Related Experiment Video

Updated: Oct 2, 2025

Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review
04:33

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

Published on: November 8, 2024

485

Dorsal arachnoid web: A rare clinical entity

Claire Allen1, Shiavax J Rao1, Rafi Raza2

  • 1Department of Medicine, MedStar Health Internal Medicine Residency Program, Baltimore, MD, United States of America.

Clinical Imaging
|February 26, 2022
PubMed

Insights

Dorsal arachnoid webs are rare spinal conditions causing herniation and neurological symptoms. Diagnosis involves imaging, with management tailored to individual patient needs, including surgical or conservative options.

Area of Science:

  • Neurosurgery
  • Neurology
  • Radiology

Background:

  • Dorsal arachnoid webs are rare malformations of the arachnoid mater.
  • These webs can lead to spinal cord herniation and significant neurological deficits.
  • Common presenting symptoms include back pain and compressive myelopathy.

Purpose of the Study:

  • To describe two cases of dorsal arachnoid webs.
  • To highlight the diagnostic imaging approaches for arachnoid webs.
  • To illustrate the differing management strategies for these rare spinal conditions.

Main Methods:

  • Review of two clinical cases with dorsal arachnoid webs.
  • Analysis of diagnostic imaging, including CT myelogram and MRI.
  • Comparison of surgical and conservative treatment outcomes.

Main Results:

  • Both cases presented with symptoms consistent with spinal cord compression.
  • Imaging confirmed the presence of dorsal arachnoid webs.
  • Management approaches varied, leading to different clinical outcomes.

Conclusions:

  • Dorsal arachnoid webs require careful diagnostic evaluation using advanced imaging.
  • Management strategies should be individualized based on clinical presentation and imaging findings.
  • Further research is needed to optimize treatment protocols for dorsal arachnoid webs.
Keywords:
Arachnoid webCT myelogramDorsal arachnoid webMRIScalpel sign

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