Psoriasis arthropathica: Acralaccentuated psoriasis vulgaris (features of acrodermatitis continua supuativa) with severe nail dystrophy; distended, painful peripheral finger and middle joints as a sign of psoriatic arthritis.
Dyskeratosis follicularis. presentation of multiple, chronically stationary, intertriginously localized, submammary, disseminated, highly itchy, red papules. in these areas, a strong increase in skin changes, especially in summer with increased sweating.
Drug reaction, fixed: solitary or limited to a few lesions, usually round to oval, deep red, later blue to brown-red, after healing brownish, sharply defined, succulent, itchy or slightly painful erythema.
Erosio interdigitalis candidamycetica: extensive erosion after maceration of the interdigital interdigital skin, with typical whitish macerated, raised edges.
Multiple mastocytomas: disseminated, flat, brownish-reddish, itchy, smooth patches and plaques on the trunk and extremities of an 8-month-old boy; attention should be paid to the intact surface pattern of the field skin over the lesional skin.
Tinea manuum. flat, borderline, little scaling flock with single follicular papules in the area of the back of the hand and forearm, little itching, for several months.
Lymphoma, cutaneous NK/T-cell lymphoma Detail magnification: Extranasal NK/T-cell lymphoma: Disseminated, red, livid and brown-red, 0.5-3.5 cm large papules and nodes on the back.
Psoriasis palmaris: chronic inpatient plaque psoriasis of the hands with localized, in places striped, keratotic plaques that have been present for years.
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