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Concomitant Achilles Tendon Rupture and Posterior Tibial Tendon Dislocation: A Case Report
1Department of Orthopedic Surgery, University of Utah, Salt Lake City, Utah.
JBJS Case Connector
|September 11, 2025
Summary
This case report details a rare simultaneous Achilles tendon rupture and posterior tibial tendon (PTT) dislocation. Prompt diagnosis and surgical management led to an uncomplicated recovery and return to sports.
Area of Science:
- Orthopedic surgery
- Sports medicine
- Traumatology
Background:
- Simultaneous Achilles tendon rupture and posterior tibial tendon (PTT) dislocation is an exceptionally rare injury.
- Traumatic injuries, such as those sustained during skiing, can lead to complex tendon pathologies.
Purpose of the Study:
- To report a unique case of concomitant Achilles tendon rupture and PTT dislocation.
- To highlight the diagnostic and management considerations for this rare combination of injuries.
Main Methods:
- A 27-year-old male with a ski injury presented with ankle symptoms.
- Magnetic resonance imaging (MRI) confirmed Achilles tendon midsubstance rupture and PTT dislocation.
- Surgical intervention included Achilles tendon repair and PTT reduction with flexor retinaculum repair.
Main Results:
- The patient underwent successful surgical repair of both the Achilles tendon and the dislocated PTT.
- Recovery was uncomplicated, with no immediate postoperative complications.
- The patient returned to sports activities at 1 year postoperatively.
Conclusions:
- This case represents the second documented instance of simultaneous Achilles rupture and PTT dislocation.
- Recognizing this rare injury pattern is essential for accurate diagnosis and timely, appropriate management.
- Early surgical intervention is critical for optimal outcomes in such complex ankle injuries.
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