Acne, oil acne. reflected light microscopy: follicular hyperkeratosis, partially with central vellus hair in the area of the lateral lower thorax in a 20-year-old car mechanic.
Kaposi's sarcoma endemic: Detailed view. reddish-brown, surface-smooth plaques and nodules. conspicuously a yellow-grey halo around the lesions (microbleeding).
Drug reaction, fixed: acute, solitary, red, sharply defined, moderately itchy plaque which has been present for 2 days. The peripheral areas are lighter in colour, blistering in the centre. 62-year-old patient. Irregular intake of headache medication.
Granuloma eosinophilicum faciei. 2.2 cm large, firm, painless, broadly basal red lump in an 18-year-old woman, existing for 6 months, with a smooth surface and well movable over its lower surface.
Eczema atopic (overview): severe atopic eczema existing for years, mainly flexural in the adolescence, generalized for 2 years now. massive steady itching, intensified after sweating. distinct, extensive scaling and crustal deposits. numerous scratch marks.
Squamous cell carcinoma of the skin: large-area desmoplastic carcinoma of the scalp, which extended far beyond the clinically suspected infiltrate zone.
Larva migrans: after a tropical beach holiday several weeks ago, at times clearly itchy, still increasing, linear, firm, livid red scaly plaques; in the left-sided, apparently older skin lesions, the ductal structures are no longer clearly visible; in this case flat scaly plaques.
Basal cell carcinoma, sclerodermiformes; huge, flat, sharply defined, sclerosing, focal ulcerated plaque or tumor with a verrucous surface, partly covered with crust; localization: Left nasal, paranasal and suborbital in a 60-year-old patient.
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