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- W2355641892 abstract "Purpose: To explore the MRI manifestations of cerebral primitive neuroectodermal tumors(PNETs).Materials and Methods: The MRI findings of 5 cases cerebral PNETs proved by histology were analysed retrospectively.All cases were scanned with conventional plain and postcontrast MR sequences and 2 cases plus additional DWI.Results: The tumor located in frontal lobe(4 cases) and temporal(1 case).The tumor mainly involved cortex(4 cases) and deep white matter(1 case).Tumors showed long T1,long or slight long T2 signal intensity in 4 cases and mixed signal intensity in 1 case.DWI showed high signal intensity in the two cases.Four lesions accompanied with cystic change and 2 lesions with bleeding.All the tumors had some extent perifocal edema from obvious(3 cases),medium(1 case) to slight(2 cases),and had chaplet like(3 cases),floccular(1 case) or punctuate(1 case) contrast enhanced.The adjacent bone and meninges were eroded in 2 cases.Conclusion: Cerebral PNETs have some features on MRI,which may help the diagnosis." @default.
- W2355641892 created "2016-06-24" @default.
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- W2355641892 date "2007-01-01" @default.
- W2355641892 modified "2023-09-23" @default.
- W2355641892 title "MRI Diagnosis of Cerebral Primitive Neuroectodermal Tumors" @default.
- W2355641892 hasPublicationYear "2007" @default.
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