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Columnar cell lesions of the breast: Mammographic and US features

 Min Jung Kim  ;  Eun-Kyung Kim  ;  Ki Keun Oh  ;  Byeong-Woo Park  ;  Haeryoung Kim 
 European Journal of Radiology, Vol.60(2) : 264-269, 2006 
Journal Title
 European Journal of Radiology 
Issue Date
OBJECTIVES: Columnar cell lesions are being encountered with increasing frequency in breast biopsies performed. The purpose of our study was to determine whether columnar cell lesions of the breast have any distinctive imaging characteristics. MATERIALS AND METHODS: We retrospectively reviewed our institutional database for all records of breast pathology obtained in a 17-month period. Columnar cell lesion was diagnosed in 53 lesions and 12 of these 53 lesions contained columnar cell lesions as the sole histopathologic findings. These 12 lesions in nine patients made up our study population. They included columnar cell change (n=4), columnar cell hyperplasia (n=5), and columnar cell hyperplasia with atypia (n=3). RESULTS: All nine patients underwent mammography and sonography within 1 month of each other. Of the mammograms in nine patients, nine lesions (75%) appeared as clustered amorphous or indistinct (n=5), fine pleomorphic (n=3), or round (n=1) microcalcifications. The tenth lesion showed a focal mass without microcalcifications and the remaining two lesions showed no abnormal findings. At sonography, not-circumscribed masses were depicted in six lesions and microcalcifications were visible in four lesions, of which three lesions were concurrent with masses. There were no sonographically focal lesions in the remaining five. Overall 11 lesions were classified as BI-RADS category 4 (92%) and one as category 3. Of the three lesions with atypia, two were classified as category 4a and one was classified as category 4c, and they showed no distinct imaging appearance from those without atypia. CONCLUSION: Columnar cell lesions usually present as nonpalpable, clustered indeterminate or suspicious microcalcifications on mammography. They are indistinguishable from other causes of suspicious microcalcifications such as atypical ductal hyperplasia or ductal carcinoma in situ and require needle biopsy or excisional biopsy for diagnosis.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실)
Yonsei Authors
김민정(Kim, Min Jung) ORCID logo https://orcid.org/0000-0003-4949-1237
김은경(Kim, Eun-Kyung) ORCID logo https://orcid.org/0000-0002-3368-5013
박병우(Park, Byeong Woo) ORCID logo https://orcid.org/0000-0003-1353-2607
오기근(Oh, Ki Keun)
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