Scleromyxoedema. 52-year-old male patient. Increasing, moderately itchy skin lesions for 5 years. Thigh with multiple, site scattered lichenoid papules.
Hand-Foot-Mouth Disease: since about 1 week, painful, blisters, pustules and papules on hands and feet, about 1-2 weeks before, unspecific flu-like prodrome.
Hemangioma targetoides hemosiderotic: asymptomatic, violet to brownish papules and nodules surrounded by a pale zone, which is externally enclosed by an ecchymotic ring (shooting target shape) Illustration from the collection of Dr. med. Michael Hambardzumyan.
Acne cystica, densely sown, yellowish-white, skin-coloured sebaceous retention cysts and numerous "ice-pick" scars in the cheek and chin area of a 34-year-old woman.
Porokeratosis Mibelli. gradually progressive finding with solitary, 0.1-0.2 cm large, symptom-free, yellow-brown horny papules (primary lesion), which have been present for years. As shown here, they show surface and thickness growth. On the back of the foot the papules have (coincidentally) merged into a coarse plaque with a spiny surface.
Porokeratosis superficialis disseminata actinica: disseminated, brownish-yellowish, sharply defined, hyperkeratotic nodules/plaques localized on the extensor sides; clear actinic damage to the skin with multiple lentigines.
Milia. reflected light microscopy: milia in the cheek area. whitish, pearly round foci (marked with arrows), surrounded by a light red border and numerous vellus hair follicles.
Ulerythema ophryogenes. extensive erythema with (scarred) raeration of the eyebrows. between the still persistent eyebrows are dense, fine, hairless follicular papules.
rosacea fulminans: acute flare with numerous, painful, sometimes confluent pustules. no general symptoms. no long-term pretreatment with external glucocorticoids.
Dermal melanocytic nevus: known since earliest childhood. Only in recent years clear exophytic growth. The birthmark has become increasingly discoloured and the growing bristle hairs are depilated regularly.
Light dermatosis, polymorphic. detail enlargement: multiple, itchy, highly red papules, partly confluent to plaques, partly exudative vesiculously, partly cocardially in the neck in a 46-year-old man.
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