Enhancing area surrounding breast carcinoma on MR mammography: comparison with pathological examination |
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Authors: | Email author" target="_blank">M?Van GoethemEmail author K?Schelfout E?Kersschot C?Colpaert I?Verslegers I?Biltjes W?A?Tjalma J?Weyler A?De Schepper |
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Institution: | (1) Department of Radiology, University Hospital Antwerp, Wilrijkstraat 10, 2650 Edegem, Belgium;(2) Department of Pathology, University Hospital Antwerp, Antwerpen, Belgium;(3) Department of Radiology, OLV Hospital, Aalst, Belgium;(4) Department of Gynaecology and Gynaecological Oncology, University Hospital Antwerp, Antwerpen, Belgium;(5) Department of Epidemiology and Social Medicine, University Antwerp, Antwerpen, Belgium |
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Abstract: | The enhancing area surrounding breast carcinoma on MR mammography is correlated with findings from pathological examination. We studied 194 patients with breast cancer who underwent preoperative MR mammography. Of all malignant lesions presenting with an enhancing surrounding area on MR mammography, morphologic features including long spicules, a ductal pattern, diffuse enhancement or nodules were evaluated and compared with histopathological examination. A double breast coil was used; we performed a 3D FLASH sequence with contiguous coronal slices of 2 mm, before and after injection of 0.2 mmol/kg GD-DTPA, and subtraction images were obtained. In total, 297 malignant lesions were detected at MR mammography and 101 of them had one or more types of enhancing surrounding area. In 49 of the 53 cancers with long spicules and in 49 of the 55 cancers with surrounding ductal pattern of enhancement, pathological examination showed in situ and/or invasive carcinoma. Multiple nodules adjacent to the carcinoma were seen in 20 patients and corresponded with six cases of invasive and ten cases of ductal in situ carcinoma. A diffuse enhancing area next to a mass was seen in ten patients and consisted of carcinoma in all cases: seven in situ and three invasive carcinomas. Enhancing areas including long spicules, a ductal pattern, noduli, or diffuse enhancement surrounding a carcinoma corresponded with in situ or invasive extension of the carcinoma in 92.5, 89, 80 and 100% of cases, respectively. |
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Keywords: | Breast cancer Extent MR mammography Surroundings |
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