Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels

Anatomical variations related to the sciatic nerve and its surrounding structures are well-documented, relevant for certain medical procedures, and identified as contributors to pathological conditions. Variations of the sciatic nerve are often classified by its relative position to the piriformis m...

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Main Authors: Kara Coffman-Rea, Skylar Arwood, Karen E. Samonds
Format: Article
Language:English
Published: Elsevier 2024-03-01
Series:Translational Research in Anatomy
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214854X23000468
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author Kara Coffman-Rea
Skylar Arwood
Karen E. Samonds
author_facet Kara Coffman-Rea
Skylar Arwood
Karen E. Samonds
author_sort Kara Coffman-Rea
collection DOAJ
description Anatomical variations related to the sciatic nerve and its surrounding structures are well-documented, relevant for certain medical procedures, and identified as contributors to pathological conditions. Variations of the sciatic nerve are often classified by its relative position to the piriformis muscle. However, there are inconsistencies in the description and depiction of these variations, along with instances of atypical variations that do not fall within any specific classification. This case report describes an anatomic abnormality found during a routine cadaver dissection involving the bilateral presence of a double piriformis, absence of sciatic nerve formation (tibial and common fibular nerves never within a shared sheath) and an atypical course of the inferior gluteal vessels perforating the right tibial nerve.
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spelling doaj.art-797964d5f89441e99691467868a981aa2024-02-29T05:19:18ZengElsevierTranslational Research in Anatomy2214-854X2024-03-0134100277Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vesselsKara Coffman-Rea0Skylar Arwood1Karen E. Samonds2Corresponding author.; Department of Biological Sciences, Northern Illinois University, 1425 W. Lincoln Hwy, DeKalb, Illinois, 60115, USADepartment of Biological Sciences, Northern Illinois University, 1425 W. Lincoln Hwy, DeKalb, Illinois, 60115, USADepartment of Biological Sciences, Northern Illinois University, 1425 W. Lincoln Hwy, DeKalb, Illinois, 60115, USAAnatomical variations related to the sciatic nerve and its surrounding structures are well-documented, relevant for certain medical procedures, and identified as contributors to pathological conditions. Variations of the sciatic nerve are often classified by its relative position to the piriformis muscle. However, there are inconsistencies in the description and depiction of these variations, along with instances of atypical variations that do not fall within any specific classification. This case report describes an anatomic abnormality found during a routine cadaver dissection involving the bilateral presence of a double piriformis, absence of sciatic nerve formation (tibial and common fibular nerves never within a shared sheath) and an atypical course of the inferior gluteal vessels perforating the right tibial nerve.http://www.sciencedirect.com/science/article/pii/S2214854X23000468Gluteal regionFibular nerveNerve compression syndromePiriformis muscleTibial nerveSciatic nerve
spellingShingle Kara Coffman-Rea
Skylar Arwood
Karen E. Samonds
Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels
Translational Research in Anatomy
Gluteal region
Fibular nerve
Nerve compression syndrome
Piriformis muscle
Tibial nerve
Sciatic nerve
title Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels
title_full Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels
title_fullStr Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels
title_full_unstemmed Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels
title_short Atypical variation within the deep gluteal region: A case report featuring double piriformis, non-forming sciatic nerve, and abnormal course of the gluteal vessels
title_sort atypical variation within the deep gluteal region a case report featuring double piriformis non forming sciatic nerve and abnormal course of the gluteal vessels
topic Gluteal region
Fibular nerve
Nerve compression syndrome
Piriformis muscle
Tibial nerve
Sciatic nerve
url http://www.sciencedirect.com/science/article/pii/S2214854X23000468
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