Masahiro Yoshida, Ryo-Ichi Yoshimura, Ryoichi Notake, Hidenori Shinjo, Kazunori Miyaura, Takashi Kuwayama, Takashi Kawanaka, Tadahiko Shien, Kotaro Yoshio, Toshiko Shiga, Yuko Kaneyasu, Tsuyoshi Nakagawa, Kazunori Kubota, Seigo Nakamura, Jun Itami
BACKGROUND: A Japanese multi-institutional prospective study was initiated to investigate the effectiveness and safety of accelerated partial breast irradiation (APBI) using strut-adjusted volume implant (SAVI) brachytherapy, with subjects registered between 2016 and 2021. Herein, we report the preliminary results on the feasibility of this treatment modality in Japan, focusing on the registration process, dosimetry, and acute toxicities. PATIENTS AND METHODS: Primary registration was conducted before breast-conserving surgery (BCS) and the eligibility criteria included the following: age ≥ 40 years, tumor unifocal and unicentric, ≤ 3 cm in diameter, cN0M0, proven ductal, mucinous, tubular, medullary, or lobular carcinoma by needle biopsy...
October 21, 2023: Breast Cancer: the Journal of the Japanese Breast Cancer Society