1Department of Radiology, Chungnam National University Hospital, Korea. med20@cnuh.co.kr 2Department of Pathology, Chungnam National University Hospital, Korea. 3Department of Radiology, Bucheon St. Mary's Hospital, Korea.
Published online: June 30, 2012.
ABSTRACT
Metaplastic carcinoma of the breast is rare. We report a case in a 53-year-old woman who presented with a rapidly-growing breast mass. The lesion had a complex echogenicity in ultrasonography and a high signal intensity in a T2-weighted image with rim enhancement in contrast-enhanced MR images. The PET/CT images showed high uptake for the lesion. The lesion was biopsied and found to be a metaplastic carcinoma with an adenomyoepithelioma component. Although metaplstic carcinoma was difficult to differentiate from other common breast cancers, it showed complex echogenicity on ultrasonography and high signal intensity on a T2 weighted image with rim enhancement on contrast-enhanced MR images.
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