Erythrasma presents as well-defined pink or brown patches with fine scaling and superficial fissures. Mild itching may be present. The common sites for erythrasma are armpits, groin and between the toes. The intergluteal fold, submammary, and periumbilical skin may also be affected. Widespread infections are most often associated with diabetes ...Imiquimod is an immune response modifier. It is manufactured as a 5% (50 mg/g) cream called Aldara™. Generic forms of imiquimod cream are also available. The Perrigo brand is funded by PHARMAC in New Zealand (2019). A 3.75% cream called Zyclara™ has also been approved by the FDA in the USA but is not yet available in New Zealand (March …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 ...Mastocytosis is a diverse group of disorders characterised by the expansion and accumulation of mast cells in one or more organ systems. It can affect the skin, bone marrow, liver, spleen, gastrointestinal tract, or lymph nodes . In 2022, the World Health Organisation (WHO) categorised three main types of mastocytosis: Erythema nodosum is a hypersensitivity reaction of unknown cause in up to 55% of patients [6]. In other cases, it is associated with an identified infection, drug, inflammatory condition, or malignancy [7]. Other viral and bacterial diseases associated with erythema nodosum include herpes simplex, viral hepatitis, human immunodeficiency virus ... 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 ... 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 ... Welcome to DermNet, the world's leading free dermatology resource. Scroll through evidence-based information on dermatological diseases (skin conditions), procedures, …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.On DermNet. Pityriasis rosea images; Herpes viruses; Viral infections; Psoriasis; Other websites. Pityriasis rosea — British Association of Dermatologists; Patient information: Pityriasis rosea (The Basics) — … Perioral/ periorificial dermatitis. Usually adult females using face cream, often topical corticosteroid. Often, asymmetrical first in perioral sites, later in perinasal and periocular sites. Spares a centimetre of skin around vermilion of lips. Grouped erythematous papules and pustules on erythematous patches, flaky surface. Pigmentation disorders are often more troublesome in skin of colour. The melanocytes ( pigment cells) are located at the base of the epidermis and produce the protein melanin. Melanin is carried by keratinocytes to the skin surface. The melanocytes of dark-skinned people produce more melanin than those of people with light skin.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.Dermatology resources for medical students. Welcome to DermNet’s medical student resource centre. This centre has been designed to help increase your confidence and …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).Periorificial dermatitis has been reported to resolve in 72% of children in an average time of 3.8 months [3]. Corticosteroid use may prolong the disease course [4]. Lesions typically resolve without scarring; however, pigmentary changes may occur [3]. Recurrence in children is common in those who are dependent on a corticosteroid [3].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 ...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. 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. 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.Erythema nodosum is a hypersensitivity reaction of unknown cause in up to 55% of patients [6]. In other cases, it is associated with an identified infection, drug, inflammatory condition, or malignancy [7]. Other viral and bacterial diseases associated with erythema nodosum include herpes simplex, viral hepatitis, human immunodeficiency … 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. The herald patch is a single patch that appears before the generalised rash of pityriasis rosea. It is a slightly raised, oval, salmon-pink or red plaque 2–5 cm in diameter, with a peripheral scale trailing just inside the edge of the lesion, like a collaret. Pityriasis rosea and a herald patch on the torso. A hypopigmented herald patch.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 ... 