4925074
Description
Flashcards by emily.cottrell, updated more than 1 year ago
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Created by emily.cottrell
about 8 years ago
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| Question | Answer |
| ACANTHOSIS NIGRICANS Velvety rash of axillae and groin; indicates insulin resistance e.g. obesity, Cushing's, type 2 diabates, polycystic ovarian syndrome | |
| VITILIGO Chronic skin disorder characterised by areas of depigmentation and melanocyte loss | |
| CHRONIC PLAQUE PSORIASIS Chronic inflammatory multisystem disease with skin and extradermatological features. Skin rash is characteristically well demarcated red plaques with a silvery scale | |
| ECZEMA HERPETICUM Painful flare of eczema caused by herpes simplex virus, causes rash of uniform circular "punched out" lesions. Dermatological emergency, requires hospital admission | |
| SUPERFICIAL SPREADING MELANOMA Most common type of malignant melanoma, spreads horizontally before invading vertically. Depth of invasion is called Breslow score and this is best indicator of prognosis in melanoma | |
| ACNE VULGARIS Inflammatory papules and pustules pictured. The presence of signigicant inflammatory suggests this would be moderate or severe acne | |
| GUTTATE PSORIASIS Acute rash of droplet like scaly salmon pink patches, often occurring 2-3 weeks after a streptococcal sore throat. Usually self-resolving but may develop chronic plaque psoriasis | |
| NAIL PSORIASIS Associated with psoriasis and the majority of cases of psoriatic arthritis. Changes include pitting, ridging, onycholysis and subungal hyperkeratosis | |
| INFANTILE ATOPIC ECZEMA The cheeks is a typical distribution for atopic eczema for an infant. This picture shows infected eczema due to the yellow crust and wet, weepy appearance | |
| SQUAMOUS CELL CARCINOMA OF THE SKIN Cancer of the skin arising from keratinocytes. Metastasises in 5%, and prognosis is poor if metastases are present | |
| PUSTULAR PSORIASIS Type of psoriasis occuring mainly on palms and soles, with sterile yellow-brown pustules occurring on a background of dry red scaly rash. Generalised disease is a medical emergency | |
| ATOPIC ECZEMA Chronic itchy skin condition characterised by flexural dermatitis in adults. Here there is evidence of moderate to severe eczema as there are areas of lichenification (thickening of the skin) | |
| LUPUS PERNIO Most common form of cutaneous sarcoidosis, with purplish plaques over the nose, cheeks and ears. | |
| XANTHELASMA Accumulation of fats in macrophages, indicator of underlying hyperlipidaemia | |
| ERYTHRODERMA Inflammatory skin disease affecting all or nearly all of the body surface. Causes include psoriasis, drug reaction, eczema, lymphoma or leukaemia | |
| BASAL CELL CARCINOMA Also known as "rodent ulcer". Most common type of skin cancer. Presents with a nodule with a raised pearly edge, surface telangiectasia and central ulceration | |
| BULLOUS PEMPHIGOID Most common autoimmune blistering skin disorder. Due to autoimmune attack on type 17 collagen at the dermal-epidermal junction. Presents with large, tense bullae | |
| NECROBIOSIS LIPODICA Shiny, yellow waxy rash that appears on the shins of insulin dependent diabetics | |
| DERMATITIS HERPETIFORMIS Intensely itchy vesicular rash occurring on elbows and knees, associated with coeliac disease | |
| FLEXURAL PSORIASIS Psoriasis occurring in the flexures, often axillae and groin, plaques of well circumscribed erythema but scale is absent due to moisture in these locations | |
| ERYTHEMA NODOSUM Painful red-purple lumps form on the shins as a type of panniculitis (inflammation of subcutaneous fat). Associated with streptococcal throat infection, sarcoidosis, IBD, pregnancy and drugs | |
| NODULAR MELANOMA Most aggressive subtype of melanoma. Presents as a rapidly enlarging nodule, often pigmented, which ulcerates and bleeds. Rapid vertical invasion | |
| PEMPHIGUS VULGARIS Rare life-threatening autoimmune blistering disorder. Presents with flaccid, easily ruptured blisters of the mucosa and skin. Mortality 75% untreated. | |
| PYODERMA GANGRENOSUM Small nodule at a site of minor injury rapidly enlarges and ulcerates with a purplish border. Associated with IBD, rheumatoid arthritis, haematological cancers | |
| LENTIGO MALIGNA MELANOMA Lentigo maligna is a slowly growing patch of pigmented skin, occuring on the face of the elderly, it is melanoma in situ. Becomes invasive when there is thickening, colour change, itch, pain or bleeding | |
| ERYTHEMA MULTIFORME Hypersensitivity reaction presenting with erythematous rash of target lesions. Triggers include herpes simplex, mycoplasma pneumoniae and drugs |
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