Porokeratosis linearis unilateralis; first occurred 5 months ago; since then persistent, non-pruritic, brownish, sharply defined, circinous or garland-shaped, pityriasiform scaling papules and plaques on the trunk and right shoulder in a 60-year-old man.
Basal cell carcinoma, superficial, atrophic, orthokeratotic epidermis; in the center bud-like tumor bundle of dense basaloid epithelial cells protruding into the papillary body; palisade position and distinct cleavage are recognizable; dense diffuse lymphocytic infiltrate; on the right side an incised hair follicle.
ILVEN: Since early childhood conspicuous, elongated to triangular configured papulokeratotic inflammatory skin change on the right cheek of a 14-year-old female patient.
atopic dermatitis: eminently chronic dermatitis, with blurred, itchy, red, rough, flat plaques. known (only slightly pronounced) rhinoconjunctivitis allergica. IgE normal. no atopic FA. DD: a seborrhoid form of psoriasis can be excluded . R morphologically, a tinea corporis should be considered.
drug exanthema, maculo-papular. multiple, acute, since 4 days existing, generalized, symmetrical, initially isolated, 0.1-0.2 cm large, later on large, about 30 cm large, homogeneous, marginally bizarrely dissected, smooth, red spots. no fever, no lymphadenopathy. occurs 6 days after taking non-steroidal anti-inflammatory drugs due to a sports injury.
granuloma anulare, classic type: 41-year-old female patient. the shown anular skin change developed from a small papule up to this size. currently a solitary, 5 x 3.5 cm large, brown-red plaque is visible, which is clearly elevated at the edges and flattened in the center. the surface is atrophic and of parchment-like texture. the normal line pattern of the skin is missing. there is fine-lamellar scaling.
Psoriasis capitis: chronically inpatient, intermittently worsening red spot on the forehead, localized on the forehead, extending into the hairy area, sharply defined, large red spot on the forehead. more severe scaling in the area of the capillitium. currently pre-treated with a triamcinolone acetonide ointment. more red plaques on the elbows.
Acrolentiginous malignant melanoma: A brown, slowly increasing spot that has existed for years. It is said that this broad-based, ulcerated, repeatedly bleeding node has been formed for a few months. Arrows mark the non-node acrolentiginous part of the tumor. A weak pigmentation zone is encircled, which histologically also turned out to be melanoma infiltration.
Lupus erythematosus systemic: persistent, blurred, red, butterfly-like distributed spots in the right cheek area of a 27-year-old female patient with SLE known for years.
Netherton syndrome: clinical picture already manifested in childhood with the formation of large, also circulatory, garland-like, brown-red or red surface-rough, scaly plaques; numerous type I sensitizations.
ILVEN: Clinical findings in a 17-year-old adolescent with erythematosquamous and papulokeratotic, locally verruciform skin lesions on the left side latero-thoracic and on the back.
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