Acrodermatitis chronica atrophicans: Symptoms existing for 1 year with an acral accentuated, inhomogeneous, blurred, edematous, red, rough swelling on the back of the right foot and extending to the lower leg in a 70 year old female patient.
psoriasis palmaris et plantaris. hyperkeratotic changes in a 50-year-old office worker, existing for 5-6 years. painful rhaghades persisting for weeks at the edge of the heel, especially after jogging. never blisters or pustules. the inflammatory fringe at the edge of the keratosis is typical (but not proving) for psoriasis. clinical diagnosis "psoriasis plantaris" from this (mono)finding difficult. securing the diagnosis by clinical evidence of psoriasis at the contralateral heel, elbows and palms.
Lichen planus exanthematicus: for several months persistent, itchy, generalized, dense rash with emphasis on the trunk and extremities (face not affected); as single florescence a 0.1-0.2 cm large, rounded, brown to reddish papule with a smooth but also woolly surface appears.
Erysipelas. edema of both lower legs and back of the foot with redness and overheating, here in connection with a tinea pedum. absence of fever and general symptoms; the ASL titre is elevated.
Purpura pigmentosa progressica (type: Purpura anularis teleangiectodes): brown-red anular, also cocard-like (ring-in-ring structure) by confluence also serpiginous foci. no significant itching. sporadically also largely faded only shadowy spots.
Erysipelas bullöses: acuteareal, sharply defined, painful reddening and plaque and areal blistering in the area of the lower leg. entry portal: macerated tinea pedum. fever, chills, lymphangitis and lymphadenitis also exist.
Pityriasis lichenoides et varioliformis acuta. 15-month-oldchild. 0.2-0.4 cm large, symmetrically arranged, only slightly itchy, red, surface-smooth and eroded papules and papulovesicles disseminated on the trunk and extremities for a few days.
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