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Imaging Features and Differential Diagnosis of Meningiomas and Their Mimics Emiko CHIBA 1 , Hiroyuki FUJII 1 , Harushi MORI 1 1Department of Radiology, Jichi Medical University Keyword: 髄膜腫 , 硬膜肥厚 , 脳実質外腫瘍 , meningioma , dural thickening , extraparenchymal brain tumor pp.705-717
Published Date 2024/7/10
DOI https://doi.org/10.11477/mf.1436204970
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 Meningiomas are the most common brain tumors, often in the form of extra-axial masses adhering to the dura mater. Although there are typical imaging findings, meningiomas have a wide variety of imaging findings, owing to their different histological subtypes. Thus, it can be difficult to differentiate meningiomas from other diseases that present with similar imaging findings. This section outlines mimickers for monitoring meningiomas that present with imaging findings similar to those of meningiomas. Diseases that form masses and require differentiation from meningiomas include schwannomas, solitary fibrous tumors, dural metastases, and histiocytosis. Diseases that primarily present as dural thickening and require differentiation from meningiomas include hypertrophic duralitis, fungal infections, and IG4-related diseases. Notably, in addition to the various pathologies that can mimic meningiomas, such as those listed above, there are also cases in which the diagnosis of meningioma is difficult because of additional modifications, such as metastasis or meningioma infarction.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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