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- W2371344376 abstract "Objective The purpose of this study was to determine whether the apparent diffusion coefficient(ADC)in dif- fusion-weighted imaging of MRI was useful for differential diagnosis of benign and malignant musculoskeletal tumors.Meth- ods Thirty-three patients with musculoskeletal tumors underwent 1.5T conventional T1 weighted,T2 weighted,fat-sup- pressed T2 weighted,and dynamic-enhanced 3D Fast SPGR imaging to identify the lesions.Diffusion weighted images of the region of interest(ROI)were acquired by using a SS-EPI sequence with b values of 0 and 700 s/mm~2.The ROIs on the dif- fusion-weighted images were selected as the maximal enhanced areas in the dynamic-enhanced images,and the ADC values were calculated.Results There were 17 benign tumors and 16 malignant tumors.The mean ADC values were(1.54±0.35)×10~(-3)mm~2/s and(1.45±0.45)×10~(-3)mm~2/s for benign tumors and malignant tumors,respectively.The difference was not significant(P0.05).There were 6 cartilaginous tumors and 27 non-cartilaginous tumors.The mean ADC values were (1.94±0.51)×10~(-3)mm~2/s for cartilaginous tumors and(1.41±0.29)×10~(-3)mm~2/s for non-cartilaginous tumors,the difference was significant(P0.05).Five patients with cartilaginous tumors had ADC values higher than 2.0×10~(-3)mm~2/s. Conclusion The ADC values are not useful for differential diagnosis of benign and malignant musculoskeletal tumors.When the ADC value is higher than 2.0×10~(-3)mm~2/s,there is an indication for cartilaginous tumors." @default.
- W2371344376 created "2016-06-24" @default.
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- W2371344376 date "2008-01-01" @default.
- W2371344376 modified "2023-09-28" @default.
- W2371344376 title "Value of apparent diffusion coefficient in MR diffusionweighted imaging for differential diagnosis of benign and malignant musculoskeletal tumors" @default.
- W2371344376 hasPublicationYear "2008" @default.
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