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VAB and MRI Following Percutaneous Ultra-Sound Guided Cryoablation for Primary Early-Stage Breast Cancer: A Pilot Study in Japan

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Journal of Cancer Therapy 2021年第10期12卷 563-576页

作者： Hisanori Kawamoto Koichiro Tsugawa Mariko Takishita Mizuho Tazo Mari Hara Nakano Tomoko Tsuruga Ryoko Oi Takako Kuroda Reiko Yoshie Ayaka Shimo tsuguo iwatani Arata Shimo Yasuyuki Kojima Ai Motoyoshi Ei Haku Yukari Yabuki Akihiko Suto Yoshihide Kanemaki Hidefumi Mimura Ichiro Maeda Mamoru Fukuda Department of Breast Surgery Breast and Imaging Center St. Marianna University School of Medicine Kawasaki-Shi Japan Division of Breast and Endocrine Surgery Department of Surgery St. Marianna University School of Medicine Kawasaki-Shi Japan Department of Radiology St. Marianna University School of Medicine Kawasaki-Shi Japan Department of Pathology St. Marianna University School of Medicine Kawasaki-Shi Japan

Objective: This study aimed to evaluate the feasibility, safety, and cosmetic outcomes of percutaneous cryoablation (PCA) of breast intraductal carcinoma (IDC) lesions, as well as post-cryoablation magnetic resonance imaging (MRI) as a follow-up tool for detection of residual malignancies and local recurrences. Methods: Eight female patients underwent percutaneous ultrasound-guided cryoablation of breast IDC tumors under local anesthesia without subsequent resection. All patients received radiation- and endocrine therapies (RT, ET). The patients were followed using vacuum-assisted biopsy (VAB), mammography (MG), magnetic resonance imaging (MRI), and Moiré Topography for cosmetic outcomes. VAB was performed 6 months following cryoablation treatment for cases 1 and 2 (after starting radiation- and endocrine-therapies) or one month after PCA (cases 3, 4, 5, 6 and 7), prior to RT and ET. One patient declined VAB. Results: Mean age of the patients was 61.9 years, SD 7.7, ages range 53 - 72 years. Mean tumor size was 10.3 mm, SD 2.74, ranged 6.8 - 14.5 mm, median follow-up time was 28 months (range 13 - 34 months). No residual or recurrent malignancies were detected. One minor adverse event was observed: A skin redness in the ablated area;MRI at one-month post-cryotherapy showed various degrees of thermal burns in all patients in the pectoralis major muscle, which were not symptomatic and were resolved by 6 months following PCA. Decrease of fat necrosis areas in the vicinity of ablated ex-tumor was traced with MRI (mean size 54.9 mm, mea

关键词： Breast Cancer Cryosurgery Cryoablation Cryotherapy Day Surgery

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