Infectious arthritis caused by Propionibacterium acnes: a report of two cases.

AUTOR(ES)
RESUMO

Propionibacterium acnes, a micro-organism with low pathogenicity, rarely causes arthritis in a joint without a prosthesis. This report deals with two cases of P acnes infectious arthritis probably caused by direct penetration of the micro-organism into the joint space during arthrocentesis, despite the use of strict disinfection procedures. P acnes isolated from synovial fluid cannot be dismissed as a bothersome contaminant without due consideration of the clinical status of the individual patient.

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