Journal List > J Korean Soc Spine Surg > v.23(2) > 1076093

Shin, Choi, and Kim: Huge Intradural Lumbar Disc Herniation Mimicking an Intradural Spinal Tumor - A Case Report -


Study Design

A case report.


To report a case of cauda equine syndrome due to a lumbar intradural disc herniation.

Summary of Literature Review

IDH is rare but there is a higher incidence of neurologic deficit in IDH. Therefore, it should be treated immediately.

Materials and Methods

A 34-year-old male patient was presented with cauda equina syndrome due to a lumbar intradural mass and underwent surgical excision.


Operative findings and the histologic study revealed an intradural disc herniation.


IDH is very rare lesion but should be considered in a differential diagnosis if preoperative MRI demonstrates an intradural lesion.


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Fig. 1.
(A) The arrow indicates a huge isointense mass-like lesion located in the intradural space from the L4 to L5 level on a T1-weighted sagittal magnetic resonance (MR) image. (B) The arrow indicates a heteroge-neous isointense lesion in a T2-weighted sagittal MR image.
Fig. 2.
The arrow indicates ring enhancement of the mass on a gadolini-um-enhanced T1-weighted axial magnetic resonance (MR) image.
Fig. 3.
An intraoperative image demonstrates a huge intradural disc fragment after durotomy.
Fig. 4.
A clinical photo shows the piece of disc material that was re-moved.
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