• J Clin Diagn Res · Feb 2014

    Case Reports

    Origin of medial and lateral pectoral nerves from the supraclavicular part of brachial plexus and its clinical importance - a case report.

    • Prakashchandra Shetty, Satheesha B Nayak, Naveen Kumar, Rajesh Thangarajan, and Melanie Rose D'Souza.
    • Associate Professor, Department of Anatomy, Melaka Manipal Medical College, Manipal University , Madhav Nagar, Manipal, Karnataka, India .
    • J Clin Diagn Res. 2014 Feb 1; 8 (2): 133-4.

    AbstractKnowledge of normal and anomalous formation of brachial plexus and its branches is of utmost importance to anatomists, clinicians, anesthesiologists and surgeons. Possibility of variations in the origin, course and distribution of branches of brachial plexus must be kept in mind during anesthetizing the brachial plexus, mastectomy and plastic surgery procedures. In the current case, the medial pectoral nerve arose directly from the middle trunk of the brachial plexus and the lateral pectoral nerve arose from the anterior division of the upper trunk of the brachial plexus. The lateral pectoral nerve supplied the pectoralis major and the medial pectoral nerve supplied pectoralis major and pectoralis minor muscles through two separate branches.

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