Breast Cancer

, Volume 7, Issue 4, pp 337–340

Surgery for ductal carcinoma in Situ

Authors

  • Kaoru Takahashi
    • Department of Breast SurgeryCancer Institute Hospital
  • Mitsue Saito
    • Department of Breast SurgeryCancer Institute Hospital
  • Masujiro Makita
    • Department of Breast SurgeryCancer Institute Hospital
  • Takashi Tada
    • Department of Breast SurgeryCancer Institute Hospital
  • Yoshihiro Uchida
    • Department of Breast SurgeryCancer Institute Hospital
  • Masataka Yoshimoto
    • Department of Breast SurgeryCancer Institute Hospital
  • Fujio Kasumi
    • Department of Breast SurgeryCancer Institute Hospital
  • Futoshi Akiyama
    • Department of Breast PthologyCancer Institute
  • Goi Sakamoto
    • Department of Breast PthologyCancer Institute
Panel Discussion II

DOI: 10.1007/BF02966401

Cite this article as:
Takahashi, K., Saito, M., Makita, M. et al. Breast Cancer (2000) 7: 337. doi:10.1007/BF02966401

Abstract

Background

Ductal carcinomasin situ (DCIS) are sometimes treated too aggressively by surgery. We discuss minimal invasive surgery for DCIS on the basis of our experience at the Cancer Institute Hospitel in Tokyo.

Methods

We performed surgery for 667 cases of DCIS between 1987 to 1998. This twelve year period we divided into three periods; 1987–1990, 1991–1994, and 1995–1998.

Results

DCIS comprised 10% of all breast cancers, and tended to increase in incidence over time. The number of minimally invasive procedures such as breast conserving treatment (BCT), surgery without axillary dissection, and day surgery increased in later periods. In BCT for DCIS the surgical margin status is the most important factor, the rate of negative surgical margins was higher in DCIS than invasive cancer, and especially high in cases of mammographically detected nonpalpable cancer, the incidence of which is increasing yearly. The outcome of the 667 cases was very good. No distant metastases were observed, and the incidence of ipsilateral breast cancer (including second primary cancer) in these cases was 5%.

Conclusions

Because small cancers, including nonpalpable cases, will be detected more frequently, minimal invasive surgery will become more common for DCIS.

Key words

Breast cancerDuctal carcinomain situBreast conserving treatment

Copyright information

© The Japanese Breast Cancer Society 2000