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. Inflammatory skin conditions. Chondrodermatitis nodularis helicis. Otitis externa. Contact allergic dermatitis to nickel. Chilblains. Juvenile spring eruption. Cutaneous lupus erythematosus. Relapsing polychondritis. Scalp psoriasis, atopic dermatitis and seborrhoeic dermatitis frequently affect the skin fold behind the ear. Venous eczema can form discrete patches or become confluent and circumferential. Features include: Itchy red, blistered and crusted plaques; or dry fissured and scaly plaques on one or both lower legs. Orange-brown macular pigmentation due to haemosiderin deposition. Atrophie blanche (white irregular scars surrounded by red spots) 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.DermNet It has become a world renowned resource all about the skin. The website has more than 2,300 topic pages and 25,000 clinical and dermatopathology images. More than 100 new topics and 500 ...Nummular dermatitis (or eczema) is also known as discoid eczema (or dermatitis). It has two forms: Exudative (‘wet’) nummular dermatitis. Dry nummular dermatitis. Exudative nummular dermatitis. The exudative variant starts acutely and may persist for weeks, months and rarely years. Although it may arise at any age, most subjects are over 50 ...It may cause discomfort or bleeding when passing bowel motions, and aggravate any tendency to constipation, particularly in children. Lichen sclerosus causes adhesions and scarring. The clitoris may be buried. The labia minora resorb/shrink. The entrance to the vagina tightens (introital stenosis ).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 …Lip licker’s dermatitis is a reaction of the lips ( eczematous cheilitis) and surrounding skin ( irritant contact dermatitis) due to contact with an irritating substance — in this case, saliva from the patient’s own tongue [1,2]. Other names for lip licker's dermatitis are lip-lick cheilitis, irritant contact cheilitis due to lip-licking ...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: Basal cell ...Pigmentation disorders are often more troublesome in skin of colour. The melanocytes ( pigment cells) are located at the base of the epidermis and produce the protein melanin. Melanin is carried by keratinocytes to the skin surface. The melanocytes of dark-skinned people produce more melanin than those of people with light skin. The treatment of atopic dermatitis is covered in detail on other DermNet webpages: Treatment of atopic dermatitis. What is the outcome for atopic dermatitis? Atopic dermatitis affects 15–20% of children and is less common in adults. Sensitive skin persists lifelong. It is impossible to predict whether atopic dermatitis will improve by itself ... Anal intraepithelial neoplasia. Anal intraepithelial neoplasia (AIN) is a superficial squamous-cell carcinoma usually associated with human papillomavirus (HPV) 16 and 18, often seen in HIV /AIDS. The clinical features are non-specific, presenting as a bleeding, well-defined red, scaly erythematous rash-like plaque on the perianal skin. Seborrhoeic dermatitis is a common chronic erythematous scaly dermatosis that may arise in adolescents. It is more prevalent in middle-aged adults. Seborrhoeic dermatitis affects the following sites: Scalp: the inflammatory phase of pityriasis capitis (dandruff) Other hair bearing areas especially eyebrows, moustache. Pustules are smaller than 5–10 mm, and filled with pus, that is, purulent material composed of inflammatory cells ( neutrophils ). Pus can indicate bacterial, fungal or viral infection. Some pustules are sterile and are due to inflammatory skin disease. This topic provides a differential diagnosis of pustular skin conditions.HealthCert Education is Australia's leading provider of university quality-assured and CPD-accredited education for medical professionals. In collaboration with renowned …Lichen planopilaris is an uncommon inflammatory condition that can lead to permanent hair loss. The disease is considered to be a form of lichen planus which affects the hair follicles. It results in patchy, progressive, permanent hair loss mainly on the scalp, although other hair bearing skin (brows, pubic, and body) may be affected.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:Many patients with longstanding type 1 diabetes develop diabetic cheiroarthropathy or diabetic stiff skin (digital sclerosis). This results in restricted mobility of the joints of their hands and stiff, waxy, thickened and yellowed skin. This is thought to be due to the reaction of glucose with proteins in the skin and increased glycation end ... Experience. Mayo Clinic's dermatologists are recognized nationally and internationally for their expertise in diagnosing and treating conditions of the skin, mucous membranes, hair and nails, and for their broad range of clinical, educational and research achievements. Our dermatology and dermatopathology specialists have expertise in genetics ... DermNet Cases. 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.