Verrucae vulgar. solitary and confluent to a bed, hemispherical, coarse, grayish yellowish papules with a fissured, verrucous surface in the area of the nostrils and on the lower lip in a 10-year-old. The underlying disease is an atopic eczema.
Kaposi's sarcoma. 37-year-old man infected with HIV has some circumscribed, symptomless, red plaques in the area of the nose. development within one month. conspicuous follicular accentuation in the lesions. smooth skin surface, no scaling. similar skin changes still exist on palmae and plantae as well as on the glans penis. development within one month.
Nodular or nodular basal cell carcinoma. Relatively inconspicuous, non-symptomatic, red nodule with a smooth surface (see reflected light image as inlet). The bizarre (tumor) vessels of the basal cell carcinoma become visible in reflected light.
Nodular or nodular basal cell carcinoma: Relatively inconspicuous, non-symptomatic, red nodule with a smooth surface (see incident light image as inlet); the bizarre (tumor) vessels of the basal cell carcinoma become visible in incident light.
Wegener's granulomatosis, localized stage: Laved localized early form, initial clinically unexplained flat ulcerations with crusty deposits at the tip of the nose.
Basal cell carcinoma nodular (detailed picture), characterized by the bizarre "tumor vessels" marked with arrows, which become visible with the incident light technique.
keratoakanthoma classic type: 6-year-old patient. development of this 1.1 cm in diameter large nodule in 6 weeks. somewhat stalked painless solid nodule. the central horn plug has formed only in the last 3 weeks.
Comedo: multiple, chronically stationary, 0.5-1 mm large, firm, asymptomatic, grey, rough follicular papules with enlarged follicles, localized in the nasolabial fold; sebaceous content can be expressed on pressure.
Basal cell carcinoma ulcerated: Slowly growing, painless lump on the bridge of the nose that has existed for a long time. 3 months of crust formation and weeping. 1 week after the crusts have come off, this finding.
Adenoma sebaceum: diffuse distribution of skin-coloured, shiny papules and plaques. conspicuously bizarre telangiectasias, partly present in the papules and in the surrounding area. no folliculitis, no comedones.
Leishmaniasis, cutaneous: approx. 1.2 x 1.4 cm large, blurred, fine-lamellar scaling, flatly elevated, symptomless, slightly consistency-multiplied red plaque; the family last visited Morocco 12 weeks ago.
keratoakanthoma, classic type. short term, grown within 4 weeks, approx. 1.5 cm in diameter, hard, reddish, centrally dented, strongly keratinized lump. no symptoms. diagnosed as "pimples".
Dermal melanocytic nevus: melanocyticnevus known since earliest childhood, initially dark brown, slightly raised, skin-coloured in the past decades. completely unchanged for several years. 0.9 x 0.9 cm diameter, moderately firm, sharply defined, calotte-shaped skin-coloured papules. 78-year-old patient.
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