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A case report on abnormal origin of right recurrent laryngeal nerve from right vagus in thorax
Aniruddha Sarkar1
1Assistant Professor, Department of Anatomy, Medical College, City-Kolkata, State-West Bengal, Country-India.

doi:10.5348/ijcri-2012-03-97-CR-2

Address correspondence to:
Dr. Aniruddha Sarkar
S/o- Mr. Arun Kumar Sarkar (Advocate)
Post- Raghunathganj, Dist.-Murshidabad
Locality- Pakurtala, State- West Bengal - 742225
India
Phone: (+91) 9474474468
Email: drani77@gmail.com

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How to cite this article:
Sarkar A. A case report on abnormal origin of right recurrent laryngeal nerve from right vagus in thorax. International Journal of Case Reports and Images 2012;3(3):4-7.


Abstract
Introduction: Variations in the course of right recurrent laryngeal nerve are very common. But the right recurrent laryngeal nerve taking origin in the thorax instead of the root of the neck is a very rare anomaly. There are only few reports available regarding such anomaly of right recurrent laryngeal nerve.
Case Report: During a routine gross anatomy dissection of front of the neck in an adult female cadaver right recurrent laryngeal nerve was found to take origin in the thoracic cavity instead of origin in the root of the neck. The right recurrent laryngeal nerve had a recurrent course passing behind the right subclavian artery forming a loop in the thorax.
Conclusion: The right recurrent laryngeal nerve in thorax may be damaged during surgical procedures like pacemaker placement in the heart, during the mediastinoscopy etc. So, during any thoracic surgery the surgeons should be very cautious about the abnormal origin of the right recurrent laryngeal nerve in thorax. We are trying to give focus by presenting this case on the abnormal origin of the right recurrent laryngeal nerve so that it can be prevented from injury during the thoracic surgeries or maneuvers, if an abnormal origin is present.

Key Words: Thoracic, Right recurrent laryngeal nerve

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Author Contributions:
Aniruddha Sarkar - substantial contributions to conception and design, acquisition of data, or analysis and interpretation of data, drafting the article or revising it critically for important intellectual content, final approval of the version to be published
Guarantor of submission:
The corresponding author is the guarantor of submission.
Source of support:
None
Conflict of interest:
Authors declare no conflict of interest.
Copyright:
© Aniruddha Sarkar 2012; This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any means provided the original authors and original publisher are properly credited. (Please see http://www.ijcasereportsandimages.com/copyright-policy.php for more information.)