Osteochondritis dissecans of the femoral head
Left hip pain on weight bearing. Personal history uneventful.
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Demarcation of subchondral osseous fragments in the left femoral head. The sharply delineated T2 hyperintense signal lines between and around the fragments indicate an unstable lesion. There is also some effusion in the left hip joint.
2 case question available
OD of the femoral head is rare, even in children and adolescents. In a larger series of 17 cases, the main underlying causes were deformities following Legg-Calvé-Perthes disease, posttraumatic, and idiopathic 1. The latter also applies to this case.
- 1. Wood JB, Klassen RA, Peterson HA. Osteochondritis dissecans of the femoral head in children and adolescents: a report of 17 cases. J Pediatr Orthop. 15 (3): 313-6. - Pubmed citation