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- W4281293353 abstract "Abstract Brain metastases are seen in 15–40% of patients diagnosed with cancer. We aimed to search the relationship between the T2 hypointensity, diffusion weighted imaging characteristics and the presence and amount of vasogenic edema of Brain metastasis in Magnetic Resonance Imaging (MRI). 292 patients with brain metastasis were included in the study. T2 signals of metastatic lesions, accompanying diffusion restriction and perilesional vasogenic edema findings were investigated. In metastases accompanied by vasogenic edema, the largest dimension of the vasogenic edema-mass complex on T2-weighted sequences and the largest dimension of the mass in contrast-enhanced T1-weighted series were measured and the edema-mass ratio (EMR) was calculated by comparing these two values.The incidence of vasogenic edema was statistically significantly higher in T2 hypointense metastases (89.1% vs 58.8%, χ2 = 18.949, p = < 0.001) and metastases accompanied by diffusion restriction (81% vs 61.5%, χ2 = 6.971, p = 0.008) . EMR value were found to be statistically significantly higher in T2 hypointense metastases (EMR → Z=-4.507, p = < 0.001 ) and metastases with diffusion restriction (EMR → Z=-3.819, p = 0.001 ). The incidence of vasogenic edema and EMR rates were higher in patients in T2 hypointense metastases and metastases accompanied by diffusion restriction in MRI." @default.
- W4281293353 created "2022-05-24" @default.
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- W4281293353 date "2022-05-23" @default.
- W4281293353 modified "2023-09-27" @default.
- W4281293353 title "The Relationship of T2 Hypointensity and Diffusion Restriction of Brain Metastases with the Presence and Amount of Vasogenic Edema in Magnetic Resonance Imaging" @default.
- W4281293353 doi "https://doi.org/10.21203/rs.3.rs-1649107/v1" @default.
- W4281293353 hasPublicationYear "2022" @default.
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