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Phytophotodermatitis, a form of plant dermatitis, is a skin reaction that occurs after natural photosensitising chemicals (furanocoumarins) present within plant sap and fruits, become smeared onto the skin, and there is subsequent exposure to sunlight. The areas affected become acutely red, and often blister.

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 ...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 ...Basal cell carcinoma (BCC) is a common, locally invasive, keratinocyte cancer (also known as nonmelanoma cancer). It is the most common form of skin cancer. BCC is also known as rodent ulcer and basalioma. Patients with BCC often develop multiple primary tumours over time.DermNet is a New Zealand-based website that offers reliable and current information on skin conditions and treatments. Watch videos on dermatological emergencies, bacterial …Learn about pityriasis rosea, a self-limiting rash that causes a large circular or oval patch on the chest, abdomen, or back. Find out the causes, symptoms, diagnosis, treatment, and complications of this condition.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 …

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 …Cutaneous signs in dermatology are pathognomonic or diagnostic for certain conditions. A knowledge of these signs is a useful skill, which must not be forgotten in the recent trend … In general, patients with extramammary Paget disease have a good prognosis with a 5-year overall survival rate of 75–95%. However, quality of life can be significantly impacted after radical surgery. Although extramammary Paget disease is usually intraepithelial, it can progress to invasive disease with metastases. A to Z image directory of skin conditions from DermNet. Search through our comprehensive picture galleries on a variety of skin diseases. 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.Schamberg disease ( progressive pigmented purpura) Schamberg disease is the most common type of capillaritis. Regular or irregular crops of red-brown flat patches with cayenne pepper spots on their borders appear for no apparent reason. Although most common on the lower legs, the Schamberg form of capillaritis can arise on any part of the …In general, patients with extramammary Paget disease have a good prognosis with a 5-year overall survival rate of 75–95%. However, quality of life can be significantly impacted after radical surgery. Although extramammary Paget disease is usually intraepithelial, it can progress to invasive disease with metastases.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 … 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 ...

Cutaneous signs in dermatology are pathognomonic or diagnostic for certain conditions. A knowledge of these signs is a useful skill, which must not be forgotten in the recent trend …The purpose of DermNet is to provide authoritative information about skin diseases, conditions and treatments for dermatologists, students and medical researchers. The …Tinea corporis is spread by the shedding of fungal spores from infected skin. Transmission is facilitated by a warm, moist environment and the sharing of fomites including bedding, towels, and clothing. Dermatophyte infection elsewhere on the skin, such as tinea pedis, can also be transferred. The incubation period is 1–3 weeks.Squamous cell papilloma may be defined as a small benign (non-cancerous) growth that begins in squamous cells (thin, flat cells) that are found in the tissue that forms the surface of the skin ( epidermis ), the passages of the respiratory and digestive tract and in the lining of hollow organs of the body. Squamous cell papilloma is caused by ...Pityriasis lichenoides (PL) is an uncommon cutaneous rash of uncertain aetiology . The acute form, pityriasis lichenoides et varioliformis acuta (PLEVA), and the chronic form, pityriasis lichenoides chronica (PLC), sit at either end of a disease spectrum with many patients showing overlapping features. The eponym Mucha–Habermann disease is ...A fibrous papule of the nose is a common and harmless skin lesion. It is a firm solitary papule that occurs on or around the nose and has a characteristic appearance under the microscope. A fibrous papule of the nose may also be known as a fibrous papule of the face, solitary angiofibroma, or sporadic angiofibroma.

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 · Heat urticaria is a rare type of physical or chronic inducible urticaria. It is also called contact heat urticaria and localised heat urticaria. Heat urticaria occurs following the direct contact of a warm stimulus to the skin. The onset of urticaria is typically rapid (within minutes) and the urticaria resolves within 1–2 hours. · Heat urticaria is a rare type of physical or chronic inducible urticaria. It is also called contact heat urticaria and localised heat urticaria. Heat urticaria occurs following the direct contact of a warm stimulus to the skin. The onset of urticaria is typically rapid (within minutes) and the urticaria resolves within 1–2 hours.Dyshidrotic eczema (pompholyx) is a chronic, recurrent condition and appears as small, deep-seated, fluid-filled blisters (vesicles) on the sides of the fingers, hands, and feet. The vesicles are small (1–2mm), often symmetrical, with no associated erythema, and they do not occur elsewhere on the body. Vesicles may coalesce …Skin cancers are malignant tumours in which there is an uncontrolled proliferation of any one of the many skin cell types, whereas the normal process of regeneration of skin involves replication of the cells in a controlled fashion. Each subtype of skin cancer has unique characteristics. The most common forms of skin cancer are: …Low level laser therapy is a safe form of light/heat treatment under investigation for a variety of health indications. It is being used to treat the genetic forms of hair loss common in men and women, androgenetic alopecia or pattern balding. Low level laser therapy is also called red light therapy, cold laser, soft laser, biostimulation and ...Skin cancers are malignant tumours in which there is an uncontrolled proliferation of any one of the many skin cell types, whereas the normal process of regeneration of skin involves replication of the cells in a controlled fashion. Each subtype of skin cancer has unique characteristics. The most common forms of skin cancer are: …