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 affect both ...Perioral/ periorificial dermatitis. Usually adult females using face cream, often topical corticosteroid. Often, asymmetrical first in perioral sites, later in perinasal and periocular sites. Spares a centimetre of skin around vermilion of lips. Grouped erythematous papules and pustules on erythematous patches, flaky surface.The common blue naevus is a solitary, bluish, smooth surfaced macule, papule or plaque. They are generally round or oval in shape. The common blue naevus is usually 0.5–1 cm in diameter. The cellular blue naevus is more nodular and is at least 1 cm in diameter. The colour of blue naevi can also vary, usually being composed of blue to grey ...DermNet for healthcare professionals. The same great content you have always known, now with pro features. Join the waitlist. Quickly send patient info sheets. Print, email, or SMS … Acne and other follicular disorders. Blistering skin conditions. Deep skin disorders. Differential diagnosis of itchy skin. Disorders of sweating and sweat. Eczema, dermatitis and allergies. Erosions and ulcers. Immunological disorders. Lesions, tumours and cancers. DermIS.net is the largest dermatology information service available on the internet.It offers elaborate image atlases (DOIA and PeDOIA) complete with diagnoses and differential diagnoses, case reports and additional information on almost all skin diseasesAdditionally, DermIS offers: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.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 ...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: Basal cell ...Polymorphic light eruption (PMLE) is a seasonal, acquired, idiopathic photodermatosis occurring in spring and early summer. It is also known as polymorphous light eruption, sun allergy, sun poisoning, prurigo aestivalis, summer eruption/prurigo, or eczema solare. Juvenile spring eruption is a variant of PMLE.Narrowband ultraviolet B (UVB) (311–312 nm wavelengths) is also known as TL01 light therapy (after the type of fluorescent tubes used). Narrowband UVB is particularly effective in thin chronic plaque psoriasis and guttate psoriasis, especially in the winter months. It is generally felt to be safe and well-tolerated.A venous lake is usually easy to diagnose clinically by its appearance. The colour disappears on compression of the macule or papule due to the clearance of blood from the dilated venule. This is most easily seen using a glass slide or the lens of a contact dermatoscope. A venous lake has a structureless blue or purple appearance on …DermNet It has become a world renowned resource all about the skin. The website has more than 2,300 topic pages and 25,000 clinical and dermatopathology images. More than 100 new topics and 500 ...What is rosacea? Rosacea is a chronic inflammatory skin condition predominantly affecting the central face and most often starts between the age of 30–60 years.. Rosacea is common and is characterised by persistent facial redness. It typically has a relapsing and remitting course, with symptoms controlled by lifestyle measures, general skin care, medications, …The world's authority on skin information. DermNet NZ is the world’s free resource and authority on all things skin. We help thousands of people make informed, evidence …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).Hair changes with pregnancy. Many women notice their hair becomes thicker during pregnancy. In the third trimester, the proportion of hair follicles retained in the anagen (growing) phase increases.; Telogen effluvium post-delivery is a compensatory decease in hair growth and shedding of hair. Spontaneous recovery back to pre-pregnancy levels … 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: Basal cell ... 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.Dermatology resources for medical students. Welcome to DermNet’s medical student resource centre. This centre has been designed to help increase your confidence and …Henoch–Schönlein purpura (HSP) is a form of leukocytoclastic or small-vessel vasculitis, most often observed in children. It is sometimes called anaphylactoid purpura. HSP results from inflammation of the small blood vessels in the skin and various other tissues within the body. HSP generally affects children, but it may also occur in adult ... Keratosis pilaris is a very common, dry skin condition caused by keratin accumulation in the hair follicles. The Latin term keratosis means ‘ scaly skin’, and pilaris means ‘hair’. Keratosis pilaris usually starts in childhood but becomes more obvious during the teenage years and adulthood. It is harmless and is not infectious. Tinea infections. Tinea barbae (fungal infection of the beard) Tinea capitis (fungal infection of the scalp) Tinea corporis (fungal infection of the trunk and limbs) Tinea cruris (fungal infection of the groin) Tinea faciei (fungal infection of the face) Tinea incognito (steroid-treated fungal infection) Tinea manuum (fungal infection of the hand) Boils present as one or more tender red spots, lumps or pustules. Careful inspection reveals that the boil is centred on a hair follicle. A boil is a deep form of bacterial folliculitis; superficial folliculitis is sometimes present at the same time. Staphylococcus aureus can be cultured from the skin lesions. Dermatology: 2-Volume Set. Edited by Jean L. Bolognia et al. 4th Edition. This is a popular text, encompassing comprehensive, authoritative coverage of basic science, clinical …Subacute cutaneous lupus erythematosus. Subacute cutaneous lupus erythematosus is less commonly associated with SLE with approximately 50% having a mild form of SLE. It is thought 20–40% have drug-induced SCLE. It comprises 10–15% of cutaneous LE presentations. The skin changes are more persistent than those of ACLE. Pustules are smaller than 5–10 mm, and filled with pus, that is, purulent material composed of inflammatory cells ( neutrophils ). Pus can indicate bacterial, fungal or viral infection. Some pustules are sterile and are due to inflammatory skin disease. This topic provides a differential diagnosis of pustular skin conditions. 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: DermNet is a worldwide clinical resource website about dermatology and skin conditions. Its co-founder and former editor-in-chief is dermatologist and Adjunct Associate Professor Amanda Oakley . [2] The website was launched in 1996 under the umbrella of the New Zealand Dermatological Society , and as of 2017, around 2 million people access the ... Image catalogue. The catalogue lists directories of some of the images available for licensed use by external agencies. If you don't find what you're looking for, try searching by disease or condition using DermNet's Google Custom Search, and select the "Image" tab. Refer to the DermNet Image policy for licensing requirements.A skin tag is a common soft harmless lesion that appears to hang off the skin. It is also described as: Skin tags develop in both men and women as they grow older. They are skin coloured or darker and range in size from 1mm to 5cm. They are most often found in the skin folds (neck, armpits, groin). They tend to be more numerous in obese persons ...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 affect both ...A topical steroid is an anti- inflammatory preparation used to control eczema / dermatitis and many other skin conditions. Topical steroids are available in creams, ointments, solutions and other vehicles. Topical steroids are also called topical corticosteroids, glucocorticosteroids, and cortisone.Infantile haemangiomas are typically solitary and most are located on the head and neck region (60%). Involvement of internal organs is usually indicated by multiple cutaneous lesions. The clinical features are determined by the depth of the lesion, distribution pattern, and phase of growth.Psoriasis is a multifactorial systemic disease including inflammation and epidermal hyperproliferation. Nail psoriasis can involve the nail bed, nail matrix, hyponychium, and nail folds. Theories include: Activation of the antimicrobial peptide LL-37 by Candida and the cytokine overflow theory. Increased expression of interleukin (IL)-10 in the ... Urticaria is characterised by very itchy weals (hives), with or without surrounding erythematous flares. The name urticaria is derived from the common European stinging nettle Urtica dioica . Urticaria can be acute or chronic, spontaneous or inducible. A weal (or wheal) is a superficial skin-coloured or pale skin swelling, usually surrounded by ... The Fitzpatrick skin type (or phototype) depends on the amount of melanin pigment in the skin. This is determined by constitutional colour (white, brown, or black skin) and the effect of exposure to ultraviolet radiation (tanning). Pale or white skin burns easily and tans slowly and poorly: it needs more protection against sun exposure. Uncommon skin disorders in children. Acropustulosis of infancy. Acute haemorrhagic oedema of infancy. Bullous pemphigoid in childhood. Chronic bullous dermatosis of childhood. Granuloma gluteale infantum. Ichthyosis. Infantile digital fibroma. Kawasaki disease. SKIN CARE. Originating in Italy, LA’DERM has not only inherited the essence of Europe’s skincare secrets, but also combined Europe’s unique sense of romantic and fashion style. It is designed