[Articular involvement in Swiss patients with a Borrelia burgdorferi infection--report of 8 cases].

Eight cases of Lyme's arthritis are reported. In four of them, they are related to an erythema chronicum migrans, in two to an acrodermatitis atrophicans. In two cases, there was no cutaneous manifestation, but the serology was strongly positive for Borrelia burgdorferi, and there was rapid relief of the pain with antibiotic therapy. It is suggested that Lyme's arthritis is not rare in Switzerland and that it must be searched for in every case of arthritis of unknown etiology, especially when there is a history of cutaneous involvement. The arthritis is cured by antibiotics.