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Updated: Apr 20, 2026

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Author Spotlight: Exploring the Complexities of Achilles Tendon Injuries — Research and Future Directions
Published on: October 27, 2023
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An atraumatic case of extensive Achilles tendon ossification
Keir A Ross1, Niall A Smyth1, Charles P Hannon1
1Hospital for Special Surgery, East River Professional Building, 523 East 72nd Street, Suite 507, New York, NY 10021, USA.
Summary
Extensive Achilles tendon ossification, a rare condition, can occur without prior injury. Surgical removal of large ossific masses may necessitate tendon reconstruction techniques like V-Y lengthening and FHL transfer.
Area of Science:
- Orthopedic Surgery
- Musculoskeletal Pathologies
Background:
- Achilles tendon ossification is uncommon, typically presenting as small lesions.
- Predisposing factors often include surgery or trauma.
Observation:
- This report details an extensive Achilles tendon ossification and calcification case.
- The ossific mass measured 11.0cm×2.5cm×2.0cm, with additional 6.5cm calcifications.
- No prior surgery or trauma was identified in this patient.
Findings:
- Surgical removal of the large ossific mass was performed.
- Significant tendon defect required complex surgical reconstruction.
- V-Y lengthening and flexor hallucis longus (FHL) transfer were utilized.
Implications:
- Describes a rare case of Achilles ossification without predisposing factors.
- Highlights V-Y lengthening and FHL transfer as a viable reconstructive option for large tendon defects.
- Offers insights into managing extensive Achilles tendon ossification for functional recovery.

