Sternocleidomastoid muscle additionally innervated by the facial nerve: case report and review of the literature

Anatomical Science International
Erika Cvetko

Abstract

An aberrant nerve branch from the facial nerve, additionally to the accessory nerve and cervical rami C2 and C3, was observed innervating the sternocleidomastoid (SCM) muscle in a 75-year-old male cadaver. We consider that the anomaly occurred as the result of a fusion of the muscular compartment from the digastric and SCM muscles during development. The aberrant innervation may be the source of the misinterpretation of electromyographic findings.

References

Aug 1, 1986·Journal of Neurology, Neurosurgery, and Psychiatry·R Hayward
Mar 1, 1993·Okajimas Folia Anatomica Japonica·M KoizumiM Nakano
Jan 1, 1996·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·R J StaceyP J Hamlyn
Jun 5, 2012·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·E CvetkoI Eržen

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Citations

Jul 5, 2018·Korean journal of anesthesiology·Jin-Soo KimSook Young Lee
Mar 17, 2020·Dento Maxillo Facial Radiology·Theodosios SaranteasChristos Perisanidis
Nov 26, 2014·Surgical and Radiologic Anatomy : SRA·So-Yeon KimSang Pil Yoon

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