Dermatomyositis. 72 year old patient with dermatomyositis known for 1 year. striped red, scaly papules and plaques over the base of the fingers. deep red, painful and slightly scaly plaques on the end phalanges, also directly periungual. distinct hyperkeratotic nail folds.
Acrocyanosis: Diffuse, reddish-livid skin discolouration at reduced temperature and doughy swelling; delayed filling of the vessel after anaemia by finger pressure (iris diaphragm phenomenon).
Angiokeratoma circumscriptum. 20-year-old female patient with a lesion composed of several types of efflorescence. The skin lesions present have existed since birth. The blue-black parts have gradually developed over the past five years. In addition to two-dimensional red spots (upper part), red papules (lower part) and blue-black bumped plaques with a smooth, shiny surface are found. Soft, spongy consistency in the centre.
Hand eczema atopic: long-term atopic eczema with variable course; the skin on both backs of the hands has existed with varying intensity for 1.5 years.
Klippel-Trénaunay syndrome: extensive vascular malformation with extensive nevus flammeus affecting the trunk and both arms. no evidence of soft tissue hypertrophy so far. no AV fistulas. here detailed picture of the back of the right hand
Impetigo contagiosa: for months recurrently recurrent, therapy resistant, red encrusted plaques next to older scarring; considerably artificially superimposed impetigo contgiosa.
Epidermodysplasia verruciformis. 34-year-old female patient has had partly erythematous, partly brownish, hyperkeratotic papules in the area of the upper arms and hands since childhood; for some years now, there has been a two-dimensional confluence of the skin changes with complete spread to the palms of the hands. Currently, on both palms (also on the back of the hands and the sides of the fingers) there are partly individual, partly aggregated papules, which are aggregated on the palms to form a large, red, wart-like rough plaque.
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