We describe a 53-year-old alcoholic man who presented with hip septic
arthritis due to Bacteroides fragilis. This arthritis involved a sever
e destruction of the femoral head, which was completely devitalized. R
ecovery was achieved after 4 months of antimicrobial therapy with imip
enem/cilastatin plus metronidazole, surgical debridement of the necrot
ic tissues and four sessions of hyperbaric oxygen.