Cold abscess of the bone, made on x-ray's that were obtained due to pain. Most often in the long bones.
Staph bacteremia, often occult.
Treat as osteomyelitis with six weeks of iv therapy.
The diagnosis is often a surprise, it will be thought to be a bone tumor.
ICD9 Codes (Soon to be supplanted by ICD10)
Brodie's abscess 730.1.