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Updated: Jul 1, 2025

Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review

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Published on: November 8, 2024

Conjoined lumbosacral nerve root: a case report.

Yasutaka Takagi¹, Hiroshi Yamada², Hidehumi Ebara²

¹Department of Orthopedic Surgery, Tonami General Hospital, 1-61 Shintomi-Cho, Tonami City, Toyama, 939-1395, Japan. takagi@p1.coralnet.or.jp.

Journal of Medical Case Reports

|March 6, 2024

Summary

Conjoined nerve roots require careful surgical management. Recurrence of symptoms due to foraminal stenosis may necessitate further intervention, such as contralateral transforaminal lumbar interbody fusion.

Keywords:

Conjoined nerve root Partial laminectomy Transforaminal lumbar interbody fusion

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Uniportal Full Endoscopic Posterolateral Transforaminal Lumbar Interbody Fusion

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Published on: June 6, 2025

Area of Science:

Neurosurgery
Spinal Surgery
Orthopedics

Background:

Conjoined nerve roots can destabilize the lumbosacral spine, necessitating hemilaminectomy for adequate surgical exposure.
Long-term outcomes of conjoined nerve roots following surgery are not well-documented.

Observation:

A 51-year-old man with a conjoined nerve root experienced immediate symptom resolution after partial laminectomy.
Seven years post-surgery, the patient developed recurrent low back pain, radiating pain, and leg weakness due to foraminal stenosis from L5-S disc degeneration.

Findings:

This case highlights the first reported long-term course of a conjoined nerve root after partial laminectomy.
Recurrent symptoms were successfully treated with contralateral transforaminal lumbar interbody fusion due to nerve root immobility.

Implications:

Foraminal stenosis following partial laminectomy for conjoined nerve roots may require revision surgery.
Contralateral transforaminal lumbar interbody fusion is a viable option for managing recurrent stenosis in such cases.