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See Latest ArticlesMagnetic resonance imaging in size assessment of invasive breast carcinoma with an extensive intraductal component
BMC Medical Imaging , 04/13/09
Van der Velden APS et al. - In a trial to evaluate the accuracy of magnetic resonance imaging (MRI) in size assessment of breast cancer with extensive intraductal component (EIC), it was found that size assessment of MRI imaging was more accurate compared with mammography. This was predominantly true for poorly differentiated EIC.
Methods- 23 pts were identified and the mammographic (n=21) and MR (n=23) images were re-reviewed by a senior radiologist.
- Size on MR images was compared with histopathological tumour extent.
- Correlation of radiological size with histopathological size was r=0.20 in mammography vs r=0.65 in MRI.
- Mammography underestimated histopathological tumour size in 62%.
- MR images over- or underestimated tumour size in 22% and 30% of the cases, respectively.
- In poorly differentiated EIC, MRI adequately estimated the extent more often vs moderately differentiated EIC (60% vs 25%, respectively).
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