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Author Spotlight: Regenerative Roles of Muscle Proteins at Neuromuscular Junction Post-Nerve Injury

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Accessory Palmaris Longus: A Concise Anatomic Review With a Relevant Case Study.

Jing Yuan¹, Ian Dominic Dhanaraj, Hannah Jia Hui Ng

¹From the Department of Orthopaedic Surgery, Khoo Teck Puat Hospital, Singapore.

Annals of Plastic Surgery

|April 23, 2019

Summary

The rare accessory palmaris longus muscle, also known as palmaris profundus, presents unique anatomical variations. This review explores its origins, clinical significance, and surgical considerations during carpal tunnel procedures.

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Area of Science:

Anatomy
Embryology
Surgical Anatomy

Background:

The palmaris longus muscle exhibits numerous anatomical variations in medical literature.
A rare variation is the accessory palmaris longus, also termed palmaris profundus.

Observation:

This review details the anatomy and developmental origins of the palmaris longus.
It highlights the clinical relevance of the accessory palmaris longus variation.

Findings:

A specific case of accessory palmaris longus is presented.
The discussion addresses the intraoperative management of this anomaly during carpal tunnel surgery.

Implications:

Understanding accessory palmaris longus is crucial for accurate diagnosis and treatment.
This knowledge aids surgeons in deciding on resection during carpal tunnel release to prevent complications.