Immediate breast reconstruction surgery for breast cancer: current status and future directions

  1. Tadahiko Shien
  2. Hiroko Nogi
  3. Akiko Ogiya
  4. Makoto Ishitobi
  5. Chikako Yamauchi
  6. Ayaka Shimo
  7. Kazutaka Narui
  8. Naomi Nagura
  9. Hirohito Seki
  10. Kaori Terata
  11. Miho Saiga
  12. Tatsuya Uchida
  13. Shinsuke Sasada
  14. Teruhisa Sakurai
  15. Naoki Niikura
  16. Hiroki Mori
  17. the Japanese Breast Cancer Society’s Collaborative Study Group of Scientific Research
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Abstract

Background

Immediate breast reconstruction (IBR) has become increasingly recognized in Japan as an important component of breast cancer care, improving patients’ quality of life after mastectomy. While the adoption of IBR is growing, the reconstruction rate in Japan remains lower than in Western countries. To clarify the current practice and challenges, the Japanese Breast Cancer Society (JBCS) conducted a nationwide survey.

Methods

We conducted a comprehensive web-based questionnaire survey among all JBCS-certified institutions between December 2020 and February 2021. The survey assessed institutional capabilities, surgical techniques, decision-making criteria for BR, and the integration of adjuvant therapy.

Results

A total of 429 institutions responded, with 72.5% offering BR and 61.7% capable of providing immediate reconstruction. Nipple-sparing mastectomy (NSM) was performed at 73.7% of institutions offering reconstruction. Multidisciplinary conferences with plastic surgeons were held at 70.5% of institutions. Approximately 30% of institutions discontinued IBR if sentinel lymph node metastases were detected intraoperatively, and 62.8% avoided recommending IBR for patients likely to require postoperative radiation therapy. In 94% of institutions, BR did not cause delays in the administration of adjuvant chemotherapy. However, 15% of institutions modified their radiation therapy approach in reconstructed patients. Additionally, 27% of physicians still believed that BR could negatively affect prognosis.

Conclusions

The survey confirmed that IBR is widely performed and feasible in Japan. However, institutional differences, limited access to plastic surgeons, and persistent misconceptions remain significant barriers. Strengthening multidisciplinary collaboration and establishing standardized guidelines will help improve BR rates and patient outcomes in Japan.

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  1. Version published to 10.1007/s12282-025-01723-5
  2. Version published to 10.21203/rs.3.rs-6043888/v1 on Research Square