Extradural spinal meningioma: case report

We report a case of purely extradural spinal meningioma and discuss the potential pitfalls in differential diagnosis. Spinal meningiomas account for 20-30% of all spinal neoplasms. Epidural meningiomas are infrequent intraspinal tumors that can be easily confused with malignant neoplasms or spinal s...

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Bibliographic Details
Published in:Neuro-chirurgie 2009-12, Vol.55 (6), p.565-568
Main Authors: Dagain, A, Dulou, R, Lahutte, M, Dutertre, G, Pouit, B, Delmas, J-M, Camparo, P, Pernot, P
Format: Article
Language:fre
Subjects:
Back Pain - etiology
Contrast Media
Diagnosis, Differential
Dura Mater - pathology
Dura Mater - surgery
Gadolinium
Humans
Magnetic Resonance Imaging
Male
Meningioma - pathology
Meningioma - surgery
Middle Aged
Muscle Weakness - etiology
Spinal Cord - pathology
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Summary:We report a case of purely extradural spinal meningioma and discuss the potential pitfalls in differential diagnosis. Spinal meningiomas account for 20-30% of all spinal neoplasms. Epidural meningiomas are infrequent intraspinal tumors that can be easily confused with malignant neoplasms or spinal schwannomas. A 62-year-old man with a previous history of malignant disease presented with back pain and weakness of the lower limbs. Magnetic resonance imaging revealed a well-enhanced T4 intraspinal lesion. The intraoperative histological examination showed a meningioma (confirmed by postoperative examination). Opening the dura mater confirmed the purely epidural location of the lesion. The postoperative course was uneventful with no recurrence 12 months after surgery. Purely extradural spinal meningiomas can mimic metastatic tumors or schwannomas. Intraoperative histology is mandatory for optimal surgical decision making.
ISSN:1773-0619
DOI:10.1016/j.neuchi.2008.08.112