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Modified Das De Procedure in Peroneus Longus Tendon Dislocation: Technical Note
I Wayan Subawa1, Febyan Febyan2
1Consultant of Foot and Ankle Division, Department of Orthopaedic and Traumatology, Faculty of Medicine Udayana University, Prof. Ngoerah General Hospital Bali Indonesia.
Arthroscopy Techniques
|August 14, 2026
Summary
This study presents a modified Das De procedure for treating recurrent peroneal tendon dislocation, a common ankle injury often mistaken for a sprain. The technique effectively stabilizes the peroneal tendons by repairing the superior peroneal retinaculum, offering a safe and reproducible surgical option.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Anatomy
Background:
- Peroneal tendon dislocation is an uncommon ankle injury.
- It is often misdiagnosed as a lateral ankle sprain, leading to delayed treatment and chronic instability.
- Current surgical treatments lack a universally accepted gold standard.
Purpose of the Study:
- To describe a modified Das De procedure for treating recurrent peroneus longus tendon dislocation (Eckert and Oden type A).
- To present a safe, reproducible, and effective surgical alternative for symptomatic peroneal tendon dislocation.
Main Methods:
- A modified Das De procedure focusing on retinaculum repair and fortification.
- Preoperative imaging may show tenosynovitis; intraoperative findings confirm retinaculum insufficiency.
- Minimally invasive technique preserving anatomical integrity.
Main Results:
- Intraoperative observation confirmed superior peroneal retinaculum insufficiency in patients with intact tendons.
- Postoperative provocative testing demonstrated stable tendon positioning without redislocation.
- The modified procedure showed successful stabilization of the peroneal tendons.
Conclusions:
- The modified Das De procedure is a safe and effective treatment for recurrent peroneal tendon dislocation.
- This technique offers a reliable alternative by repairing the retinaculum and preserving anatomical structures.
- It is particularly suitable for young and active patients experiencing symptomatic instability.
