term atypical naevus is sometimes used to mean any funny-looking mole, and sometimes to mean a melanocytic lesion that is suspected of being a melanoma (a cancerous mole). One definition of an atypical naevus is a mole with at least 3 of the following features. Size > 5 mm diameter. Ill-defined or blurred borders. Introduction. Itch is defined by a desire to scratch. An acute or chronic itchy rash is most often due to dermatitis / eczema. Dermatitis can be primary, or secondary to scratching. Stages include: Acute dermatitis: red, oozy, swollen skin. Subacute dermatitis: red, dry skin. Chronic dermatitis: skin coloured or dark, dry, thickened skin with ... DermNet does not provide an online consultation service. If you have any concerns with your skin or its treatment, see a dermatologist for advice.Photosensitivity refers to various symptoms, diseases and conditions caused or aggravated by exposure to sunlight. A rash due to photosensitivity is a photodermatosis (plural photodermatoses). If the rash is eczematous, it is a photodermatitis. A chemical or drug that causes photosensitivity is a photosensitiser. Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ... Fungal infection of the nail, also known as onychomycosis, compromises over 50% of all nail disease with an estimated prevalence of 5.5%. They can affect the toenails, fingernails, or both. Fungal nail infections are also known as tinea unguium in …Chronic paronychia is a gradual process. It may start in one nail fold, particularly the proximal nail fold, but often spreads laterally and to several other fingers. Each affected nail fold is swollen and lifted off the nail plate. This allows the entry of organisms and irritants. The affected skin may be red and tender from time to time, and ...Ramsay Hunt syndrome is a rare peripheral facial neuropathy. It is a type of shingles due to reactivation of the varicella zoster virus (VZV) in the geniculate ganglion of cranial nerve VII, which supplies the facial nerve. Ramsay Hunt syndrome is characterised by unilateral facial weakness and painful blisters — either in the ear canal on ... Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ... What are the clinical features of guttate psoriasis? Acute onset over days. Numerous small patches (<1 cm) Pink, scaly, thin patches or plaques of psoriasis. Scale can be subtle in early lesions. Widespread lesions predominantly over the trunk and limbs. Lesions on the face, scalp, and ears tend to be faint and short-lived.Updated January 2015. DermNet NZ Revision April 2021. Table of contents. Introduction Classification Demographics Clinical features Causes Diagnosis Treatment Differential …UVB phototherapy is delivered within a specially designed cabinet. Fluorescent light tubes are positioned to target affected areas with ultraviolet radiation (eg, hands or feet). For full body treatments, patients are undressed with genitalia covered, and eyes or full face should be protected with goggles or a face mask.Miliaria rubra, the most common form of heat rash, results in red, 2–4 mm, non- follicular papules and papulovesicles. They are very itchy. Background erythema is often present. In children, miliaria involves the trunk and the skin folds of the neck, axilla or groin. In adults, miliaria often affects the upper trunk, scalp, neck and flexures ... Introduction. If you don't find what you are looking for on this page, try DermNet's Glossary of Dermatology Terms or Dermatological diagnoses often have more than one name. . DermNet refers to various resources when naming conditions, including the World Health Organisation (WHO)'s International Classification of Diseases (see ICD11 coding tool), and the Systematized Nomenclature of Medicine ... Pityriasis rosea is a self-limiting rash that resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch" on the chest, abdomen, or back, followed by …A target lesion is a round skin lesion with three concentric colour zones: A bright red outermost ring. Target lesions typically occur in erythema multiforme. They can arise on any body site, including face, upper chest, back, arms, legs, hands, feet and mucous membranes (such as the lips). A target lesion is also called a bulls-eye lesion or a ...Dumping syndrome is the association of facial flushing with racing heart, sweating, dizziness, weakness, and tummy upset. Symptoms begin after gastric surgery and are provoked after a meal or ingestion of hot drinks or strong glucose. The syndrome becomes worse after the menopause. Tender or asymptomatic. Actinic keratoses are very common on sites repeatedly exposed to the sun, especially the backs of the hands and the face, most often affecting the ears, nose, cheeks, upper lip, vermilion of the lower lip, temples, forehead, and balding scalp. In severely chronically sun-damaged individuals, they may also be found on the ... Measles vaccine induces long-term (probably life-long) immunity in most individuals. Vaccination schedules recommend a two-dose immunisation strategy; the first dose at 12–15 months of age, followed by a second dose at 4–6 years. Measles vaccine should not be given during pregnancy.17.8% were aged 50-59. 23.9% were aged 60-69. 23.7% were aged 70-79. 16% were aged 80 or older. The mean age for melanoma diagnosis is 65.7 years among men and 62.4 years among women. Melanoma is the most common cancer diagnosed in young Australians aged 15–29 years, accounting for 15% of all cancers in this age group.Eczema herpeticum is a disseminated viral infection characterised by fever and clusters of itchy blisters or punched-out erosions. It is most often seen as a complication of atopic dermatitis /eczema. Eczema herpeticum is also known as Kaposi varicelliform eruption because it was initially described by Kaposi in 1887, who thought it resembled ... It is characterised by: Open and closed uninflamed comedones (blackheads and whiteheads) Inflamed papules and pustules. In severe acne, nodules and pseudocysts. Post-inflammatory erythematous or pigmented macules and scars. Adverse social and psychological effects. Severity is classified as mild, moderate, or severe. Scalp psoriasis is a skin condition characterised by red, thickened, well- demarcated patches or plaques with overlying silvery-white scales, affecting part or all of the scalp. It can be contained within the hairline, though frequently affects the back of the head, or extends onto the forehead ( facial