Acanthosis nigricans maligna: Generalized infestation with hyperkeratotic, partially excoriated papules on symmetrically formed yellow-brown hyperpigmentations in a 75-year-old female patient with ovarian cancer.
Generalized cGVHD: generalized, lichenoid, only moderately itchy, exanthema with hyperpigmentation, occurring about 2 years after stem cell transplantation.
Erythema gyratum repens: Detail of the rim area of the ring structure. clearly palpable (like a wet wool thread) rim area with raised, inwardly directed ruffle. striking "multizonality" with a second only discretely visible inner ring formation.
Papillomatosis confluens et reticularis. years ago, initially dark discolouration in the neck area of a 31-year-old patient, followed by systemic antimycotic therapy without improvement. current presentation in case of worsening of the findings with axillary spread.findings: multiple, chronically stationary, perimamillary papules located on the left side, disseminated, blurred, brown, rough, finely lamellar scaling papules, which aggregate to a flat plaque. the stripy reticular pattern of the plaque is clearly visible.
Acanthosis nigricans benigna: Mostly symmetrical blackish-brown hyperpigmentations with velvety, partly also verrucous plaques. Blurred demarcation to the surroundings. No detectable underlying disease.
Leiomyoma: multiple, chronically stationary, existing since earliest childhood, occurring only at one localization (ubiquitous occurrence only rarely), in this case striped, occasionally (pressure-)painful, brown-red, flat, firm, smooth papules.
Dyskeratosis follicularis. partly loosely disseminated, partly grouped standing, partly aggregated (sternal region), brown-red papules and plaques in a 52-year-old female patient who suffered from "eczematous" changes in the seborrhoeic zones since early childhood. distinct itching, increased body odour. a worsening of the disease over several weeks led to this skin condition, with evidence of Candida spp. and Staph. aureus in smears.
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