angiokeratoma of the glans penis. overview image: bluish-livid, hyperkeratotic papules in a linear arrangement at the glans penis near the sulcus coronarius in a 53-year-old, circumcised patient. sporadically there are also smaller, non-keratotic papules at the shaft of the penis. apart from intermittent itching there are no further symptoms. the angiokeratomas have already been lasered once.
Erythema anulare centrifugum: multiple, chronically active, centrifugally growing, ubiquitous, non-itching, red, marginal rough, scaly, firm, anular plaques; the edges of the plaques are palpable like a wet "wool thread".
rosacea. rosacea erythematosa, stage I of rosacea. large, chronically active, itchy, anaemic, red spots (rosacea erythematosa). months of pre-treatment with a corticosteroid externum. atrophy of the surface epithelium.
Dermatomyositis. Gottron papules in a 72-year-old woman. Smaller, striated, reddish-livid papules appear, which confluent in the region of the end phalanges to form flat plaques. Strongly pronounced nail fold capillaries on dig. III and V. The Keining sign was strongly positive in the clinical examination.
Epidermolysis bullosa simpex, Weber-Cockayne: Epidermolysis bullosa simpex, Weber-Cockayne: visible blistering or only simple detachment of the epidermis after trivial traumas. Scarless healing.
Coarse, reddish-brownishknot in the contact area of the violin at the transition from the lower jaw to the neck of a 30-year-old woman, interspersed with individual comedones.
Basal cell carcinoma nodular (detailed picture), characterized by the bizarre "tumor vessels" marked with arrows, which become visible with the incident light technique.
Light dermatosis, polymorphic, for many years recurrent, very itchy, red, 0.1-0.4 cm large, smooth papules and spots on the right forearm in a 50-year-old man, each occurring a few hours after exposure to the sun.
Mycobacterioses, atypical. swimming pool granulomas: In a period of 6-8 months development of painless, partly ulcerated and crusty red nodules along the lymphatic pathways on the hand and forearm.
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