Anatomical analysis of antebrachial cutaneous nerve distribution pattern and its clinical implications for sensory reconstruction


Autoři: Hui Li aff001;  Weiwei Zhu aff001;  Shouwen Wu aff001;  Zairong Wei aff002;  Shengbo Yang aff001
Působiště autorů: Department of Anatomy, Zunyi Medical University, Zunyi, Guizhou, China aff001;  Department of Plastic Surgery, The First Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China aff002
Vyšlo v časopise: PLoS ONE 14(9)
Kategorie: Research Article
prolekare.web.journal.doi_sk: 10.1371/journal.pone.0222335

Souhrn

This study aimed to reveal the distribution pattern of antebrachial cutaneous nerves and provide a morphological basis for sensory reconstruction during flap transplantation. Forearm specimens containing skin and subcutaneous fat were obtained from 24 upper extremities of 12 adult cadavers. Cutaneous nerves were visualized using modified Sihler's staining. Then the data was used to show the distribution pattern and innervation area of the forearm cutaneous nerve. The anterior branch of lateral antebrachial cutaneous nerve innervates 26% of the medial anterior forearm; the posterior branch innervates 38.21% of the lateral anterior forearm and 24.46% of the lateral posterior forearm. The anterior branch of medial antebrachial cutaneous nerve innervates the medial aspect of the forearm covering 27.67% of the anterior region; the posterior branch the lateral part of the forearm covering 7.67% and 34.75% of the anterior and posterior regions, respectively. The posterior antebrachial cutaneous nerve covers 41.04% of the posterior forearm. Coaptations were found between the branches of these cutaneous nerves. The relatively dense secondary nerve branches were found in the middle 1/3 of the lateral anterior forearm and the middle 1/3 of the medial posterior forearm. The relatively dense tertiary nerve branches were the middle 1/3 and lower 1/3 of the medial anterior forearm. The intradermal nerve branches were the relatively dense in the middle 1/3 of the medial anterior and lateral posterior forearm. The middle 1/3 of the medial and lateral forearm had the relatively dense total nerve branches. These results can be used sensory matching while designing forearm flaps for reconstruction surgeries to obtain improved recovery of sensory.

Klíčová slova:

Biology and life sciences – Anatomy – Musculoskeletal system – Body limbs – Nervous system – Integumentary system – Skin – Neuroscience – Cellular neuroscience – Neurons – Nerve fibers – Cell biology – Cellular types – Animal cells – Biochemistry – Lipids – Fats – Medicine and health sciences – Arms – Forearms – Skeleton – Humerus – Neuroanatomy – Skin anatomy – Surgical and invasive medical procedures – Plastic surgery and reconstructive techniques – Skin grafting – Physical sciences – Mathematics – Statistics – Statistical data


Zdroje

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