Hemangiopericytoma of the navicular: a case report.

Hemangiopericytoma is a tumor of vascular origin usually found in the soft tissue. Manifestation in bone is extremely rare and are most commonly located in the pelvis and the lower extremity. This is the first case of hemangiopericytoma in the bone of the foot known to the authors. This article shows the presenting findings and the surgical treatment. At 13 months after the final surgery, there was no evidence of tumor recurrence.