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Flexor digitorum profundus tendon avulsion through a recurrent enchondroma--a case report
Summary
Flexor digitorum profundus (FDP) tendon avulsion typically occurs from hyperextension injuries. This case highlights a rare FDP avulsion through a recurrent enchondroma, previously unreported in medical literature.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Hand Surgery
Background:
- Flexor digitorum profundus (FDP) tendon avulsion from the distal phalanx is a common injury in athletes, often due to hyperextension of the distal interphalangeal (DIP) joint.
- Avulsion from pathological bone is infrequent, but has been associated with distal phalanx enchondromas.
Observation:
- This report details a unique case of FDP tendon avulsion.
- The avulsion occurred through a recurrent enchondroma of the distal phalanx.
Findings:
- The case presents the first reported instance of FDP tendon avulsion secondary to a recurrent enchondroma.
- This finding expands the known pathology associated with FDP tendon avulsions.
Implications:
- Highlights the importance of considering underlying bone pathology in FDP tendon avulsions, even when recurrent.
- Suggests that recurrent enchondromas may pose a risk for FDP tendon injuries.
- Informs surgical considerations and patient management for FDP avulsions in the presence of bone tumors.