Mastocytomas cutaneous: reddish-brown plaques that appear in the first months of life and cause symptoms such as swelling and central blistering only after rubbing. These symptoms also occur after warm bathing.
Lichen sclerosus extragenitaler (and genital): small and large, partly sharply and partly blurredly bordered spots and plaques with parchment-like surface
Nummular Dermatitis: Multiple, reddened, confluent, roundish or bizarrely configured plaques with weeping yellowish crusts on the back of a 76-year-old female patient.
Airborne Contact Dermatitis: chronic (>6 weeks) extensive, enormously itchy and burning eczema with uniform infestation of the entire exposed facial area including the eyelids.
Balanitis erosiva circinata. sharply defined, bright red, shiny, flat, arched erosion of the glans penis and the inner preputial leaf. findings in a 34-year-old neglected patient.
basal cell carcinoma (overview): basal cell carcinoma pigmented. superficial (superficial), multi-segmental, symptomless, partly smooth, partly scaly plaque. arrows mark the pigmented nodular structure in the marginal area. encircles the prominent marginal structure in the "depigmented" part of the tumor. differential diagnosis excludes a malignant melanoma of the SSM type.
Eczema, photoallergic. seti 6 weeks of unpleasantly itchy and exciting skin lesions. these occurred in the previously always skin-healthy 57-year-old patient (office work) for the first time 6 weeks after a new intake of a hydrochlorothioacid-containing medication, after a Sunday walk. findings: blurredly bordered (scattering phenomena), heliotropic eczema pattern with flat, enormously itchy and exciting, scaly red plaques and papules running out at the edges.
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