Squamous cell carcinoma in actinically damaged skin.:since > 1year, slowly growing, very firm, little pain-sensitive lump, which (at the time of examination) was no longer movable on its support. Bleeding repeatedly.
Keratoakanthoma, classic type: short term, grown within a few weeks, about 1.8 cm in diameter, hard, reddish, central keratotic nodule with bizarre telangiectasias on the surface, in a 71-year-old female patient.
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).
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.
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.
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.
Merkel cell carcinoma: Solitary, fast growing, asymptomatic, red, firm, shifting, smooth lump with atrophic surface; the appearance in the area of UV-exposed areas is characteristic.
Keratoakanthoma, classic type: hard, reddish, central keratotic lump, measuring about 2.0 cm in diameter, grown within a few weeks DD: squamous cell carcinoma.
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.
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