Identify the well circumscribed osteolytic lesion in a 8-year-old child in the calcaneum with pigmented deposit, with pathologic age:
B. Hemophilic pseudotumor
C. Pigmented villonodular Synovitis
Ans: b. Hemophilic pseudotumor
- X-ray is useful in diagnosing intraosseous pseudotumors.
- Unilocular or multiloculated, lytic, expansile lesions of variable size appearance in X-ray.
- Pathological fractures can also be present.
- Metaphysis, diaphysis and epiphysis of long bones are involved in this case.