open access

Vol 83, No 1 (2024): Folia Morphologica
Case report
Submitted: 2022-11-13
Accepted: 2022-12-29
Published online: 2023-02-16
Get Citation

Aberrant accessory abductor digiti minimi manus muscle: a rare anatomical variation

Ioannis Antonopoulos1, Georgios Tsikouris1, Dimosthenis Chrysikos1, Irene Asouhidou2, George Paraskevas2, Theodore Troupis1
·
Pubmed: 36811135
·
Folia Morphol 2024;83(1):221-225.
Affiliations
  1. Department of Anatomy, School of Medicine, National and Kapodistrian University of Athens, Greece
  2. Department of Anatomy, Medical School, Aristotle University of Thessaloniki, Greece

open access

Vol 83, No 1 (2024): Folia Morphologica
CASE REPORTS
Submitted: 2022-11-13
Accepted: 2022-12-29
Published online: 2023-02-16

Abstract

The hypothenar muscle with the greatest frequency of variations is the abductor digiti minimi manus. Except for morphological variations of this muscle, have also been reported cases of an extra wrist muscle, the accessory abductor digiti minimi manus muscle. This case report presents a rare case of an accessory abductor digiti minimi muscle characterized by an unusual origin from the tendons of the flexor digitorum superficialis. This anatomical variation was identified on a formalin — fixed male cadaver of Greek origin during routine dissection. This anatomical variation, which may result in Guyon’s canal syndrome or complicate common wrist and hand surgical procedures such as the carpal tunnel release, should be known to orthopaedic surgeons and hand surgeons in particular.

Abstract

The hypothenar muscle with the greatest frequency of variations is the abductor digiti minimi manus. Except for morphological variations of this muscle, have also been reported cases of an extra wrist muscle, the accessory abductor digiti minimi manus muscle. This case report presents a rare case of an accessory abductor digiti minimi muscle characterized by an unusual origin from the tendons of the flexor digitorum superficialis. This anatomical variation was identified on a formalin — fixed male cadaver of Greek origin during routine dissection. This anatomical variation, which may result in Guyon’s canal syndrome or complicate common wrist and hand surgical procedures such as the carpal tunnel release, should be known to orthopaedic surgeons and hand surgeons in particular.

Get Citation

Keywords

wrist muscles, hypothenar muscles variations, abductor digiti minimi

About this article
Title

Aberrant accessory abductor digiti minimi manus muscle: a rare anatomical variation

Journal

Folia Morphologica

Issue

Vol 83, No 1 (2024): Folia Morphologica

Article type

Case report

Pages

221-225

Published online

2023-02-16

Page views

448

Article views/downloads

404

DOI

10.5603/FM.a2023.0015

Pubmed

36811135

Bibliographic record

Folia Morphol 2024;83(1):221-225.

Keywords

wrist muscles
hypothenar muscles variations
abductor digiti minimi

Authors

Ioannis Antonopoulos
Georgios Tsikouris
Dimosthenis Chrysikos
Irene Asouhidou
George Paraskevas
Theodore Troupis

References (23)
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