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Case Report Open Access


A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck

Naveen Kumar, Jyothsna Patil, K. G. Mohandas Rao, Melanie Rose D’Souza, B. Satheesha Nayak, P. Ashwini Aithal.

Abstract
The origin of the lesser occipital nerve (LON) may vary, but variations in its pattern are rare. We report here a case of LON, bifurcated into superior and inferior roots in the posterior triangle of the neck. Bifurcation of the LON formed about 1.5 cm above the nerve point of the neck, near the posterior border of the sternocleidomastoid muscle. Both roots ascended obliquely upwards, and later united to form a single trunk in the upper part of the posterior triangle of the neck. It then entered the scalp where its distribution was normal. Since the cutaneous nerves of the cervical plexus are anesthetized for pain relief, as with cervicogenic headache, exceptional morphological variations of these nerves should be taken into consideration before any anesthetic procedures are performed in this region.

Key words: Bifurcation, cervical plexus, lesser occipital nerve, neck, posterior triangle


 
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Pubmed Style

Kumar N, Patil J, Rao KGM, D'Souza MR, Nayak BS, Aithal PA. A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. Arch Clin Exp Surg. 2016; 5(3): 184-186. doi:10.5455/aces.20131212010814


Web Style

Kumar N, Patil J, Rao KGM, D'Souza MR, Nayak BS, Aithal PA. A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. http://www.ejmaces.com/?mno=45056 [Access: February 19, 2018]. doi:10.5455/aces.20131212010814


AMA (American Medical Association) Style

Kumar N, Patil J, Rao KGM, D'Souza MR, Nayak BS, Aithal PA. A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. Arch Clin Exp Surg. 2016; 5(3): 184-186. doi:10.5455/aces.20131212010814



Vancouver/ICMJE Style

Kumar N, Patil J, Rao KGM, D'Souza MR, Nayak BS, Aithal PA. A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. Arch Clin Exp Surg. (2016), [cited February 19, 2018]; 5(3): 184-186. doi:10.5455/aces.20131212010814



Harvard Style

Kumar, N., Patil, J., Rao, K. G. M., D'Souza, M. R., Nayak, B. S. & Aithal, P. A. (2016) A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. Arch Clin Exp Surg, 5 (3), 184-186. doi:10.5455/aces.20131212010814



Turabian Style

Kumar, Naveen, Jyothsna Patil, K. G. Mohandas Rao, Melanie Rose D'Souza, B. Satheesha Nayak, and P. Ashwini Aithal. 2016. A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. Archives of Clinical and Experimental Surgery (ACES), 5 (3), 184-186. doi:10.5455/aces.20131212010814



Chicago Style

Kumar, Naveen, Jyothsna Patil, K. G. Mohandas Rao, Melanie Rose D'Souza, B. Satheesha Nayak, and P. Ashwini Aithal. "A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck." Archives of Clinical and Experimental Surgery (ACES) 5 (2016), 184-186. doi:10.5455/aces.20131212010814



MLA (The Modern Language Association) Style

Kumar, Naveen, Jyothsna Patil, K. G. Mohandas Rao, Melanie Rose D'Souza, B. Satheesha Nayak, and P. Ashwini Aithal. "A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck." Archives of Clinical and Experimental Surgery (ACES) 5.3 (2016), 184-186. Print. doi:10.5455/aces.20131212010814



APA (American Psychological Association) Style

Kumar, N., Patil, J., Rao, K. G. M., D'Souza, M. R., Nayak, B. S. & Aithal, P. A. (2016) A rare case of bifurcated lesser occipital nerve in the posterior triangle of the neck. Archives of Clinical and Experimental Surgery (ACES), 5 (3), 184-186. doi:10.5455/aces.20131212010814





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