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자료유형
학술저널
저자정보
저널정보
한국유방암학회 Journal of Breast Cancer Journal of Breast Cancer Vol.17 No.3
발행연도
2014.1
수록면
270 - 278 (9page)

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Purpose: The aim of this study is to describe our initial experiencewith magnetic resonance (MR)-guided biopsy and to determinethe malignancy rate of additional lesions identified by MR only inKorean women with breast cancer. Methods: A retrospective reviewidentified 22 consecutive patients with breast cancer whohad undergone MR-guided vacuum-assisted biopsies (VAB) ofMR-only identified lesions from May 2009 to October 2011.Weevaluated the rate of compliance, the technical success for MRguidedVAB and the MR imaging findings of the target lesions. VAB histology was compared with surgical histology and followupimaging findings. Results: The biopsy recommendations forMR-only identified lesions were accepted in 46.8% (22/47) ofpatients. One of 22 procedures failed due to the target’s posteriorlocation. Among 21 MR-guided VAB procedures, the target lesionswere considered as a mass in 12 cases and a nonmassenhancement in nine cases. VAB histology revealed malignanciesin 14% (3/21) of cases, high-risk lesions in 24% (5/21) andbenign lesions in 62% (13/21). Eleven cases (52%, 11/21) had apositive surgical correlation, and one of them was upgraded fromatypical ductal hyperplasia to invasive ductal carcinoma. In theremaining 10 lesions, follow-up breast ultrasound and mammographywere available (range, 15–44 months; mean, 32.1 months)and did not show suspicious lesions. The final malignancy ratewas 19% (4/21). Conclusion: MR-guided VAB for MR-only identifiedlesions yielded a 19% malignancy rate in Korean womenwith breast cancer. MR-guided VAB helps surgeons avoid an unnecessarywide excision or additional excisional biopsy.

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