psoriasis ), ears, or neck.There are many types of drug eruption, which range from a clinically mild and unnoticed rash to a severe cutaneous adverse reaction (SCAR) that may be life-threatening. The most common drug eruptions are: Morbilliform or exanthematous drug eruption. Urticaria and/or angioedema (which rarely leads to anaphylaxis ). SCARs are rare:Patch testing is undertaken for the investigation and confirmation of substances that produce allergic contact dermatitis. It involves applying appropriately diluted allergens to the skin, usually on the back for convenience, for 48 hours. The patch tests are then read at 96 hours as reactions usually take 48–96 hours to develop.Melanoma of the nail unit is usually a variant of acral lentiginous melanoma, a malignant melanoma arising from the palms of the hands and soles of the feet. Other rare forms of melanoma that may arise in the nail unit are nodular melanoma or desmoplastic melanoma. Melanoma of the nail unit most often affects the great toe and thumbnail ...Introduction. If you don't find what you are looking for on this page, try DermNet's Glossary of Dermatology Terms or Dermatological diagnoses often have more than one name. DermNet refers to various resources when naming conditions, including the World Health Organisation (WHO)'s International Classification of Diseases (see ICD11 coding tool), …Sun damage ( photoageing, actinic keratoses) Repeated prior episodes of sunburn. Fair skin, blue eyes and blond or red hair — note; BCC can also affect darker skin types. Previous cutaneous injury, thermal burn, disease (eg cutaneous lupus, sebaceous naevus) Inherited syndromes: BCC is a particular problem for families with basal cell naevus ... Carotenoderma is due to carotenaemia. Primary carotenaemia is usually due to excessive intake of carotenoid-containing foods or supplements. Carotene is found in all pigmented fruits and vegetables. High levels are associated with a deep yellow, orange, or green colour. Examples of fruit and vegetables with a high β-carotene content include ... Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ...Periorificial dermatitis (POD) is a chronic inflammatory skin eruption around the eyes, nostrils, mouth, and genitals. It may be limited to a single orifice or involve multiple … It is characterised by: Open and closed uninflamed comedones (blackheads and whiteheads) Inflamed papules and pustules. In severe acne, nodules and pseudocysts. Post-inflammatory erythematous or pigmented macules and scars. Adverse social and psychological effects. Severity is classified as mild, moderate, or severe. Dermatitis herpetiformis (DH) is an inflammatoryimmunobullous disease of the skin and a cutaneousmanifestation of coeliac (celiac) disease, a gluten-sensitive enteropathy. The name herpetiformis is derived from the tendency for blisters to appear in clusters, resembling herpes simplex. However, DH is not due to viral infection. A dermatofibroma can occur anywhere on the skin. Dermatofibroma size varies from 0.5–1.5 cm diameter; most lesions are 7–10 mm diameter. A dermatofibroma is tethered to the skin surface and mobile over subcutaneous tissue. The overlying skin dimples on pinching the lesion – the dimple or pinch sign. Colour may be pink to light brown in ...Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss.Hand, foot, and mouth disease (HFMD or HFM) is a common, self-limiting, viral infection that causes blisters on the hands, feet, and inside or around the mouth. It mainly affects children under the age of 5 years. HFMD, also called enteroviral vesicular stomatitis, occurs sporadically worldwide. Epidemics are most common during warm weather ...This refers to a depression in the skin due to the elastic tissue within the dermis that is lost. Less commonly, acne scarring can result in a keloid or hypertrophic scar. A hypertrophic scar is the same size as the acne lesion that caused it, while a keloid scar is an excessive scar formation often larger than the causative lesion.Supported by the New Zealand Dermatological Society, DermNet New Zealand was launched in 1996 by Dr Amanda Oakley and a small team of New Zealand dermatologists.. Dr Oakley saw what was coming, and long before Google or Wikipedia, Dermnet.org.nz was dedicated to clinical information about skin conditions and their treatment — a free … Cutaneous features of periorificial dermatitis include: An acneiform eruption. Clusters of skin-coloured to red papules, vesicles, and pustules. Usually less than 2mm each; may coalesce into larger lesions. Erythematous base with a sharp border. Surrounding skin is often dry. Scaly and flaky skin surface. Carotenoderma is due to carotenaemia. Primary carotenaemia is usually due to excessive intake of carotenoid-containing foods or supplements. Carotene is found in all pigmented fruits and vegetables. High levels are associated with a deep yellow, orange, or green colour. Examples of fruit and vegetables with a high β-carotene content include ... Scarlet fever usually starts with a sudden fever associated with sore throat, swollen neck glands, headache, nausea, vomiting, loss of appetite, swollen and red strawberry tongue, abdominal pain, body aches, and malaise. The characteristic rash appears 12–48 hours after the start of the fever. The rash usually starts below the ears, … The term atypical naevus is sometimes used to mean any funny-looking mole, and sometimes to mean a melanocytic lesion that is suspected of being a melanoma (a cancerous mole). One definition of an atypical naevus is a mole with at least 3 of the following features. Size > 5 mm diameter. Ill-defined or blurred borders. Scabies is a transmissible skin disease caused by the ectoparasitic mite Sarcoptes scabiei var. hominis. This variant infests humans only; scabies cannot be caught or transferred to other animals. Scabies is a highly contagious infestation of the human epidermis. Scabies was described by Aristotle who likened the disease to lice of the flesh. . La playa beach and golf resort, Stokes county animal shelter, Juniors tires, Rogers and hollands jewelers, Defy sparks, Elizabethtown movie theater, National ability center, Xtreme racing center pigeon forge, Cinemark movie bistro edinburg, Wildhorse resort casino, Fun bus, Beach properties of hilton head, Walmart excelsior springs mo, Chez michelle, Classic ford mentor, The cult band, Virginia ent, Mandk truck centers.