The purpose of DermNet is to provide authoritative information about skin diseases, conditions and treatments for dermatologists, students and medical researchers. The …DermNet is a comprehensive online resource for skin health information. Learn about psoriasis, a chronic inflammatory skin condition with red and scaly plaques, its types, causes, diagnosis and treatment options. · Heat urticaria is a rare type of physical or chronic inducible urticaria. It is also called contact heat urticaria and localised heat urticaria. Heat urticaria occurs following the direct contact of a warm stimulus to the skin. The onset of urticaria is typically rapid (within minutes) and the urticaria resolves within 1–2 hours.Pityriasis alba is a common skin disorder in children (90%) and young adults. It is particularly prevalent in atopics. It is characterised by one or more flaky pink patches and hypopigmentation. The patches are often found on the cheeks and upper arms and are more noticeable in darker skinned children. It is generally asymptomatic.DermNet does not provide an online consultation service. If you have any concerns with your skin or its treatment, see a dermatologist for advice. Search DermNet to see clinical skin condition summaries and dermatology images.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 ...DermNet is a New Zealand-based website that offers reliable and current information on skin conditions and treatments. Watch videos on dermatological emergencies, bacterial …On DermNet NZ. View pictures of atopic dermatitis in the gallery below. Atopic dermatitis, also called atopic eczema, is the most common inflammatory skin disease worldwide and presents as generalised skin dryness, itch, and rash.Chronic venous insufficiency can be caused by: Venous factors. Incompetent valve in the superficial, perforating, and deep systems. External compression of veins. Deep venous obstruction. Previous deep vein thrombosis. Impaired calf muscle pump. Immobility including lack of physical exercise and paralysis. Joint disease …Melanoma in situ is an early form of primary melanoma in which the malignant cells are confined to the tissue of origin, the epidermis. It is also known as in-situ melanoma and level 1 melanoma. As melanoma in situ has no associated mortality, early detection of melanoma in an in-situ phase increases survival from melanoma and leads to less ... · Heat urticaria is a rare type of physical or chronic inducible urticaria. It is also called contact heat urticaria and localised heat urticaria. Heat urticaria occurs following the direct contact of a warm stimulus to the skin. The onset of urticaria is typically rapid (within minutes) and the urticaria resolves within 1–2 hours.

Melasma is a common acquired skin disorder that presents as a bilateral, blotchy, brownish facial pigmentation. This form of facial pigmentation was previously called chloasma, but as this derives from the Greek meaning ‘to become green’, the term melasma (brown skin) is preferred. It was also known as the ‘mask of pregnancy’.

Link to DermNet's pages about fungal skin infections. Introduction to fungal infections; Yeast infections Candida. Candida general information; Napkin dermatitis (diaper rash) Non-albicans candida infections; Oral candidiasis (oral thrush) Vulvovaginal candidiasis (vaginal thrush) Candida intertrigo (skin fold infection) Paronychia (nail fold ... The affected skin may be red and itchy, swollen and blistered, or dry and bumpy. Some typical examples of allergic contact dermatitis include: Eczema in the skin in contact with jewellery items, due to contact allergy to nickel. Reactions to fragrances in perfumes and household items. Eczema under adhesive plaster, due to contact allergy to rosin. 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.Cutaneous signs in dermatology are pathognomonic or diagnostic for certain conditions. A knowledge of these signs is a useful skill, which must not be forgotten in the recent trend … · Heat urticaria is a rare type of physical or chronic inducible urticaria. It is also called contact heat urticaria and localised heat urticaria. Heat urticaria occurs following the direct contact of a warm stimulus to the skin. The onset of urticaria is typically rapid (within minutes) and the urticaria resolves within 1–2 hours.Dercum disease is also known as adiposis dolorosa. It is a rare disease characterised by a combination of features: Multiple encapsulated fat overgrowths ( lipomas) on the trunk and limbs. Painful subcutaneous plaques. Ecchymoses (bruises) without noticed trauma. Dercum disease may be associated with … Discoid eczema usually affects the limbs, particularly the legs, but the rash may be widespread. Although often bilateral, the distribution can be asymmetrical especially if related to varicose veins. Individual plaques are well circumscribed, mostly 1–3 cm in diameter, and inflamed. The majority of patches are round or oval. Pityriasis rosea is a self-limiting rash, which resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch", usually found on the chest, abdomen, or back. The herald patch is followed some time later, typically two weeks or so, by the development of smaller scaly oval red patches, resembling a Christmas tree ...

