Primary cutaneous diffuse large cell B-cell lymphoma leg type: For about 2 years papules and nodules on the left leg of a 55 years old woman appearing in relapses. In the last weeks rapid growth of the pre-existing nodules and eruptive appearance of new ones. Initially no symptoms. For 2 months increasing tendency to surface scaling and ulcer formation.
Nummular dermatitis: chronically active, for several months existing, approx. 6 cm large, raised, partly eroded, partly crusty plaques in a 45-year-old man. The surrounding skin is reddened.
Tinea capitis profunda: Inflammatory, moderately itchy, slightly painful, fluctuating nodule in the area of the capillitium in children with extensive loss of hair.
Lymphoma, cutaneous B-cell lymphoma, marginal zone lymphoma. Detailed picture: red, surface smooth papules and plaques in a 59-year-old patient. No scratch excoriations, no scaling, no pruritus.
tinea pedum. dyshidrosiform tinea pedum in a 48-year-old athlete, existing for about 12 months. multiple, itchy, cloudy blisters, healing under scaly crust formation, especially in the arch of the foot. the first interdigital space shows strong macerations, which are only partially visible here.
eczema atopic (overview): extensive reddening of the palm. hyperlinearity. disseminated erosions. lichenified eczema foci in the area of the wrist (DD psoriasis palmoplantaris). for further explanations see next figure.
Granuloma anulare erythematous type. little indurated, marginal reddish-brown plaque with indicated central atrophy. slow centrifugal growth lasting for months. Granulomatosis disciformis chronica et progressiva is to be considered as a differential diagnosis (entity).
Nummular Dermatitis: General view: For 3 years persistent, itchy, eroded, excoriated, partly encrusted, coin-shaped plaques on the left lower leg of a 64-year-old female patient.
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