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Acrodermatitis chronica atrophicans is a dermatological condition that takes a chronically progressive course and finally leads to a widespread atrophy of the skin. Involvement of the peripheral nervous system is frequently observed, predominantly a sensory polyneuropathy. Acrodermatitis chronica atrophicans follows a peculiar geographical distribution forming clusters of high prevalence in certain regions. Acrodermatitis chronica atrophicans is a clinical manifestation of borreliosis, an infectious disease transmitted by ticks. Clinical manifestations of borreliosis are multiple. They most often affect the skin, nervous system, joints and heart. Cutaneous pseudolymphomas, erythema chronicum migrans of Afzelius, acrodermatitis chronica atrophicans of Pick-Herxheimer, meningo-radiculitis and various arthropathies are the most commonly encountered diseases. (G.E.)
Acrodermatitis Chronica Atrophicans Herxheimer, Erythromelia