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Multiple Calcaneus Secundarius Ossicles Presenting with Anterior Foot Pain: A Case Report Highlighting Characteristic
Ki Jin Jung1, Eui Dong Yeo2, Jeong Han Nam1
1Department of Orthopaedic Surgery, Soonchunhyang University Hospital Cheonan, 31, Suncheonhyang 6-gil, Dongam-gu, Cheonan 31151, Republic of Korea.
Journal of Clinical Medicine
|May 4, 2026
Summary
Multiple calcaneus secundarius (CS) ossicles can cause foot pain and diagnostic confusion. Surgical removal of symptomatic multiple CS ossicles provided immediate pain relief and a successful return to activity.
Area of Science:
- Orthopedics
- Radiology
- Sports Medicine
Background:
- Calcaneus secundarius (CS) is an accessory ossicle near the calcaneus, usually asymptomatic.
- Symptomatic CS can mimic fractures or tarsal coalition, causing diagnostic challenges.
- Multiple independent CS ossicles are a rare variant, increasing diagnostic ambiguity.

