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- W2365361505 abstract "Objective To analyze the cause of MRI misdiagonsis in mammary lesion and seek ideal diadynamic criteria for elevating diagnosis specificity and accuracy of MR imaging. Methods MR images and histological results of 14 patients with mammary lesion and misdiagnosed before operation were analyzed retrospectively. MRI scanning sequences included T1WI,T2WI,STIR,DWI (b=1 000 s/mm2) and VIBRANT enhanced MRI. Results Eleven patients with benign lesion were misdiagnosed as malignant disease (BI-RADS:Ⅳ grade 5 cases,Ⅴgrade 6 cases). Of the 11 cases,7 were mastopathy,2 were intraductal papilloma and 2 were fibroadenoma. The ADC (apparent diffusion coefficient) value was greater than 1.01×10-3 mm2/s in 10 cases,only in 1 case was less than 1.01×10-3 mm2/s. Three patients with malignant lesion were misdiagnosed as benign lesion (BI-RADS:Ⅱ grade 1 case,Ⅲ grade 2 cases). The ADC value was less than 1.01×10-3 mm2/s in all these 3 cases. Conclusions Overlapping morphological and dynamic MR imaging features may occur in some of the benign and malignant lesions,and may induce misdiagnosis. DWI has merits in the qualitative diagnosis of mammary lesion and may increase the diagnostic value of dynamic contrast-enhanced MR images." @default.
- W2365361505 created "2016-06-24" @default.
- W2365361505 creator A5000173793 @default.
- W2365361505 date "2009-01-01" @default.
- W2365361505 modified "2023-09-23" @default.
- W2365361505 title "Analysis of MRI misdiagnosis in malignant or benign mammary lesions" @default.
- W2365361505 hasPublicationYear "2009" @default.
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