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RACS ASC 2024

Bifid Palmaris Longus tendon - rare anatomical variant

Poster

Poster

Disciplines

Hand Surgery

Presentation Description

Institution: Northern Hospital - VIC, Australia

Palmaris Longus (PL) muscle is situated on the anterior surface of the forearm, running from the medial epicondyle of the humerus to the palmar aponeurosis. In a typical anatomical presentation, it appears as a long, thin tendon with a relatively narrow muscle belly. However, its occurrence is not uniform across individuals, and its absence is more prevalent than its presence. It has multiple variations described in various cadaveric studies including both adult and fetuses. The palmaris longus muscle, though often considered a vestigial structure, exhibits significant variation in its presence among individuals. This anatomical diversity carries clinical implications, particularly in surgical contexts where its tendon may be utilized for grafting purposes. Understanding the variations in the palmaris longus is crucial for clinicians, researchers, and anatomists alike, contributing to a comprehensive comprehension of the complexities inherent in the human musculoskeletal system. We describe the first non-cadaveric anatomical dissection case report of bifid PL tendon in a patient who sustained a laceration and required surgical exploration.

Speakers

Authors

Authors

Dr Tetyana Kelly - , Dr Nigel Mann -