Psoriasis vulgaris chronic active plaque type: long term pre-existing psoriasis, now relapsing activity (medication?) with disseminated, small psoriatic lesions as a sign of "relapsing activity".
Basal cell carcinoma, pigmented, black-brown stained, painless nodule with central erosion as well as marginal black-blue papules, which are arranged in a pearl necklace. Clearly actinic damaged skin.
Mycosis fungoides plaque stage: mycosis fungoides has been known for years. for several months continuous occurrence of plaques and nodules on face and upper extremity. findings in 2013
Lymphomatoid papulosis: pea- to bean-sized papules with central hemorrhagic-necrotizing transformation in the hollow of the knee in a 56-year-old woman.
melanoma, malignant, amelanotic. for years in the region of the right dorsal lower leg localized (61-year-old man), slowly progressing in size, symptomless plaque measuring 1.5 x 2 cm, with coarsely lamellated scaling. the coloration is mainly red, only focally dark brown. the lower part of the tumor is flat-nodularly raised.
Sclerema adiposum neonatorum: skin and subcutaneous tissue that has existed since birth and is increasingly leathery, waxy pale, cold, non-removable, impairing the mobility of the joints.
Acne, steroid acne. reflected light microscopy without contact medium (section: jaw angle region in a 30-year-old bodybuilder): multiple, hypertrophic sebaceous gland follicles with central, keratotic plugs within the ostia, hypertrichosis, transparent horny layer due to corticosteroid-induced hypokeratosis, parallel striated distortion of the skin field lines due to increased transepidermal water loss as well as an ectatic subepidermal vascular network without point capillaries (years of abusus of corticosteroids and anabolic steroids).
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