*Correspondence to: Dr. Macario Llamas, Associate Professor, Anatomy and Clinical Medicine, Kirk Kerkorian School of Medicine at UNLV, USA
Received: Apr 23, 2025; Accepted: May 01, 2025; Published: May 08, 2025
Citation: Noori O, Kim H, Parikh J, Chen SL, Llamas M (2025) High Division of the Sciatic Nerve Split by the Superior Gemellus Muscle: A Case Review and Clinical Implications. J Anatomical Variation and Clinical Case Report 3:118. DOI: https://doi.org/10.61309/javccr.1000118
Copyright: ©2025 Noori O. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
ABSTRACT
Anatomical variations of the sciatic nerve (SN) are clinically significant due to their implications in surgery and neuropathy management. A rare variant, the high division of the SN split by the superior gemellus muscle (SGM), was observed bilaterally during routine dissection, with the two components passing superior and inferior to the SGM. This finding contributes to the existing anatomical knowledge of this rare variant. By consolidating these findings, this review aims to enhance anatomical understanding, refine surgical approaches, and improve patient outcomes.
Keywords: Sciatic nerve variation; Superior gemellus muscle; Nerve compression; Anatomical dissection; Clinical anatomy
Figure 1: High division of the sciatic nerve at the level of the superior gemellus muscle. The tibial and common fibular nerves separate early, with the common fibular nerve taking a more lateral course alongside the superior gemellus. FN = Fibular Nerve; I. Gemellus = Inferior Gemellus Muscle; Obturator i = Tendon to Obturator Internus Muscle; Quadratus = Quadratus Femoris Muscle; S. Gemellus = Superior Gemellus Muscle; TN = Tibial Nerve.
