Breast Cancer

, Volume 7, Issue 4, pp 337–340 | Cite as

Surgery for ductal carcinoma in Situ

  • Kaoru Takahashi
  • Mitsue Saito
  • Masujiro Makita
  • Takashi Tada
  • Yoshihiro Uchida
  • Masataka Yoshimoto
  • Fujio Kasumi
  • Futoshi Akiyama
  • Goi Sakamoto
Panel Discussion II

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 cancer Ductal carcinomain situ Breast conserving treatment 

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References

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    Takahashi K, Hayashi T, Saito M,et al: Day surgery for breast cancer.Nippon Rinsho 58:545–550, 2000 (in Japanese).PubMedGoogle Scholar
  2. 2).
    Takahashi K, Hayashi T, Saito M,et al: Breastcnserving treatment for ductal carcinoma in situ (DCIS) and surgical margin status.Jpn J Breast Cancer 14:332–336, 1999 (in Japanese with English abstract).Google Scholar
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    Silverstein MJ, Lagios MD, Craig PH,et al: A prognostic index for ductal carcinoma in situ of the breast.Cancer 77:2267–2274, 1996.PubMedCrossRefGoogle Scholar
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    Takahashi K, Saito M, Makita M,et al: Breast conserving treatment without radiotherapy.Jpn J Cancer Clin 46:645–649, 2000 (in Japanese with English abstract).Google Scholar

Copyright information

© The Japanese Breast Cancer Society 2000

Authors and Affiliations

  • Kaoru Takahashi
    • 1
  • Mitsue Saito
    • 1
  • Masujiro Makita
    • 1
  • Takashi Tada
    • 1
  • Yoshihiro Uchida
    • 1
  • Masataka Yoshimoto
    • 1
  • Fujio Kasumi
    • 1
  • Futoshi Akiyama
    • 2
  • Goi Sakamoto
    • 2
  1. 1.Department of Breast SurgeryCancer Institute HospitalJapan
  2. 2.Department of Breast PthologyCancer InstituteJapan

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