Atopic dermatitis:chronic, recurrent itchy red spots and slightly raised red plaques on the cheeks and forehead of an 8-month-old girl; multiple, disseminated, sometimes crusty scratch excoriations are also visible.
Psoriasis intertriginosa: circumscribed, sharply defined, red, rough plaque with erosion and maceration as well as formation of a rhagade in the area of the rima ani. considerable symptoms (itching, especially after prolonged sitting or sporting activity) and resistance to therapy.
Remark: In this case a systemic therapy with fumaric acid ester is recommended.
Systemic lupus erythematosus. symmetrical, scaly plaques existing for weeks; disturbance of general condition with medium-high fever, rheumatoid complaints. emphasis on light-exposed areas. 10-year-old girl.
Erythema chronicum migrans. 3-month-old findings are shown here. 10 days after tick bite on the right upper arm of a forester a roundish-oval, disc-shaped, sharply edged, centrally blistering, livid red erythema developed which slowly expanded centrifugally.
Erythema multiforme: 32-year-old patient with an acutely occurring, itchy, symmetrical exanthema that has been present for a few days. 0.2-0.7 cm tall, sharply defined, firm, red, smooth papules and plaques with an indicated cocardial aspect.
Atopiceczema in children/adolescents: 3-year-old toddler with previously known atopic eczema; for several weeks increasing severe eczematization with excruciating itching, elevated nummular (also borderline) crusty and weeping plaques; evidence of gram-positive coccus.
infant hemangioma. chronic dynamic, massive growth within the last 6 weeks, clearly increased in consistency, confluent red plaque and nodules. 6-month-old boy. no ocular functional impairment. beginning regression of the hemangioma recognizable by the grey veils over the different parts of the hemangioma (e.g. in the area of the lower plaque).
psoriasis palmaris et plantaris (plaquet type): palmo-plantar psoriasis known for years. no pre-treatment. extensive, sharply limited erythema. circumscribed partly stripy hyperkeratotic plaques. single deep rhagades.
Balanoposthitis plasmacellularis: Survey picture: For 2 years (!) persistent, burning and itching redness and erosions of the glans penis and prepuce in a 60-year-old patient.
Lymphoma, cutaneous NK/T-cell lymphoma. overview image: Extranasal NK/T-cell lymphoma: Non-specific image with indolent, red, livid and brown-red papules and nodes on the back of a 62-year-old patient.
Systemic lupus erythematosus: flat, localized, moderately sharply defined, symmetrical, moderately consistent, non-scaling red plaques; conspicuous protrusion of the follicles (see arrow and inlet)
Hidradenitis suppurativa. development of eminently chronic, abscessed fistula ducts with inverse pattern of infection, especially on the perineum, scrotum, scrotal root, perianal region, pubic region, inner and outer sides of the thigh. Axilla, upper arm and chest region were also affected. Characteristic is the development of hypertrophic scars and contractures.
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