Dennie-Morgan infraorbital fold: Double eyelid crease on the lower lid as well as a rarefication of the lateral eyebrows (Hertoghe's sign: positive) in a 4-year-old boy with atopic eczema.
Acne papulo-pustulosa: severe (untreated) clinical picture with inflammatory papules, papulo-pustules and pustules in a 16-year-old patient. picture of acne vulgaris (type: acne papulo-pustulosa, grade IV). classic indication for systemic isotretinoin therapy!
Verrucae vulgares: solitary, flat and stalked papules and plaques, also aggregated to beds, with fissured, hyperkeratotic-verrucous surface; secondary findings include lipodystrophy in HIV infection.
Basal cell carcinoma, nodular, sharply defined, shiny, smooth tumor interspersed with bizarre "tumor vessels", which are particularly prominent in this nodular basal cell carcinoma and play an important role in the diagnosis.
Leishmaniasis, cutaneous: For about 1 year persistent, sharply defined oval plaque of brownish colour, each 7 mm in diameter, without epidermal changes on the right forehead and the right outer corner of the eye in a 54-year-old North African.
Basal cell carcinoma pigmented: A slow-growing, sharply defined, surface-smooth, sometimes shiny, brown lump with smaller crusts and scaly deposits that has existed for years.
Demodex folliculitis 20-year-old female patient without previous acne vulgaris, slight tendency to rosacea erythematosa. histological: massive infestation of the follicles with Demodex folliculorum.
Fibroma molle: a harmless, symptomless "tumour" which has been known for many years and has remained unchanged without any symptoms; the presence of a completely fibromatically transformed dermal melanocytic nevus cannot be excluded.
Granuloma eosinophilicum faciei: Very discreet, symptom-free, flat plaque that has existed at this site for 0.5 years. 42 years of otherwise healthy male.
Leprosy lepromatosa: advanced findings with numerous, almost symmetrically distributed, asymptomatic papules and nodules, no accompanying inflammatory reaction.
Detailed view: The diagnosis "pigmented basal cell carcinoma" is visible at the left margin, where the spatter-like hyperpigmentation is found (accumulation of melanin clods in the tumor parenchyma, caused by the "accompanying proliferation" of melanocytes). At the upper pole local tumor decay and ulceration.
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