Preinguinal Splitting and Reunion of Femoral Nerve Entrapping the Fleshy Fibres of Iliacus Muscle - A Case Report

Ashwini, LS and Somayaji, SN and Rao, Mohandas KG and Marpalli, Sapna (2017) Preinguinal Splitting and Reunion of Femoral Nerve Entrapping the Fleshy Fibres of Iliacus Muscle - A Case Report. Journal of Clinical and Diagnostic Research, 11 (4). pp. 1-2. ISSN 0973-709X

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Division of nerves close to their origin and muscular entrapments by nerves in the limbs is not very common. Femoral nerve is the largest branch of the lumbar plexus and arises from dorsal divisions of ventral rami of L2 to L4 spinal nerves. During routine cadaveric dissection for first year medical students at Melaka Manipal Medical College (Manipal Campus), Karnataka, India, we observed a variation in the division and course of left femoral nerve in about 65-year-old male cadaver. The femoral nerve was split into two divisions above the inguinal ligament after its origin from the lumbar plexus. The lower division of the nerve passed deep to the iliopsoas muscle fibres and the upper division ran superficial to iliacus muscle deep to fascia iliaca. Both the divisions joined just above the inguinal ligament to form the trunk of the femoral nerve. Further course and distribution of the nerve was normal. The reports have shown that compression neuropathies of femoral nerve in the limbs are caused by neoplastic masses, vascular abnormalities and also by different anomalous muscles. Such neuropathies may also result from indirect compression of femoral nerve between the fibres of psoas major muscle and lateral pelvic wall. The potential clinical importance of above mentioned variations in the division of femoral nerve would emphasize the surgeons to diagnose the neuromuscular entrapments and consequent alterations of sensation in the anterior and medial aspects of the thigh.

Item Type: Article
Uncontrolled Keywords: Lumbar plexus; Inguinal ligament; Neuromuscular entrapments
Subjects: Medicine > KMC Manipal > Anatomy
Depositing User: KMC Library
Date Deposited: 04 Apr 2017 11:13
Last Modified: 04 Apr 2017 11:13

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