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• Clinical Article •
Misdiagnosis of atypical meningioma MRI manifestation analysis
MO Xin  TANG Xiao-li  TAN Chang-lian  CAO Jin-bo  LUAN Hong-xia 

DOI:10.3969/j.issn.1674-8034.2015.04.004.


[Abstract] Objective: To study the relationship between the atypical meningioma of MRI findings and its pathological features, analyze the reasons of misdiagnosis, to improve the diagnostic level.Materials and Methods: MRI findings of 22 cases meningioma confirmed by surgery and pathology were analyzed retrospectively. All cases were performed enhanced MRI.Results: MRI findings of all the 22 cases meningioma were as following: 8 cases were exactly like intracerebral tumors, 8 cases located at uncommon sites, and 6 cases located at conman sites. Fifteen cases showed heterogeneous signal on MRI, 12 cases had invasive boundary. Pathological grade: WHO Ⅰ grade 12 cases, WHO Ⅱ grade 4 cases, WHO Ⅲ grade 6 cases.Conclusions: The reasons for misdiagnosis of meningioma on MRI include complexity of pathological changes, biological characteristics and unexpected locations. A key point of prompting the diagnosis of meningioma is to recognize the atypical findings on MRI combined with the pathological features.
[Keywords] Magnetic resonance imaging；Meningioma；Diagnostic errors；Pathology

MO Xin Department of Radiology, Shenzhen Hospital of the Second Xiangya Hospital of Central South University/Shenzhen Shekou people’s Hospital, Shenzhen 518067, China

TANG Xiao-li* Department of Radiology, Shenzhen Hospital of the Second Xiangya Hospital of Central South University/Shenzhen Shekou people’s Hospital, Shenzhen 518067, China

TAN Chang-lian Department of Radiology, the Second Xiangya Hospital of Central South University, Changsha 410011, China

CAO Jin-bo Department of Radiology, Shenzhen Hospital of the Second Xiangya Hospital of Central South University/Shenzhen Shekou people’s Hospital, Shenzhen 518067, China

LUAN Hong-xia Department of Radiology, Shawan People's Hospital in District of Longgang, Shenzhen 518114, China

*Correspondence to: Tang XL, E-mail: 303175614@qq.com

Conflicts of interest   None.

Received  2014-11-12
Accepted  2015-02-11
DOI: 10.3969/j.issn.1674-8034.2015.04.004
DOI:10.3969/j.issn.1674-8034.2015.04.004.

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