良性增强寰枕裂孔病变。
Benign Enhancing Foramen Magnum Lesions.
机构信息
From the Department of Radiology (I.T.M., D.B., J.B., N.G.C., D.R.J., S.A.M., P.P.M.), Mayo Clinic, Rochester, Minnesotta
From the Department of Radiology (I.T.M., D.B., J.B., N.G.C., D.R.J., S.A.M., P.P.M.), Mayo Clinic, Rochester, Minnesotta.
出版信息
AJNR Am J Neuroradiol. 2023 Sep;44(9):999-1001. doi: 10.3174/ajnr.A7955. Epub 2023 Aug 3.
Abstract
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.
摘要
良性增强后颅窝病变先前被描述为 T2 高信号的小增强病变，位于硬脊膜内椎动脉的后方。我们报告首例与病理相关的病例。这些病变是附着在副神经上的纤维性结节。虽然它们在随后的检查中会随时间增大，但根据影像学特征和位置，它们不需要手术切除。
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本文引用的文献
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Evaluation of a high-signal lesion posterior to the intracranial vertebral artery using 3D balanced fast-field echo imaging.使用 3D 平衡快速场回波成像评估颅内椎动脉后方的高信号病变。
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Intradural Extramedullary Spinal Neoplasms: Radiologic-Pathologic Correlation.椎管内髓外肿瘤：放射-病理相关性。
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