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Related Experiment Video

Updated: Jun 8, 2026

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

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Clear cell ependymoma occurring in the cauda equina.

Dong Joon Kim¹, Tae Wan Kim, Yoonjung Kim

¹Department of Neurosurgery, Seoul Veterans Hospital, Seoul, Korea.

Journal of Korean Neurosurgical Society

|September 22, 2010

Summary

This case study reports a rare clear cell ependymoma in the cauda equina. Surgical removal of this spinal tumor successfully relieved the patient's lower back pain.

Keywords:

Cauda equina Clear cell ependymoma

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Area of Science:

Neuro-oncology
Spinal Surgery

Background:

Clear cell ependymoma is a rare subtype of ependymoma, typically found in the central nervous system.
Cauda equina tumors, while uncommon, can present with varied neurological symptoms.

Observation:

A 54-year-old male presented with intermittent lower back pain.
Neurological examination revealed no motor or sensory deficits.
MRI identified a 1.0 cm intradural mass at the filum terminale.

Findings:

The intradural mass was surgically resected via L1 and L2 laminectomy.
Histopathological examination confirmed the tumor as clear cell ependymoma.
Complete tumor resection was achieved.

Implications:

This case highlights the importance of considering rare spinal tumors in the differential diagnosis of lower back pain.
Successful surgical management of clear cell ependymoma in the cauda equina can lead to symptom resolution.
Further research into the specific characteristics and treatment of spinal clear cell ependymomas is warranted.