Imaging Findings of Benign Enhancing Foramen Magnum Lesions

Antonucci, Michael U.; Spampinato, M.V.

doi:10.3174/ajnr.a5330

Cited by 4 publications

(1 citation statement)

References 4 publications

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“…Antonucci et al [ 3 ] reported a case of the appearance of these lesions on magnetic resonance imaging (MRI) with intravenous contrast and labeled them as maybe venous in etiology. We recently observed the same finding in a 77-year-old woman undergoing a preoperative brain MRI for delineation of tumor extension.…”

Section: Discussionmentioning

confidence: 99%

Evidence for the Vascular Origin of Benign Enhancing Foramen Magnum Lesions via Intraoperative Photographs: Case Report and Review of the Literature

Roßkopf¹,

Schmitz²,

Beer³

et al. 2021

Cureus

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A small, benign enhancing lesion posterior to the intracranial vertebral artery at the foramen magnum is a recently described image-based entity and believed to represent varix or ganglion. We report on an individual who underwent surgery due to a hybrid neurofibroma/schwannoma of the trigeminal nerve and additionally presented a small gadolinium-enhancing lesion in the right spinal canal at the level of the craniocervical junction (CCJ). The intraoperative finding of this enhancing lesion most likely represents the lateral internal vertebral venous plexus which does not require follow up or surgical excision.

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Section: Discussionmentioning

confidence: 99%

Evidence for the Vascular Origin of Benign Enhancing Foramen Magnum Lesions via Intraoperative Photographs: Case Report and Review of the Literature

Roßkopf¹,

Schmitz²,

Beer³

et al. 2021

Cureus

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Venous structures can mimic masses in the foramen magnum

Nayate

2020

Radiology Case Reports

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Benign Enhancing Foramen Magnum Lesions

Mark

Black

Benson

et al. 2023

AJNR Am J Neuroradiol

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Benign enhancing foramen magnum lesions have been previously described as T2-hyperintense small, enhancing lesions located posterior to the intradural vertebral artery. We present the first case with pathologic correlation. These lesions are fibrotic nodules adhering to the spinal accessory nerve. While they can enlarge with time on subsequent examinations, on the basis of the imaging characteristics and location, they do not necessitate surgical resection.

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Imaging Findings of Benign Enhancing Foramen Magnum Lesions

Cited by 4 publications

References 4 publications

Evidence for the Vascular Origin of Benign Enhancing Foramen Magnum Lesions via Intraoperative Photographs: Case Report and Review of the Literature

Evidence for the Vascular Origin of Benign Enhancing Foramen Magnum Lesions via Intraoperative Photographs: Case Report and Review of the Literature

Venous structures can mimic masses in the foramen magnum

Benign Enhancing Foramen Magnum Lesions

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