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Vol 72, No 3 (2013)
Case report
Submitted: 2013-04-06
Accepted: 2013-05-09
Published online: 2013-09-05
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Anatomic variability of groin innervation

P. Bachul, K. A. Tomaszewski, E. K. Kmiotek, M. Kratochwil, R. Solecki, J. A. Walocha
DOI: 10.5603/FM.2013.0043
·
Folia Morphol 2013;72(3):267-270.

open access

Vol 72, No 3 (2013)
CASE REPORTS
Submitted: 2013-04-06
Accepted: 2013-05-09
Published online: 2013-09-05

Abstract

Inguinal hernia repairs are very common yet fairly complex surgical procedures.Variations in the anatomical course of the inguinal nerves require that diligenceis taken in their proper recognition. Inadvertent surgical injury to these nerves isassociated with long term postoperative pain and complications. The aim of thepresent study was to highlight the complexity and variation in the innervation ofthe inguinal region in order to increase proper nerve identification during surgicalinterventions. Bilateral dissection of the inguinal and posterior abdominal regionsin one human male cadaver revealed an atypical anatomic topography of thegroin innervation. This unusual case was observed at the Jagiellonian UniversityAnatomy Department during routine cadaveric preparations. The left ilioinguinalnerve was absent. The left genital branch of the genitofemoral nerve arose higherthan expected from the lumbar plexus and supplied the groin region, which istypically innervated by the ilioinguinal nerve. Furthermore, the left lateral cutaneousfemoral nerve and the right genital branch of the genitofemoral nerve alsofollowed uncharacteristic courses. Awareness of topographical nerve variationsduring inguinal hernia repair will help surgeons identify and preserve importantnerves, thus decreasing the incidence of chronic postoperative pain.

Abstract

Inguinal hernia repairs are very common yet fairly complex surgical procedures.Variations in the anatomical course of the inguinal nerves require that diligenceis taken in their proper recognition. Inadvertent surgical injury to these nerves isassociated with long term postoperative pain and complications. The aim of thepresent study was to highlight the complexity and variation in the innervation ofthe inguinal region in order to increase proper nerve identification during surgicalinterventions. Bilateral dissection of the inguinal and posterior abdominal regionsin one human male cadaver revealed an atypical anatomic topography of thegroin innervation. This unusual case was observed at the Jagiellonian UniversityAnatomy Department during routine cadaveric preparations. The left ilioinguinalnerve was absent. The left genital branch of the genitofemoral nerve arose higherthan expected from the lumbar plexus and supplied the groin region, which istypically innervated by the ilioinguinal nerve. Furthermore, the left lateral cutaneousfemoral nerve and the right genital branch of the genitofemoral nerve alsofollowed uncharacteristic courses. Awareness of topographical nerve variationsduring inguinal hernia repair will help surgeons identify and preserve importantnerves, thus decreasing the incidence of chronic postoperative pain.

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Keywords

inguinal hernia, groin, variability, ilioinguinal nerve, genitofemoral nerve, cutaneous femoral nerve

About this article
Title

Anatomic variability of groin innervation

Journal

Folia Morphologica

Issue

Vol 72, No 3 (2013)

Article type

Case report

Pages

267-270

Published online

2013-09-05

Page views

2303

Article views/downloads

3389

DOI

10.5603/FM.2013.0043

Bibliographic record

Folia Morphol 2013;72(3):267-270.

Keywords

inguinal hernia
groin
variability
ilioinguinal nerve
genitofemoral nerve
cutaneous femoral nerve

Authors

P. Bachul
K. A. Tomaszewski
E. K. Kmiotek
M. Kratochwil
R. Solecki
J. A. Walocha

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