Contact dermatitis allergic: Acute, itchy, sharply defined, clearly infiltrated red plaque on the face and neck as well as multiple, partly confluent vesicles in the décolleté area in a 43-year-old female patient after application of a skin care cream.
Tinea corporis: unusually elongated, large-area tinea corporis, pretreated for several months with a potent corticosteroid steroid externum; distinct itching on interruption of steroid therapy (existing for 8 months).
Purpura eczematide-like purpura: non-symptomatic (no itching) "eczema-like" disease that has been recurrent for months in a completely healthy patient (no history of medication).
Folliculotropic Mycosis fungoides: generalized picture of the disease with smooth plaques that dissect at the edges, where the follicle-relatedness is clearly recognizable.
Basal cell carcinoma, sclerodermiformes; difficult to diagnose finding in a 58-year-old man: telangiectasia of the upper lip as well as an indicated, hardly visible, brighter spot without a marginal wall or increased telangiectasia below the left nostril.
Melanoma, malignant, nodular. on UV-damaged skin, reddish-brown nodule with smooth, parchment-like surface. at the base spread of an irregularly configured and pigmented plaque.
Erythema anulare centrifugum. 53-year-old patient with skin changes for several months. anular or garland-shaped, linear erythema enclosing a skin-coloured area. the erythema moves 0.3?0.5 cm per day, so that new formations are constantly forming.
dermatitis herpetiformis: chronic recurrent course of the disease. disseminated, burning, itchy, urticarial papules, papulo-vesicles and erosions. lesions are aggregated to larger plaques. p. detail images.
Drug exanthema, maculo-papular. multiple, acute, since 3 days generalized, disseminated, dense, blurred, isolated, 0.2-10.0 cm large, isolated and aggregated to homogeneous areas, itchy, red, smooth spots. appearing 4 days after taking antibiotics because of a flu-like infection.
Folliculitis decalvans: Alopecia like a footstep with fresh and older scars. Left picture: Inflammatory area with yellowish crusts. The process has been going on for several years, in attacks which last several months. Oral antibiotics improve the severity of the attacks.
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