Possible implications of an accessory abductor digiti minimi muscle: a case report

doi:10.1186/1749-7221-2-22

Journal of Brachial Plexus and Peripheral Nerve Injury

Volume 2

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Case report

Possible implications of an accessory abductor digiti minimi muscle: a case report

Luis Ernesto Ballesteros¹ and Luis Miguel Ramirez²

¹Basic Science Department, Medicine Faculty, Universidad Industrial de Santander, Bucaramanga, Colombia

²Department of Basic Science, Medicine Faculty, Universidad Industrial de Santander, Bucaramanga, Colombia

author email corresponding author email

Journal of Brachial Plexus and Peripheral Nerve Injury 2007, 2:22doi:10.1186/1749-7221-2-22


Published:	3 December 2007

Abstract

Background

Accessory ADM was first reported in 1868 although muscular, vascular and nervous variations of the hypothenar eminence are rare, contrary to anomalous muscles in the wrist which are relatively common.

Case presentation

This case report presents a bilateral variation of an accessory abductor digiti minimi muscle in a male specimen. Ulnar artery and ulnar nerves were taken into account regarding their position and trajectory related to this variation.

Conclusion

Muscle size may be an important factor in considering whether a variation is able to produce neurovascular compression and clinical implications.