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Related Concept Videos

Cranial and Spinal Meninges01:19

Cranial and Spinal Meninges

The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...

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Related Experiment Video

Updated: Jun 30, 2026

Intraoperative Ultrasound in Spinal Surgery
05:53

Intraoperative Ultrasound in Spinal Surgery

Published on: August 17, 2022

[Extradural spinal meningioma: case report].

A Dagain1, R Dulou, M Lahutte

  • 1Service de neurochirurgie, HIA Val-de-Grâce, 74, boulevard Port-Royal, 75005 Paris, France. dr.adagain@gmail.com

Neuro-Chirurgie
|September 27, 2008
PubMed
Summary
This summary is machine-generated.

Purely extradural spinal meningiomas are rare tumors that can be mistaken for other conditions. Intraoperative histology is crucial for accurate diagnosis and surgical planning of these spinal neoplasms.

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Area of Science:

  • Neurosurgery
  • Spinal Oncology
  • Pathology

Background:

  • Spinal meningiomas represent 20-30% of all spinal neoplasms.
  • Epidural meningiomas are uncommon and can be misdiagnosed as malignant tumors or spinal schwannomas.

Observation:

  • A 62-year-old male with a history of malignancy presented with back pain and lower limb weakness.
  • MRI revealed a T4 intraspinal lesion with significant enhancement.
  • Intraoperative histology confirmed a meningioma, with the dura mater revealing a purely epidural location.

Findings:

  • The case highlights a purely extradural spinal meningioma.
  • Histological confirmation was essential to differentiate it from other spinal tumors.
  • The patient experienced an uneventful recovery with no recurrence at 12 months post-surgery.

Implications:

  • Purely extradural spinal meningiomas present diagnostic challenges, mimicking metastatic disease or schwannomas.
  • Intraoperative histological examination is vital for definitive diagnosis and guiding surgical strategy.
  • Accurate diagnosis and surgical management are key for favorable patient outcomes in spinal neoplasms.