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A Rare Variation in the Position of the Median Nerve: A Case Report
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M Baazm    , Y Asadi-Fard * |
| 1.Department of Anatomy, School of Medicine, Arak University of Medical Sciences, Arak, I.R.Iran. , usef.fard@yahoo.com |
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Abstract: (583 Views) |
Background and Objective: Several variations have been reported regarding the formation of the brachial plexus, and all of these variations should be considered when planning surgical approaches to treat injuries that affect the brachial nerves. In the present study, a rare variation in the position of the median nerve and the branches of the medial cord is reported.
Case Report: During the autopsy of a 65-year-old man for teaching purposes in the medical school, a rare variation in the brachial plexus was observed in the right axillary fossa. During dissection of the pectoral region and axillary fossa, and upon further examination, it was determined that the median nerve was formed by the union of the medial and lateral roots of the medial and lateral cords of the brachial plexus, in the arm and posterior to the brachial artery. The medial cutaneous nerve of the arm and the medial cutaneous nerve of the forearm also originate from a common trunk that branches off from the medial cord.
Conclusion: According to the results of this reported case, awareness of these variations is important for anatomists, radiologists, anesthesiologists, and surgeons to interpret unexplained clinical signs and symptoms and can prevent potential complications of surgery. |
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| Keywords: Brachial Plexus, Median Nerve, Axillary Artery, Medial Cord, Variation. |
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Full-Text [PDF 365 kb]
(158 Downloads)
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Type of Study: case report |
Subject:
Descriptive Sciences
Received: 2024/06/15 | Accepted: 2024/10/12 | Published: 2025/11/5
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