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Korean Journal of Clinical Oncology > Article
Korean J Clin Oncol. 2012;8(2): 85-91.         doi: https://doi.org/10.14216/kjco.12022
Sclerosing Adenosis Diagnosed by Needle Biopsy: Potential Safety of Follow-up by Observation Only
Heon Jin Jung1, Won Shik Han1, Hyeong-Gon Moon1, Soo Kyung Ahn1, Ji-Sun Kim1, Dong-Yong Noh1, Jung-Min Chang2, Nariya Cho2, Woo Kyung Moon2, In-Ae Park3, Hee-Chul Shin4
1Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
2Department of Radiology, Chung-Ang University College of Medicine, Seoul, Korea
3Department of Pathology, Chung-Ang University College of Medicine, Seoul, Korea
4Department of Surgery, Chung-Ang University College of Medicine, Seoul, Korea
Corresponding Author: Won Shik Han ,Tel: 02-2072-2318, Fax: 02-766-3975, Email: hanw@snu.ac.kr
Received: September 24, 2012;  Accepted: October 17, 2012.
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Background: The aim of this study was to assess the potential safety of follow up for patients diagnosed with sclerosing adenosis through needle biopsies without additional surgery.
Patients and Methods: From January 1996 to May 2010, 145 lesions in 143 sclerosing adenosis patients who underwent core-needle biopsies (n=118), vacuum-assisted biopsies (n=27) in our institution were followed.
Results: The American College of Radiology Breast Imaging Reporting and Data System (BI-RADS) classification in these patients was as follows: C3 (n=8), C4a (n=123), C4b (n=11), C4c (n=2) and C5 (n=1). After sclerosing adenosis was diagnosed by needle biopsy, 14 patients underwent re-biopsy. Only 1 patient who had BIRAD C5 sonographic features was diagnosed with invasive ductal carcinoma and surrounding ductal carcinoma in situ. The remaining 142 patients received regular medical exam with ultrasonography and/or mammography. 144 lesions’ BI-RADS category were C1 (n=5), C2 (n=107) and C3 (n=32). With the median follow-up period of 40 months, none of the patients developed breast malignancy.
Conclusions: Our study suggests that patients with sclerosing adenosis diagnosed by needle biopsies can be safely followed without additional surgery. However, in case of discordance with images and biopsy result, surgical excision for definite diagnosis is recommended.
Keywords: sclerosing adenosis | core-needle biopsy | excisional biopsy | breast cancer risk
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