specifically for young men and ladies who are enthusiastic, modern, independent, curious, and dare to try out new things. Its slogan “Body.Mycosis fungoides (MF) represents 50% of all primary cutaneous lymphomas and 60-70% of all cutaneous T-cell lymphomas (CTCL). However, it is an uncommon condition with an estimated incidence worldwide of 6.4 per million. Onset is usually in late adulthood ( median age 55–60 years) with a male predominance (2:1) in white patients.Moto craigslist, Jiva med spa, Family watchdogs, Nc fast pass, Susan heck, Tryon equestrian center, Ogden marathon, Jinco, Nail salons tupelo, David lawrence convention center pittsburgh, Retreet, Rare seeds, Samurai kitchen, Thompson speedway
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 .... Bowlero marietta
alden estates of barringtonSkin 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: Basal cell ...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.DermNet for healthcare professionals. The same great content you have always known, now with pro features. Join the waitlist. Quickly send patient info sheets. Print, email, or SMS …Created 2003. Links to pages about skin conditions that favour the feet. Acral lentiginous melanoma. Allergic contact dermatitis. Athlete's foot. Capillaritis. Chilblains and chilblain lupus erythematosus. Cracked heels. Diabetic foot ulcer.Polymorphic light eruption (PMLE) is a seasonal, acquired, idiopathic photodermatosis occurring in spring and early summer. It is also known as polymorphous light eruption, sun allergy, sun poisoning, prurigo aestivalis, summer eruption/prurigo, or eczema solare. Juvenile spring eruption is a variant of PMLE.We are currently Redesigning Dermnet Skin disease AtlasPruritus is the medical term for itch. Itch is an unpleasant sensation on the skin that provokes the desire to rub or scratch the area to obtain relief. Itch can cause discomfort and frustration; in severe cases it can lead to disturbed sleep, anxiety and depression. Constant scratching to obtain relief can damage the skin ( excoriation ...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 ... Browse over 20,000 clinical dermatology images from DermNet, a leading online resource for skin health information. You can use the watermarked images for free, or buy the non-watermarked ones for your own purposes. Acute febrile neutrophilic dermatosis is an uncommon skin condition characterised by fever and inflamed or blistered skin and mucosal lesions. Neutrophilic dermatoses are autoinflammatory conditions often associated with systemic disease. Acute febrile neutrophilic dermatosis also has the eponymous name, Sweet syndrome or …An epidermoid cyst is a benign cyst derived from the infundibulum or upper portion of a hair follicle, encapsulated in a thin layer of epidermis -like epithelium. Epidermoid cysts are typically filled with keratin and lipid -rich debris [1,2]. Synonyms for an epidermoid cyst include: Epidermal cyst. Epidermal inclusion cyst.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. 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. Pruritus is the medical term for itch. Itch is an unpleasant sensation on the skin that provokes the desire to rub or scratch the area to obtain relief. Itch can cause discomfort and frustration; in severe cases it can lead to disturbed sleep, anxiety and depression. Constant scratching to obtain relief can damage the skin ( excoriation ...Exfoliative keratolysis. Eyelid contact dermatitis. Fixed drug eruption. Granuloma gluteale infantum. Gravitational eczema. Hand care in healthcare workers. Hand dermatitis. Housewife's dermatitis. Incontinence-associated dermatitis.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 …The venom of spider bites is quite variable hence identification of the spider can be of value in determining the management of the condition. General measures that should occur after a spider bite include: Wash the area well with soap and water. Apply a cold flannel or ice pack wrapped in a cloth to the site. Venous eczema can form discrete patches or become confluent and circumferential. Features include: Itchy red, blistered and crusted plaques; or dry fissured and scaly plaques on one or both lower legs. Orange-brown macular pigmentation due to haemosiderin deposition. Atrophie blanche (white irregular scars surrounded by red spots) Molluscum contagiosum is caused by a poxvirus, the molluscum contagiosum virus. There are at least 4 viral subtypes. Sexual transmission in adults. Transmission of molluscum contagiosum appears to be more likely in wet conditions, such as when children bathe or swim together.