Osteochondrosis dissecans occurring in the knee and ankle of the same patient.

Osteochondrosis dissecans is a disease that is known to present in multiple joints. A literature search revealed no reports of this lesion appearing in the knee and ankle of the same patient. Such a clinical presentation is the basis for this report, which is intended to alert clinicians to include osteochondrosis dissecans in their differential diagnosis of knee and ankle pain. A short review of the literature and treatment alternatives is included.