Turkish Neurosurgery 2021 , Vol 31 , Num 6
Feasibility of Medial Pectoral Nerve to Musculocutaneous Nerve Transfer Using Medial Antebrachial Cutaneous Nerve of Forearm Graft: Histopathologic and Anatomical Evaluation
1Shiraz University of Medical Sciences, Chamran Hospital, Bone and Joint Diseases Research Center, Department of Orthopedic Surgery, Shiraz, Iran
2Shiraz University of Medical Sciences, Trauma Research Center, Shiraz, Iran and Shiraz University of Medical Sciences, Department of Pathology, Molecular Pathology and Cytogenetics Division, Shiraz
3Legal Medicine Research Center, Legal Medicine Organization, Tehran, Iran
DOI : 10.5137/1019-5149.JTN.32731-20.3 AIM: To evaluate the compatibility of medial antebrachial cutaneous nerve of the forearm (MACN) with medial pectoral (MPN) and musculocutaneous (MCN) nerves for the anastomosis from anatomical and histopathologic aspects.

MATERIAL and METHODS: Ten brachial plexus specimens from five cadavers were dissected. The distances of the distal ends of MPN and MACN and proximal ends of MACN and MCN were measured from coracoid. Histopathologic slides from the four mentioned nerve ends were provided. The number of fascicles, cross-section diameter, and area of each nerve ends were measured.

RESULTS: The distance of proximal and distal ends of MACN were adjacent to MPN and MCN. The mean number of fascicles (4.5 ± 1.2 vs. 2.9 ± 1.0), area (6.0 ± 2.5 vs. 2.8 ± 2.4) and diameter (2.7 ± 0.6 vs. 1.8 ± 0.7) of the distal end of MACN was significantly more than MCN. The mean number of fascicles (4.4 ± 1.4 vs. 2.6 ± 0.5), area (5.6 ± 2.4 vs. 2.0 ± 1.0) and diameter (2.6 ± 0.6 vs. 1.6 ± 0.4) of the proximal end of MACN was significantly more than MPN. The mentioned parameters were similar between MCN and MPN.

CONCLUSION: Our study reveals that MACN is not a proper graft for MCN and MCN anastomosis due to the incompatibility of its diameter, area, and number of fascicles. Keywords : Nerve graft, Medial antebrachial cutaneous nerve of forearm, Medial pectoral nerve, Musculocutaneous nerve

Corresponding author : Armin AKBARZADEH, armin.akbarzadeh@ymail.com