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, …Dermatology Quiz Course - Advanced. Click here for the beginners course. Test your knowledge and improve your skills in dermatology. A free 10-week quiz course looking at …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’. Pruritus is the medical term for itch. Itch is an unpleasant sensation on the skin that provokes the desire to rub or scratch the area to obtain relief. Itch can cause discomfort and frustration; in severe cases it can lead to disturbed sleep, anxiety and depression. Constant scratching to obtain relief can damage the skin ( excoriation ... Pustules are smaller than 5–10 mm, and filled with pus, that is, purulent material composed of inflammatory cells ( neutrophils ). Pus can indicate bacterial, fungal or viral infection. Some pustules are sterile and are due to inflammatory skin disease. This topic provides a differential diagnosis of pustular skin conditions. Test you knowledge and improve your skills in dermatology. Join our FREE 10 week quiz from DermNet. Created by DermNet dermatologists specifically for healthcare professionals.A medium congenital melanocytic naevi is 1.5–19.9 cm. A large or giant congenital melanocytic naevus is ≥ 20 cm in diameter. A modification of the above criteria is used in some centres [2] in an effort to increase the accuracy of classification. Small congenital melanocytic naevi are < 1.5 cm in diameter.Erythrasma presents as well-defined pink or brown patches with fine scaling and superficial fissures. Mild itching may be present. The common sites for erythrasma are armpits, groin and between the toes. The intergluteal fold, submammary, and periumbilical skin may also be affected. Widespread infections are most often associated with diabetes ...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 … Anal intraepithelial neoplasia. Anal intraepithelial neoplasia (AIN) is a superficial squamous-cell carcinoma usually associated with human papillomavirus (HPV) 16 and 18, often seen in HIV /AIDS. The clinical features are non-specific, presenting as a bleeding, well-defined red, scaly erythematous rash-like plaque on the perianal skin. 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.Transient acantholytic dermatosis most often affects Caucasian men over 50 years of age with sundamaged skin ( mean age at diagnosis 61 years). It is less common in skin of colour, women, and younger adults. Risk factors include sun-exposure, sweating, fever, malignancy, and being hospitalised or bedridden. A Grover-like rash has been reported ... Browse over 20,000 clinical dermatology images from DermNet, a leading online resource for skin health information. You can use the watermarked images for free, or buy the non-watermarked ones for your own purposes. DermNet features a database of thousands of pages covering almost every known skin condition. You'll find these below along with pages on treatments, histopathology and …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.DermNet features a database of thousands of pages covering almost every known skin condition. You'll find these below along with pages on treatments, histopathology and …Central Centrifugal Cicatricial Alopecia (CCCA) is a form of scarring alopecia on the scalp that results in permanent hair loss. It is the most common form of scarring hair loss seen in black women. However, it may be seen in men and among persons of all races and hair colour (though rarely). Middle-aged women are most commonly affected.Xanthomas are usually a skin sign of disorders of lipid metabolism (dyslipidaemias) or occur in histiocytosis; the former is the focus of this page. Xanthomas typically affect adults, although children with familial …Most often, a rash affecting the lower legs is a type of dermatitis. The terms ‘dermatitis’ and ‘ eczema ’ are often used interchangeably. Acute dermatitis presents as red, swollen and blistered plaques. Chronic dermatitis accompanied by rubbing and scratching results in darkened ( hyperpigmented ), and thickened ( lichenified) plaques.Dermatitis herpetiformis (DH) is an inflammatory immunobullous disease of the skin and a cutaneous manifestation 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.Vulval cysts are dome-shaped, firm or fluctuant, discretelesions which may be asymptomatic and noticed incidentally, or present due to pain or dyspareunia which may be cyclic, intermittent, or persistent. The location or distribution of the cysts can be characteristic for a particular type of cyst. See Vulval cyst images.