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Low level laser therapy is a safe form of light/heat treatment under investigation for a variety of health indications. It is being used to treat the genetic forms of hair loss common in men and women, androgenetic alopecia or pattern balding. Low level laser therapy is also called red light therapy, cold laser, soft laser, biostimulation and ...Choose a product that has no dyes, alcohols, fragrances and other ingredients that might irritate the skin. Allow the moisturizer to absorb into the skin before getting dressed. …Jan 31, 2019 · 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. Low level laser therapy is a safe form of light/heat treatment under investigation for a variety of health indications. It is being used to treat the genetic forms of hair loss common in men and women, androgenetic alopecia or pattern balding. Low level laser therapy is also called red light therapy, cold laser, soft laser, biostimulation … 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 ... Dercum disease is also known as adiposis dolorosa. It is a rare disease characterised by a combination of features: Multiple encapsulated fat overgrowths ( lipomas) on the trunk and limbs. Painful subcutaneous plaques. Ecchymoses (bruises) without noticed trauma. Dercum disease may be associated with …Dyshidrotic eczema (pompholyx) is a chronic, recurrent condition and appears as small, deep-seated, fluid-filled blisters (vesicles) on the sides of the fingers, hands, and feet. The vesicles are small (1–2mm), often symmetrical, with no associated erythema, and they do not occur elsewhere on the body. Vesicles may coalesce …What is a digital myxoid pseudocyst? A digital myxoid pseudocyst is a shiny papule found at the end of a finger or toe, close to the nail. It is called a pseudocyst because it is not surrounded by a capsule, unlike a true cyst. It is also called a myxoid cyst, a mucous cyst, a digital ganglion cyst, and a digital synovial cyst.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 …Basal cell carcinoma (BCC) is a common, locally invasive, keratinocyte cancer (also known as nonmelanoma cancer). It is the most common form of skin cancer. BCC is also known as rodent ulcer and basalioma. Patients with BCC often … ….

Basal cell carcinoma (BCC) is a common, locally invasive, keratinocyte cancer (also known as nonmelanoma cancer). It is the most common form of skin cancer. BCC is also known as rodent ulcer and basalioma. Patients with BCC often …Feb 1, 2021 · Behçet disease (BD) is a rare, multi-system condition characterised by recurrent painful oral and genital ulcers, a variety of skin lesions, and eye problems. Many other organs such as the gut, nervous system, lungs, and arteries may also be affected. It is a form of vasculitis which primarily targets small arteries, but can …A to Z image directory of skin conditions from DermNet. Search through our comprehensive picture galleries on a variety of skin diseases. 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. 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. DermNet NZ is a comprehensive online resource for dermatology, offering information, images, and cases for students and professionals. Find out the top textbooks for …Low level laser therapy is a safe form of light/heat treatment under investigation for a variety of health indications. It is being used to treat the genetic forms of hair loss common in men and women, androgenetic alopecia or pattern balding. Low level laser therapy is also called red light therapy, cold laser, soft laser, biostimulation and ...Dupilumab (Dupixent ®; Sanofi, Paris, France; Regeneron, New York, USA) is a fully human monoclonal antibody, which has shown significant efficacy and a favourable safety profile in moderate-to-severe atopic dermatitis alone and in combination with topical corticosteroids. The U.S. Food and Drug Administration (FDA) approved Dupixent ® as a ...Basal cell carcinoma (BCC) is a common, locally invasive, keratinocyte cancer (also known as nonmelanoma cancer). It is the most common form of skin cancer. BCC is also known as rodent ulcer and basalioma. Patients with BCC often …The mottled appearance of cutis marmorata is caused by superficial small blood vessels in the skin dilating and contracting at the same time. Dilation creates the red colour of the skin whilst contraction produces a pale appearance. This phenomenon is most pronounced when the skin is cooled. The reasons for the reaction are not fully understood.Acrodermatitis chronica atrophicans typically presents as a unilateral violet discolouration of the extensor parts of the upper or lower limbs, especially the dorsum of the hand, elbow, instep, ankle, or knee. However, it can appear anywhere on the body and can be bilateral. ACA develops in 2 stages. Dermnet, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]