UNUSUAL FORMATION OF MEDIAN NERVE AND OCCURRENCE OF MUSCULOAPONEUROTIC BAND IN THE COURSE OF MEDIAN NERVE IN ARM: A CLINICOANATOMICAL STUDY
Journal Title: IJSR-International Journal Of Scientific Research - Year 2019, Vol 8, Issue 7
Abstract
Median nerve is one of the commonly involved nerves in peripheral neuropathy of the upper limb. Peripheral neuropathies may occur due to various intrinsic (medical conditions like diabetes mellitus & Guillian Barre syndrome) and extrinsic (nerve entrapment) causes. This study reports an unusual course of median nerve which can be considered as cause of such entrapment neuropathy. During routine MBBS dissection on a 76 years old male cadaver unusual formation and variant course of median nerve was noted. In present study unusual relation of the medial root of median nerve with axillary artery was found at the origin and secondly the nerve was found coursing under the musculo-aponeurotic band located on the antero-medial side of lower one-third of the right arm. These observations are important as the aponeurotic band may compress the median nerve and may results in entrapment neuropathy. The comprehensive knowledge of possible variant anatomical relations of median nerve are of great importance to understand the cause of symptoms and to facilitate early diagnosis and prompt management of patient presenting with median nerve compression.
Authors and Affiliations
Deepika Poonia, Anita Mahajan, Sabah Yaseen Shah, Sabita Mishra
Keywords
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