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Two cases of variations of musculocutaneous nerve communication with the median nerve / Dos casos de variaciones de la comunicación del nervio musculocutáneo con el nervio mediano
Hu, Daosheng; Zheng, Yong; Peng, Shanshan; Hu, Chengjun.
  • Hu, Daosheng; The Second Affiliated Hospital of Dalian Medical University. Department of General Surgery. Division of Hepatobiliary and Pancreatic Surgery. Dalian. CN
  • Zheng, Yong; Wuhan University School of Medicine. Department of Anatomy and Embryology. Wuhan. CN
  • Peng, Shanshan; Wuhan University School of Medicine. Department of Anatomy and Embryology. Wuhan. CN
  • Hu, Chengjun; Wuhan University School of Medicine. Department of Anatomy and Embryology. Wuhan. CN
Int. j. morphol ; 39(4): 960-962, ago. 2021. ilus
Article in English | LILACS | ID: biblio-1385457
ABSTRACT

SUMMARY:

To know the nerve variations of brachial plexus and its branches is very important in the management of upper limb nerve injuries. Variations of the brachial plexus are not uncommon, but types of variations are diverse. The unusual communication branches between the musculocutaneous nerve (MCN) and the median nerve (MN) in course were found during routine dissection on the two different left arms of formalin fixed male cadavers. Depending on the position related to the coracobrachial muscle (CBM), one MCN pierced the CBM, the other did not in the two cases. The branches of MCN emerged interior to the coracoid process to innervate the CBM. The present case reports of anatomical variations of nerves can help to manage nerve injuries and plan surgical approaches during surgical procedures.
RESUMEN
RESUMEN Conocer las variaciones nerviosas del plexo braquial y sus ramas es muy importante en el tratamiento de las lesiones nerviosas de los miembros superiores. Las variaciones del plexo braquial no son infrecuentes, sin embargo los tipos de variaciones son diversos. Los ramos inusuales de comunicación entre el nervio musculocutáneo (NMC) y el nervio mediano (NM) en curso fueron descubiertos durante la disección de rutina en dos miembros superiores izquierdos de dos cadáveres de sexo masculino fijados con formalina. Un NMC atravesó el MCB, otro no lo hizo en los dos casos. Los ramos de NMC emergieron a nivel del proceso coracoideo para inervar el MCB. Los presentes informes de casos de variaciones anatómicas de los nervios pueden ayudar a tratar las lesiones nerviosas y planificar los abordajes quirúrgicos durante los procedimientos quirúrgicos.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Upper Extremity / Anatomic Variation / Median Nerve / Musculocutaneous Nerve Limits: Humans / Male Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2021 Type: Article Affiliation country: China Institution/Affiliation country: The Second Affiliated Hospital of Dalian Medical University/CN / Wuhan University School of Medicine/CN

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Full text: Available Index: LILACS (Americas) Main subject: Upper Extremity / Anatomic Variation / Median Nerve / Musculocutaneous Nerve Limits: Humans / Male Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2021 Type: Article Affiliation country: China Institution/Affiliation country: The Second Affiliated Hospital of Dalian Medical University/CN / Wuhan University School of Medicine/CN