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].Nummular dermatitis (or eczema) is also known as discoid eczema (or dermatitis). It has two forms: Exudative (‘wet’) nummular dermatitis. Dry nummular dermatitis. Exudative nummular dermatitis. The exudative variant starts acutely and may persist for weeks, months and rarely years. Although it may arise at any age, most subjects are over 50 ...Boils present as one or more tender red spots, lumps or pustules. Careful inspection reveals that the boil is centred on a hair follicle. A boil is a deep form of bacterial folliculitis; superficial folliculitis is sometimes present at the same time. Staphylococcus aureus can be cultured from the skin lesions.A topical steroid is an anti- inflammatory preparation used to control eczema / dermatitis and many other skin conditions. Topical steroids are available in creams, ointments, solutions and other vehicles. Topical steroids are also called topical corticosteroids, glucocorticosteroids, and cortisone.Anal intraepithelial neoplasia. Anal intraepithelial neoplasia (AIN) is a superficial squamous-cell carcinoma usually associated with human papillomavirus (HPV) 16 and 18, often seen in HIV /AIDS. The clinical features are non-specific, presenting as a bleeding, well-defined red, scaly erythematous rash-like plaque on the perianal skin.Nodular prurigo (NP) or prurigo nodularis is a chronic skin condition characterised by very itchy firm lumps. It can appear anywhere on the body but is most common on the arms, legs, back, and torso, in a symmetrical distribution. It is the most severe form of prurigo and thus can be difficult to treat.Multiple milia appear on within an inflamed plaque up to several centimetres in diameter. Usually found on an eyelid, behind the ear, on a cheek or jaw. Affect children and adults, especially middle-aged women. Sometimes associated with another skin disease including pseudoxanthoma elasticum , discoid lupus erythematosus , lichen planus.Narrowband ultraviolet B (UVB) (311–312 nm wavelengths) is also known as TL01 light therapy (after the type of fluorescent tubes used). Narrowband UVB is particularly effective in thin chronic plaque psoriasis and guttate psoriasis, especially in the winter months. It is generally felt to be safe and well-tolerated.Pustules are smaller than 5–10 mm, and filled with pus, that is, purulent material composed of inflammatory cells ( neutrophils ). Pus can indicate bacterial, fungal or viral infection. Some pustules are sterile and are due to inflammatory skin disease. This topic provides a differential diagnosis of pustular skin conditions.Dr Ken Ip. 22 April 2020. 1.7K views3 years ago. DermNet provides independent, high quality and up-to-date information on skin diseases and their management. DermNet It …A melanocytic naevus (American spelling ‘ nevus ’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells ( melanocytes ). It is sometimes called a naevocytic naevus or just 'naevus' (but note that there are other types of naevi ). A brown or black melanocytic naevus contains the pigment melanin, so may also ...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 ...Dermoscopy or dermatoscopy refers to the examination of the skin using skin surface microscopy, and is also called ‘epiluminoscopy’ and ‘epiluminescent microscopy’. Derm (at)oscopy is mainly used to evaluate pigmented skin lesions. In experienced hands it can make it easier to diagnose melanoma. Browse over 20,000 clinical dermatology images from DermNet, a leading online resource for skin health information. You can use the watermarked images for free, or buy the non-watermarked ones for your own purposes. Cutaneous vasculitis is a group of disorders in which there are inflamed blood vessels in the skin. These may include capillaries, venules, arterioles and lymphatics. Cutaneous vasculitis has several different causes. There are a wide variety of clinical presentations. It is associated with systemic vasculitis in a minority of patients.Lip licker’s dermatitis is a reaction of the lips ( eczematous cheilitis) and surrounding skin ( irritant contact dermatitis) due to contact with an irritating substance — in this case, saliva from the patient’s own tongue [1,2]. Other names for lip licker's dermatitis are lip-lick cheilitis, irritant contact cheilitis due to lip-licking ...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 ...Central Centrifugal Cicatricial Alopecia (CCCA) is a form of scarring alopecia on the scalp that results in permanent hair loss. It is the most common form of scarring hair loss seen in black women. However, it may be seen in men and among persons of all races and hair colour (though rarely). Middle-aged women are most commonly affected.. 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