Sonography of Invasive Apocrine Carcinoma of the Breast in Five Cases
- Affiliations
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- 1Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.
- 2Department of Radiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea. tiger@catholic.ac.kr
- 3Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.
Abstract
OBJECTIVE
To evaluate the sonographic features of invasive apocrine carcinoma (IAC) of the breast.
MATERIALS AND METHODS
This study included five pathologically proven cases of IAC, and their sonographic features were retrospectively analyzed according to the Breast Imaging Reporting and Data System (BI-RADS) lexicon.
RESULTS
All five lesions involved the left breast and were seen as irregularly shaped masses. All lesions, except one, had a parallel orientation to the chest wall. All five lesions showed noncircumscribed margins and heterogeneous echotexture; however, they showed various posterior features. One lesion had edema as an associated feature. Sonographic assessments were classified as BI-RADS category 4 in all five cases.
CONCLUSION
Invasive apocrine carcinoma sonographic findings are difficult to differentiate from those of invasive ductal carcinoma of no special type.