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Updated: Aug 22, 2026
Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
[Spinal extradural meningiomas: MRI findings in two cases]
M I Vargas1, M Abu Eid, A Bogorin
1Service de Radiologie 2.
Abstract:
Spinal extradural meningiomas are rare and may be easily confused with malignant neoplasms. We report two unusual cases of epidural spinal meningioma one within the left C6-C7 foramen and the other within the left posterolateral epidural space at the T3-T4 level. Low signal intensity of the tumor on T2-wi, thickening and enhancement of the dura with only the possibility of bone erosion are the most characteristic MR findings.
Insights
Spinal extradural meningiomas are rare tumors that can mimic malignant neoplasms. Characteristic MRI findings include low T2 signal intensity, dural thickening, and enhancement, aiding diagnosis.
Area of Science:
- Neurosurgery
- Oncology
- Radiology
Background:
- Spinal extradural meningiomas are uncommon tumors.
- They can be misdiagnosed as malignant neoplasms due to similar presentations.
Observation:
- Two unusual cases of spinal extradural meningioma are presented.
- One tumor was located within the C6-C7 foramen, and the other in the T3-T4 posterolateral epidural space.
Findings:
- Characteristic MRI findings include low signal intensity on T2-weighted images.
- Dural thickening and enhancement are observed.
- Potential for bone erosion is noted.
Implications:
- These findings aid in differentiating spinal extradural meningiomas from other spinal tumors.
- Accurate diagnosis is crucial for appropriate treatment planning.
- Understanding characteristic MRI features improves diagnostic accuracy for these rare tumors.
