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Subchondral bone cysts of the phalanges.
1Department of Medicine, Pennsylvania College of Podiatric Medicine, Philadelphia 19107.
Journal of the American Podiatric Medical Association
|September 1, 1990
Summary
Subchondral phalangeal bone cysts are common findings on foot X-rays. These bone lesions are radiologically and histologically identical to those found in osteoarthritis of the hip and other foot joints.
Area of Science:
- Orthopedic Surgery
- Radiology
- Pathology
Background:
- Subchondral phalangeal bone cysts are frequently observed in foot X-rays.
- These lesions present as radiolucent areas with a sclerotic rim.
Purpose of the Study:
- To characterize the radiographic and histologic features of subchondral phalangeal bone cysts.
- To compare these cysts with similar lesions in other joints.
Main Methods:
- Review of foot X-rays showing subchondral phalangeal bone cysts.
- Radiologic examination of the lesions.
- Histologic examination of cyst samples.
Main Results:
- Subchondral phalangeal bone cysts exhibit a distinct radiolucent appearance with surrounding sclerosis.
- Radiologic and histologic findings are consistent across different locations.
Conclusions:
- Subchondral phalangeal bone cysts share identical characteristics with subchondral bone cysts associated with osteoarthritis of the hip.
- These cysts are also similar to those found in the hallucal sesamoids and the head of the first metatarsal.