Acrokeratosis paraneoplastic: the thoracic view shows disseminated, yellowish-brownish keratotic plaques, which condense in the area of the Areolae mamillae as well as centrothoracally in the sternal region; in the sternal region aspect of the seborrhoeic eczema (but the inflammatory component is missing).
Syringome disseminated: detailed view; since several years existing, disseminated, completely asymptomatic, surface smooth, small brownish nodules, which are only perceived as cosmetically disturbing; distribution: face, capillitium, body trunk and scrotum
Lichen nitidus. chronic stationary, partly grouped, also linearly arranged (Koebner phenomenon), non-itching, non follicular, 0.1 cm large, white, smooth, round papules in a 32-year-old male.
Molluscum contagiosa: multiple, 0.2-0.3 cm large, yellow-reddish, firm, shiny, completely asymptomatic nodules with characteristic central umbilical cord; appearing after first school swimming.
hematoma. painful stain after blunt trauma a week ago. blurred, peripherally tapering stain with the different shades of hemoglobin breakdown. the center is pressure-dolent. a nodular hardening is palpable in depth.
Collagenosis, reactive perforating. detail enlargement: 0.5-1.5 cm large, indurated, livid papules and plaques on the upper back, partly with hyperkeratotic plug, partly confluent.
Xanthogranuloma juveniles (sensu strictu). soft elastic, yellowish, completely asymptomatic, hardly elevated plaques. no Darier's sign! 10-month-old female infant with multiple xanthogranulomas. size growth in the first months of life.
Lichen simplex chronicus: Solitary, chronically stationary, red, rough plaque, which is formed by the "confluence" of multiple red papules. In the marginal area, single papules are still visible.
Syringome disseminated: detailed view; since about 2 years, imperceptibly multiplying, disseminated, completely asymptomatic, surface smooth, small brownish nodules, which are only perceived as cosmetically disturbing. distribution: trunk and face.
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