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• Clinical Article •
Comparatively analysis imaging signs between meningeal primary peripheral primitive neuroectodermal tumor and angiomatous meningioma
LI Wen-yi  LIU Hong  ZHOU Jun-lin  DONG Chi  LIU Jian-li  ZHANG Jing 

DOI:10.3969/j.issn.1674-8034.2014.06.007.


[Abstract] Objective: To compare difference of MRI signs between the meninges primary peripheral primitive neuroectodermal tumor and angiomatous type meningioma.Materials and Methods: Retrospectively analyzed preoperative MRI imaging data of 10 patients meningeal primary primitive neuroectodermal tumors and 15 cases of angiomatous type meningioma pathologically confirmed, comparing the differences of the MRI signs of the two meningeal tumor.Results: In the signs, some are more common in meningeal primary primitive neuroectodermal tumors, such as mixed signals in unenhanced MR, cystic necrosis, inhomogeneous enhancement adjacent bone changes (P<0.05), and some are more common in angiomatous type meningioma such as flowing void effect and peritumoral edema (P<0.05), and others, such as high signal of T2WI, strengthen higher degree of vascular , lobulated , fuzzy brain tumor interface, signs of meningeal tail showed no significant difference (P>0.05).Conclusions: There is difference in MRI signs between meningeal primary primitive neuroectodermal tumor meningioma tumors and angiomatous type meningioma, which is helpful in the differential diagnosis.
[Keywords] Meningeal neoplasms；Neuroectodermal tumors, primitive, peripheral；Tomography, X-ray computed；Magnetic resonance imaging

LI Wen-yi Department of Radiology, Lanzhou University Second Hospital, Lanzhou 730030, China; Department of Imaging, the Fifth Affiliated Hospital of Zunyi Medical University, Zhuhai 519180, China

LIU Hong Department of Radiology, Lanzhou University Second Hospital, Lanzhou 730030, China

ZHOU Jun-lin * Department of Radiology, Lanzhou University Second Hospital, Lanzhou 730030, China

DONG Chi Department of Pathology, Lanzhou University Second Hospital, Lanzhou 730030, China

LIU Jian-li Department of Radiology, Lanzhou University Second Hospital, Lanzhou 730030, China

ZHANG Jing Department of Medical Imaging, General Hospital of Lanzhou Petrochemical Company, lanzhou 730060, China

*Correspondence to: Zhou JL, E-mail: zjl601@163.com

Conflicts of interest   None.

Received  2014-02-27
Accepted  2014-07-31
DOI: 10.3969/j.issn.1674-8034.2014.06.007
DOI:10.3969/j.issn.1674-8034.2014.06.007.

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