A huge cerebral parenchymal meningioma in sylvian fissure: case report and literature review

被引:0
作者
He, Tianyang [1 ]
Zhang, Zhang [2 ]
Wang, Xiang [3 ]
机构
[1] Sichuan Univ, West China Coll Clin Med, Chengdu 610041, Peoples R China
[2] Sichuan Univ, West China Hosp, Dept Pathol, Chengdu 610041, Peoples R China
[3] Sichuan Univ, West China Hosp, Dept Neurosurg, Chengdu 610041, Peoples R China
关键词
Clear cell meningioma; Differential diagnosis; Dural tail sign; Intraparenchymal; Sylvian fissure; DURAL TAIL SIGN; ATTACHMENT;
D O I
10.1186/s12883-025-04151-2
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background & IntroductionMeningiomas are tumors that originate from non-neuroepithelial progenitor cells, meningothelial cells and the arachnoid cap cells, thus they usually appear with attachment to the dura mater. But sylvian fissure meningiomas are a rare type of meningioma that has no dural attachment.Case presentationA rare case of sylvian fissure meningioma is presented. The patient is a 34-year-old male with headache, and preoperative images showed a massive lesion in his right frontotemporal lobe that had no contact with the dura mater. Postoperative histopathological examination confirmed the diagnosis of a clear cell meningioma, which is a WHO grade 2 atypical meningioma and a rare subtype of meningioma that only accounts for less than 1% of all meningiomas.ConclusionPreoperative diagnosis of sylvian meningiomas can be challenging, leading to inappropriate operation plan and postoperative treatment. Thus, we present this case and a brief review of past cases reported, hoping to improve our understanding of the origin of meningiomas and accuracy in diagnosis of similar lesions.
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页数:8
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