Unusual Branching in Lumbar Plexus

Erbil, Kadriye M.; Önderoğlu, S.; Başar, Ruhgün

doi:10.2535/ofaj1936.76.1_55

Cited by 12 publications

(12 citation statements)

References 2 publications

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“…However, in some cases the nerve might have a higher point of origin. In the study of Erbil et al . (1999), the LFCN was formed by the union of the anterior rami of the first and second lumbar spinal nerves.…”

Section: Discussionsupporting

confidence: 76%

Examination of the variations of lateral femoral cutaneous nerves: report of two cases

et al. 2002

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The origins, courses and relations of lateral femoral cutaneous nerves (LFCNs) were examined bilaterally in 28 cadavers, and the variations were observed in two. On the right side of one cadaver, the ventral rami of the first and second lumbar spinal nerves were united and then this nerve was divided into four branches. From medial to lateral, these branches were the obturator nerve, the femoral nerve, the medially located LFCN and the laterally located LFCN. On the left side of another cadaver, there were three LFCNs. All of these nerves pierced the psoas major muscle anterolaterally. Two of these nerves, which pierced the psoas major muscle more proximally than the third, united with each other by a communicating branch anterior to the iliacus muscle. These types of variations are very important, especially in the presence of paresthesias or pain in the anterior thigh, lateral thigh and gluteal region. In these cases, surgeons must always remember the possible variations of the LFCN during surgical procedures in order to prevent injury and the occurrence of meralgia paresthetica.

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Section: Discussionsupporting

confidence: 76%

Examination of the variations of lateral femoral cutaneous nerves: report of two cases

et al. 2002

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“…On the right side, the lumbar plexus was prefixed. The femoral nerve formed by branches from the first, second, third and fifth lumbar spinal nerves [13].…”

Section: Discussionmentioning

confidence: 99%

“…In 24 cases, the lateral femoral cutaneous nerve arose from L1 and L2, and even solely from the second or third lumbar nerve [16]. Erbil et al reported in a case that the lateral cutaneous nerve of the thigh was formed by the union of the anterior rami of the first and second lumbar spinal nerves [13].…”

Section: Discussionmentioning

confidence: 99%

Morphology of Lumbar Plexus and Its Clinical Significance

Arora¹,

Trehan²,

Kaushal³

et al. 2016

IJAR

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Background and Objectives:Looking to the applied significance of lumbar plexus in the form of its involvement in various injuries and entrapment, it is imperative to have a thorough knowledge about its formation, branching pattern and variations. Materials and Methods:The study was performed on 30 formalin embalmed cadavers in the department of anatomy, Government Medical College, Patiala. The muscles of the posterior abdominal wall were exposed. The fibers of psoas major muscle were dissected from the transverse processes of lumbar vertebrae and the nerves of lumbar plexus were exposed. Results:The variable origin of iliohypogastric nerve was found in 8.33% cases. It was not found in 8 specimens.Ilioinguinal nerve was not seen in 14.97% cases. Variations in morphological origin of genitofemoral nerve were seen in 13.36% cases and in case of femoral nerve , variations were in 43.32% cases. Lateral femoral cutaneous nerve was seen arising from femoral nerve in 8.33% cases and was not found in 16.67% cases. Psoas minor muscle was found unilaterally in 1 cadaver on the right side and bilaterally in 2 cadavers. Conclusion:Knowledge of the anatomy of the lumbar plexus is essential for the surgeon who wishes to perform a surgical intervention to this plexus.

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“…Variations in the formation of the nerves are generally developmental unless there is a surgical intervention in their normal anatomy. There are various reports regarding the variations in the formation of nerves from the lumbar plexus, involving one of the nerves from it (MINE ERBIL, ONDEROGLU and BASAR, 1998;ERBIL, ONDEROGLU and BASAR, 1999). During development, the formation of nerves starts as early as 04 th week and it is coordinated along with the formation of the muscles, skin and other structures requiring the nerve supply from that segment of the developing spinal cord.…”

Section: Discussionmentioning

confidence: 99%

An extensive study and review of literature about multiple variations of the lumbar plexus

Nayak¹,

Surendran²,

Reghunathan³

et al. 2017

J Morphol Sci

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Introduction: Lumbar plexus involves the L1 -L5 spinal segments for the formation of the nerves which supply parts of the abdominal wall, pelvis and the upper part of the thigh (both sensory and motor). Our aim in this study was to compile all the rare variations found in a single cadaver, which is of the rarest possible kind. Methods: During the dissection of the abdomen and pelvis in approximately 70 year old cadaver, there were multiple variations observed in the anatomy of the lumbar plexus. The entire region was cleaned for visibility of the variations and all those were clearly documented for compiling purpose. Results: The following variations in the formation of the lumbar and sacral nerves were observed. 1. The genitofemoral nerve bifurcated at a higher level; genital branch of genitofemoral nerve gave branches to the anterior abdominal wall muscles, 2. A communicating branch was given from the lateral cutaneous nerve of thigh to the medial cutaneous nerve of thigh, 3. A muscular branch was given from femoral nerve to psoas major, 4. There was absence of contribution of L4 spinal nerve in the formation of the lumbosacral trunk, and 5. Lumbosacral trunk gave communicating branches to the femoral and obturator nerves. Most of the variations found were rare and finding all the above said variations in a single cadaver is even rare. Conclusion: Knowledge of the normal anatomy and any possible variations would help the clinicians and surgeons dealing with this region and avoid possible complications beforehand.

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Unusual Branching in Lumbar Plexus

Cited by 12 publications

References 2 publications

Examination of the variations of lateral femoral cutaneous nerves: report of two cases

Examination of the variations of lateral femoral cutaneous nerves: report of two cases

Morphology of Lumbar Plexus and Its Clinical Significance

An extensive study and review of literature about multiple variations of the lumbar plexus

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