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A Case Report on Alar Thoracic Artery Seen in a Cadaver of a Medical College of Coastal Andhra Pradesh
Abstract
Alar thoracic artery is rare branch arises from second part of axillary artery and supplies the axillary fat& axillary lymph nodes. As it is a rare branch there will be always risk of post operative bleeding if the artery not identified and ligated properly during operations. During our routine dissection we found this rare branch in a 57 year male cadaver. Knowledge of this rare branching pattern of axillary artery in axillary region will help surgeons before planning for any surgeries in axillary region, and also helpful for anesthetist's before giving brachial blocks during amputation of upper limb
... [20] Reddy et al. have also reported an ATA arising from the second part of the axillary artery recently. [21] We have observed it to be a branch from the second part of the axillary artery. The ATA in our case is dividing into a branch supplying the axilla and the main vessel itself. ...
The intercostobrachial nerve (ICBN) is often encountered during axillary dissection for axillary lymph node dissection (ALND) for diagnostic and therapeutic surgery for mastectomy. The present report is a case observed in the Department of Anatomy at Vardhman Mahavir Medical College, Delhi during routine dissection of the upper extremity of a male cadaver for first year undergraduate medical students. On the right side, the medial cord of brachial plexus gave two medial cutaneous nerves of arm. Both the nerves were seen communicating with the branches of the ICBN. The ICBN and one of its branches were surrounding the termination of an alar thoracic artery. These peripheral neural connections of the ICBN with the branches of the medial cord can be a cause of sensory impairment during axillary procedures done for mastectomy or exploration of long thoracic nerves. The alar thoracic artery found in relation to the ICBN could further be a cause of vascular complications during such procedures.
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