Larva migrans. linear plaque, subepidermally located, tortuous itchy duct through Ancylostoma brasiliensis on the sole of the foot, existing since about 2 weeks.
Lichen planus atrophicans. atrophying lichen planus existing for 10 years, which manifested itself predominantly on the left foot. recurrent formation of blisters and ulcers. the chronic ulcer on the sole of the foot presented here turned out to be a squamous cell carcinoma.
acrodermatitis chronica atrophicans: 69-year-old woman. for 4 months right lower leg flat livid-red. at the beginning somewhat edematous. not overheated. subjectively symptomless except for slight hyperesthesia lateral foot edge on the right. no improvement by elevation. no tick bite recallable. in the laboratory confirmation of Lyme disease (high titer IgG, low titer IgM). no further manifestations except ACA.
Lichen planus exanthematicus: since 2 months persistent, itchy, generalized, dense rash with emphasis on the trunk and extremities (face not affected); on the lower legs apparently considerable itching (scratching effects); on the cheek mucosa pinhead-sized whitish papules are found.
Erythema infectiosum: generalized exanthema with larger and smaller, in its complete manifestation about 3.0 cm in diameter, less symptomatic, on the surface slightly roughened, anular erythema.
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