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Peroneus quartus and peroneal tendoscopy.

¹Department of Orthopaedic Surgery, University Malaya Medical Centre, 50603 Kuala Lumpur, Malaysia.

The Medical Journal of Malaysia

|July 3, 2007

Summary

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A rare supernumerary muscle, peroneus quartus, can cause peroneal subluxation and lateral ankle pain. Peroneal tendoscopy offers accurate diagnosis and is described in this case report.

Area of Science:

Orthopedics
Anatomy
Sports Medicine

Background:

Peroneal subluxation is a common cause of lateral ankle pain.
Supernumerary muscles can present with various clinical symptoms.
The peroneus quartus muscle is a rare anatomical variant.

Observation:

A case of peroneal subluxation attributed to the peroneus quartus muscle is presented.
The anatomical characteristics of the peroneus quartus muscle were detailed.
Clinical relevance of peroneus quartus in lateral ankle pain and swelling was discussed.

Findings:

Peroneus quartus can lead to peroneal subluxation.
Peroneal tendoscopy is an effective diagnostic tool for this condition.
The technical aspects of peroneal tendoscopy for diagnosing peroneus quartus were described.

Related Experiment Videos

Implications:

Accurate diagnosis of peroneal subluxation can be achieved through peroneal tendoscopy.
Understanding the anatomy of supernumerary muscles like peroneus quartus is crucial for clinicians.
This case report highlights a potential cause of persistent lateral ankle pain.