1. 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.

Les pseudolymphomes cutanés, les érythèmes chroniques migrants, les acrodermatites chroniques atrophiques de Pick-Herxheimer, les méningo-radiculites ainsi que diverses arthropathies .