Breast Surgery Outcomes in various hospitals in Singapore

Effect of Breast Conservation Therapy vs Mastectomy on Disease-Specific Survival for Early-Stage Breast Cancer

Breast Surgery Outcomes

Published on: January 15, 2014
Author: Agarwal et al
Centre: Department of Surgery, University of Michigan

Published data on Breast Conservation Rates for Breast Cancer in Singapore

Author Centre n Characteristics %BCT
Chuwa National Cancer Centre Singapore (2002-2003) 767(total) Symptomatic
Screen detected
Stage 0-IV
Wang Changi General Hospital(2002-2008) 761 Symptomatic
Screen detected
Stage 0-IV
Chang NUH (1990-2007) 2449 Stage 0-IV 29.2%
Woon TTSH (2000-2002) 389 Stage I & II 39.1%
Sim National Cancer Centre Singapore/Singapore General Hospital (2001-2010) 5130 All 29.2%


1. Chuwa, EW, Yeo AW, Koong HN et al. Early detection of breast cancer through population-based mammographic screening in Asian women: a comparison study between screen detected and symptomatic breast cancer. Breast J 2009:15:133-139

2. Wang WV, Tan SM, Chow WL. The impact of mammographic breast cancer screening in Singapore: a comparison between screen-detected and symptomatic women. Asian Pacific J Cancer Prev 2011;12:2735-2740.

3. Chang GH, Chan CW, Hartman M. A commentary on delayed presentation of breast cancer in Singapore. Asian Pacific J Cancer Prev 2011;12:1635-1639.

4. Woon YY, Chan MYP. Breast conservation surgery-the surgeon factor. The Breast 2005;14:131-135.

5. Sim Y, Tan VK, Ho GH et al. Contralateral prophylactic mastectomy in an Asian population: a single institution review. Breast 2014;23:56-62.

Comparison of Published data on Sentinel lymph node procedures for Breast Cancer in Southeast Asia

Author Centre SLN Identification SLN false negative Comments
Lyman G, et al American Society of Clinical Oncology Greater than 85% Less than 5% Guideline rates should be met before abandoning axillary dissection as standard of care
Yong WS et al Singapore General Hospital 86% 16.7% False negative rate too high
Ang CH, et al Tan Tock Seng Hospital, Singapore 91.5% 13-34% Axillary dissection abandoned before achieving guideline requirements for false negative rates
Namwongprom S, et al Chiang Mai University 91.4% 30.8% Self-reported high false negative rates


1. Lyman G, Giuliano AE, Somerfield MR, et al. American Society of Clinical Oncology guideline recommendations for Sentinel Lymph Node Biopsy in Early-Stage Breast Cancer. J Clin Oncol 2005;23(30):7703-7720.

2. Yong WS, Wong CY, Lee JSY, Soo KC, Tan PH, Goh ASW. Single institution’s initial experience with sentinel node biopsy in breast cancer patients. ANZ J. Surg 2003;73:416-421.

3. Malycha P. Commentary on reference (2). Sentinel lymph node biopsy. ANZ J. Surg 2003;773:370-371.

4. Ang CH, Tan MY, Teo C, Seah DW, Chen JC, Chan MYP, Tan EY. Blue dye is sufficient for sentinel lymph node biopsy in breast cancer. Br J Surg 2014; doi: 10.1002/bjs.9390

5. Namwongprom S, et al. Breast lymphoscintigraphy for sentinel lymph node identification in breast cancer with clinically-negative axillary nodes. Singapore Med J 2005;46(12):688-692.

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