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- W2388045653 abstract "Objective To study the value of 3DSPGR magnetization transfer imaging(MTI) in differentiating brain abscess from necrotic or cystic glioma and metastasis.Methods Conventional MR imaging and MTI of 3DSPGR sequence were performed in seven patients with brain abscess(3 pathologically verified and 4 clinical following-up confirmed),nine patients with necrotic or cystic glioma(confirmed by histopathology),and eight patients with necrotic or cystic metastasis(clinically confirmed) before operations or treatments.Mean magnetization transfer ratio(MTR) cystic and solid parts in abscesses,glioma and metastasis,contralateral normal white matters and cerebrospinal fluid were measured.Results MTRs of cystic and solid parts in all lesions,contralateral normal white matters and cerebrospinal fluid were(0.0803±0.04),(0.2259±(0.03)),(0.3475±0.02),(-0.1546±0.15) respectively.The MTR showed significant differences between cystic parts of all lesions and cerebrospinal fluid(t=8.911,P0.001) and between solid parts in all lesions and contralateral normal white matters(t=-20.208,P0.001).The differences of MTR among cystic area of abscesses,glioma and metastasis was significant(F=37.390,P0.001).There was significant difference between abscesses and necrotic or cystic areas of gliomas or metastases(abscess glioma: P0.001,and abscess metastasis: P0.001),but not between necrotic or cystic areas of gliomas and metastases(P=0.179).The difference of MTR among solid parts of abscesses,glioma and metastasis was not significant.Conclusion The measurement of MTR could play an important role in differentiating brain abscess from necrotic or cystic glioma and metastasis and was an important supplementary tool for routine MRI." @default.
- W2388045653 created "2016-06-24" @default.
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- W2388045653 date "2006-01-01" @default.
- W2388045653 modified "2023-09-22" @default.
- W2388045653 title "Magnetization transfer imaging in differentiating brain abscess from necrotic or cystic neoplasms" @default.
- W2388045653 hasPublicationYear "2006" @default.
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