Presentation
Right hip pain on weight bearing.
Patient Data
Age: 65 years
Gender: Female
From the case:
Subchondral cyst (geode) of the femoral head
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Large cyst in the pressure zone of the femoral head. Signs of osteoarthritis.
From the case:
Subchondral cyst (geode) of the femoral head
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Depression of the subchondral lamina covering the cysts. More small subchondral cysts in the acetabulum.
Case Discussion
Subchondral cysts in the superior outer and middle third of the femoral head (pressure zone) may arise from bone contusion and synovial intrusion or osteoclastic resorption of necrotic trabeculae following avascular necrosis 1.
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