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Case report: pseudotendon formation after a type III flexor digitorum profundus avulsion
Nick Pappas1, A Nicolas Gay, Nancy Major
1University of Pennsylvania School of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA 19103, USA. pappasnd@gmail.com
Clinical Orthopaedics and Related Research
|May 4, 2011
Summary
A flexor digitorum profundus tendon avulsion, typically requiring surgery, healed functionally without surgery. A pseudotendon formed, restoring near-full finger range of motion and function.
Area of Science:
- Orthopedic Surgery
- Hand Surgery
- Musculoskeletal Injuries
Background:
- Flexor digitorum profundus (FDP) tendon avulsion is a frequent hand injury.
- Surgical repair is the standard treatment for restoring finger function.
- Type III FDP avulsions involve the tendon retracting into the flexor sheath.
Observation:
- A patient with a Type III FDP tendon avulsion refused surgical intervention.
- The patient achieved nearly full active range of motion (ROM) and excellent functional recovery.
- Magnetic Resonance Imaging (MRI) 2.5 years post-injury revealed pseudotendon formation.
Findings:
- This case presents the first report of functional recovery following pseudotendon formation in an FDP tendon avulsion.
- The formed pseudotendon demonstrated sufficient tensile strength to restore significant finger function.
- Non-operative management led to a successful outcome in a case typically managed surgically.
Implications:
- Pseudotendon formation may offer a viable, non-operative treatment pathway for specific FDP tendon avulsions.
- This finding challenges the universal requirement for surgical repair in all FDP avulsions.
- Further research is warranted to explore the potential of pseudotendon formation in hand tendon injuries.
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