Hidrocystoma: Survey image: Since about 2 years gradually developing, disseminated, colorless and black-blue, painless nodules of 0.1-0.3 cm size at the bridge of the nose of a 14-year-old patient.
Hidrocystoma. detail enlargement: multiple, chronically stationary (no noticeable growth), black-blue, 0.1-0.3 cm measuring elevation; small white comedones are also visible.
Adenoma sebaceum: in the 65-year-old female patient, skin-coloured to reddish-brownish, densely packed papules and plaques with centrofacial accentuation have existed since childhood; the misleading term "Adenoma sebaceum" refers to the characteristic centrofacially localised angiofibromas occurring in the context of tuberous sclerosis complex (Pringle-Bourneville phacomatosis).
Amyloidosis cutis nodularis atrophicans: Solitary, soft, brownish-yellowish nodule on the nostril (histologically confirmed as amyloidosis cutis) in a 27-year-old man without clinically detectable systemic amyloidosis.
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.
Basal cell carcinoma, nodular. solitary, 1.0 x 1.2 cm large, broad-based, firm, painless nodule, with a shiny, smooth parchment-like surface covered by ectatic, bizarre vessels. Note: There is no follicular structure on the surface of the nodule (compare surrounding skin of the bridge of the nose with the protruding follicles).
Basal cell carcinoma, pigmented. 75-year-old patient has a chronically stationary, slightly increasing, approx. 1 x 0.8 cm, brownish-black, centrally ulcerated plaque in the region of the bridge of the nose.
Basal cell carcinoma, sclerodermiformes. 1 cm diameter of irritation-free, almost skin-coloured plaque with irregular surface in a 58-year-old patient. There are single, fine telangiectases on the bridge of the nose.
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.
Basal cell carcinoma, sclerodermiformes. 82-year-old female patient has a red, scaly, centrally ulcerated plaque measuring approximately 1 x 1 cm in the area of the tip of the nose with telangiectasia at the edges.
Birt-Hogg-Dubé syndrome: Multiple, skin-coloured, flesh-coloured and whitish, partly waxy, relatively coarse, 2?5 mm large, hemispherical asymptomatic papules in the nose and cheek area of a 47-year-old female patient.
Hemangioma of the infant. 8-month-old infant has a slowly growing, livid-red, soft, smooth nodule in the region of the bridge of the nose. Phase proliferation, growth arrest and regression.
Keratoakanthoma, classic type, short term, hard, reddish, hard, reddish, centrally dented, strongly keratinized lump with isolated telangiectasias on the surface, grown within 4 weeks, measuring about 1.5 cm, in a 51-year-old female patient.
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.
Melanoma, malignant, lentigo-maligna melanoma, bizarrely configured brown-black spot on UV-damaged skin on the nose, centrally low infiltration, development since about 8 years.
Naevus araneus: in the 43-year-old man there are isolated red spots, 0.1-0.2 cm in size, and red, smooth papules with a central arterial nodule and radiating capillary ectasia.
Nasal papule, fibrous n odule, about 3 years ago, about 4 mm in diameter, with a smooth surface and single telangiectasias, paranasal right in a 64-year-old patient.
Psoriasis vulgaris. abbortive form with infestation of the nostrils on both sides. The clinical picture is clinically relevant in that rhagades and pain occur. Local therapy is laborious.
Psoriasis vulgaris: Erythematous, scaly plaque on the tip of the nose of a 34-year-old woman, which appeared for the first time about 1.5 years ago and measured about 1.5 cm.
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