Osteomyelitis of the Distal Phalanx of the Thumb due to and : A Case Report.

We herein report a case of osteomyelitis of the distal phalanx of the thumb of a 55-year-old man caused by and . Osteomyelitis often occurs in long bones and rarely occurs in the bones of the fingers. In addition, osteomyelitis of the finger frequently occurs after trauma or surgery, and blood-borne infection is very rare. and , normal flora of the oral cavity, are very rare pathogenic bacteria of osteomyelitis except in periodontal disease, and there are no previous reports regarding the occurrence of osteomyelitis due to and in the finger bones.