Nipple-centered Radiate M PR Images of M DCT　for Evaluation of Breast Cancer Extent ― Correlation with M ammography and Pathologic Specimen ―

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Background & Aims : Evaluation of the extent of breast cancer lesions is important for selecting theappropriate surgical procedure or to determine the surgical margin. We aimed to assess the diagnosticaccuracy of nipple-centered radiate multiplanar reconstruction (NRMPR)images using multidetector rowhelical computed tomography (MDCT), comparing it with conventional mammography. M ethods :Our subjects were 26 breast cancer patients with a total of 29 lesions who sequentially received contrastenhancedMDCT imaging for preoperative evaluation. We measured the maximum diameter of thebreast cancer in the direction toward the nipple on NRMPR images and mammography. All data werecorrelated with histopathological mapping of the specimens. Results : The tumor extent measured onNRMPR images and in pathological examinations ranged from 12.4 to 66.0mm (average, 28.0mm) and10 to 70mm (average, 27.9 mm), respectively. The correlation coefficient of the two measurements was0.898. On mammography, two lesions were not clearly identified. The correlation coefficient ofmammography and pathological measurements was 0.554. Conclusions : The addition of NRMPRimages to mammography provides more information to evaluate breast cancer extension toward thenipple. Potentially, it provides a clue for selecting the appropriate surgical procedure or surgicalresection margin for breast cancer.
北関東医学会の論文