Unilateral multiple arterial variations in the upper limb- a case report

Kotian, Sushma R and Bhat, Kumar MR (2015) Unilateral multiple arterial variations in the upper limb- a case report. International Journal Of Advances In Case Reports, 2 (15). pp. 967-971. ISSN 2349 - 8005

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Normally, the brachial artery divides into radial and ulnar arteries at the level of the neck of the radius in the cubital fossa. However, higher division of the brachial artery has been reported earlier. Here, we report multiple arterial variations in the right upper limb with rare communication between the musculocutaneous nerve and the median nerve. During the routine dissection, we found higher division of the brachial artery unilaterally up in the arm into radial and ulnar arteries. The brachial artery unusually gave rise to only the profunda brachii artery and muscular branch to the triceps. Its other branches like the nutrient artery to the humerus, upper and lower ulnar collateral and other muscular branches were found to arise from the ulnar artery in the arm. At the level of the apex of the cubital fossa the ulnar artery gave rise to common interosseous artery and large muscular branch to the extensor compartment. The radial artery had the superficial course in the arm and in the forearm and did not contribute to the superficial palmar arch in the palm. In the same limb, a branch from the musculocutaneous nerve emerged from the short head of the biceps and communicated with the median nerve. Such variations may be explained on embryological basis owing to the complex relationship between the nerves and vessels in the upper limb. The knowledge of these types of arterial variations are important for surgeons, radiologist and also for the anatomist and may also explain uncommon symptoms and syndromes in the upper limb.

Item Type: Article
Uncontrolled Keywords: Brachial artery; variation; radial artery; ulnar artery; median nerve; musculocutaneous nerve.
Subjects: Medicine > KMC Manipal > Anatomy
Depositing User: KMC Library
Date Deposited: 24 Sep 2015 14:29
Last Modified: 24 Sep 2015 14:29
URI: http://eprints.manipal.edu/id/eprint/144106

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