Foramen magnum meningioma | Radiology Case - Radiopaedia.org
At the foramen magnum anteriorly, there is an extra-axial mass with low signal intensity on T1 weighted images and mildly hyperintense on T2/FLAIR weighted images. The mass reveals homogeneous enhancement on post-contrast injection with dural tail. There is significant mass …
仅显示来自 radiopaedia.org 的搜索结果Meningioma: foramen magnum | Radiology Case - Radiopaedia.…
Right anterolateral foramen magnum mass compresses the cervico-medullary junction and upper cervical cord and mostly displaces the righ…
Foramen magnum meningioma – upfront radiosurgery
2024年4月6日 · A 55-year-old woman was found to have a right foramen magnum lesion, most likely a meningioma, after undergoing a magnetic resonance imaging (MRI) for new-onset vertigo, later attributed to benign …
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Meningioma: foramen magnum | Radiology Case - Radiopaedia.org
Right anterolateral foramen magnum mass compresses the cervico-medullary junction and upper cervical cord and mostly displaces the right vertebral artery towards the midline. Exhibits iso …
Benign Enhancing Foramen Magnum Lesions: Clinical …
2017年4月1日 · SUMMARY: Intradural extramedullary foramen magnum enhancing lesions may be due to meningioma, nerve sheath tumor, aneurysm, or meningeal disease. In this clinical report of 14 patients, we describe a novel …
Foramen magnum meningiomas represent a common histological tumor in a rare and eloquent location. The authors review the clinical presentation, relevant anatomical details of the …
Foramen magnum/petroclival meningioma - Radiology …
2024年4月6日 · Residual tumor was left at the foramen magnum, where the vertebral artery was encased by the tumor. Postoperatively, she developed a right hypoglossal nerve palsy. Follow-up imaging demonstrated rapid regrowth of …
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Gamma knife radiosurgery of meningiomas involving the foramen …
The foramen magnum is the site of tumor origin in 1.8–3.2% of intracranial meningiomas and constitutes approximately 6.5% of posterior cranial fossa meningiomas.[1,2] The first …
Foramen magnum meningiomas | Eurorad
2008年6月4日 · Among all the meningiomas, only 1.8 to 3.2% arises at the foramen magnum (FM). The first case of meningioma arising at the FM was observed by Halopeau in 1872. Their indolent development at the craniospinal …
Foramen magnum meningiomas - PubMed
The foramen magnum meningioma (FMM) is one of most challenging tumors among all the meningiomas because of its distinctive location, clinical course, insidious onset, and the …
Meningioma - foramen magnum | Radiology Case - Radiopaedia.org
Well-defined broad-based extra-dural mass at the foramen magnum lateralized to the right, compressing and displacing the bulbomedullary junction to the left. It elicits an isosignal to the …