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- W2354329766 abstract "Objective:To analyze the magnetic resinance(MR) imaging manifestations of glioblastomas and discuss its MR imaging characteristics.Methods: To retrospectively analyze the clinical data and MRI characteristics in 21 cases with glioblastoma proven by surgery and pathology,as well as analyze the tumor location,form,signal,peri-tumoral edema,mass effect and its strengthening features.Results: there were 20 cases where the tumors were located in the cerebral hemisphere,one case where the tumor was located in cerebellar hemisphere,four cases where the tumors across the central line growth.Masses with long T1 and long T2 or mixed signal intensities were showed in 20 cases in MRI,nodular in one case,flow void in 16 cases of the 21 cases with a positive rate of 76.2 %.After contrast administration,the lesions showed irregular ring-like or petal-like enhancement with varied thickness,and the whole lesions or ring wall was the pseudopalisade shape.There were 18 of 19 enhanced cases,which had the pseudopalisade sign,94.7 % for the positive rate,and nodules mild strengthening in one case.Significantly,Peri-tumoral edema and local mass effect was shown in 20 cases,and one case was not obvious.Conclusion: The MR imaging findings of glioblastomas have some speciality in the diagnosis The tumor shows larger size,invading adjacent lobes of the brain,irregular tumors form,heterogeneous signal intensity,cystic degeneration,necrosis,and hemorrhage within the tumor across the central line growth,Marked peri-tumoral edema and mass effect.and especially the pseudopalisade sign and flow void are more characteristic to the diagnosis of glioblastomas." @default.
- W2354329766 created "2016-06-24" @default.
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- W2354329766 date "2012-01-01" @default.
- W2354329766 modified "2023-09-28" @default.
- W2354329766 title "The conventional MRI diagnosis of glioblastomas" @default.
- W2354329766 hasPublicationYear "2012" @default.
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