Kaposi's sarcoma epidemic (overview): HIV-associated Kaposi's sarcoma with disseminated, bizarrely configured, reddish-brown plaques, sometimes in a striped arrangement.
scleroderma circumscripts. large, circumcircularly bounded, red-violet, smooth plaque with centrally embedded yellow-white indurations. the surface here is parchment-like shiny. there is a feeling of tension. no pain.
Lichen simplex chronicus indark skin. several lesions with 0.1-0.2 cm large, marginally disseminated, firm brown-black papules confluent in the centre of the lesions. permanent itching.
Mycosis fungoides: Plaque stage. 53-year-old man with multiple, disseminated, 1.0-5.0 cm large, in places also large-area, moderately itchy, distinctly increased consistency, red rough plaques. development over 4 years. initial findings.
Contact dermatitis toxic: Detail enlargement: Strong hyperkeratosis on reddened skin as well as isolated small rhagades and erosions on the right foot of a 46-year-old patient.
erythroderma. severe, universal redness of the face as well as scaling in the face of a 77-year-old patient with cutaneous t-cell lymphoma. chronic stationary, universal (from head to toe), itchy and burning, clearly consistency increased, rough (scaly) skin redness. ectropion of both lower eyelids.
Keratosis areolae mammae naeviformis: Chronic stationary plaque in a 45-year-old man, unchanged for years, limited to the nipple and areola, moderately increased in consistency, without symptoms, brown, rough (warty) plaque.
Neurofibromatosis peripheral: Multiple dermal and large subcutaneous neurofibromas. Large café au lait spot (lower part of the picture). Multiple spatter-like pigment spots.
Comedo(reflected light microscopy): Blackhead comedo on the back; black horn plug surrounded by a blue-black wall (horn material translucent from depth).
Mucinosis follicularis: acute clinical picture developed after heavy sweating; multiple, generalised, 0.1 cm large, itchy, skin-coloured, pointed conical, rough papules bound to follicles.
Dermatitis herpetiformis. detailed view of several, chronically active, disseminated papules, red spots and vesicles localized at the integument and accompanied by severe pruritus. characteristic is the occurrence of different types of efflorescence. similar skin lesions are also found gluteal and on both thighs.
Granuloma anulare perforans, general view: Skin-coloured to reddish, rough, smooth, peripherally extending, centrally sinking, non-itching nodules on the back of a 40-year-old man.
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