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Breast conservation surgery versus total mastectomy among women with localized breast cancer in Soweto, South Africa.

Breast conservation surgery versus total mastectomy among women with localized breast cancer in Soweto, South Africa.
Author Information (click to view)

Cubasch H, Joffe M, Ruff P, Dietz D, Rosenbaum E, Murugan N, Chih MT, Ayeni O, Dickens C, Crew K, Jacobson JS, Neugut A,


Cubasch H, Joffe M, Ruff P, Dietz D, Rosenbaum E, Murugan N, Chih MT, Ayeni O, Dickens C, Crew K, Jacobson JS, Neugut A, (click to view)

Cubasch H, Joffe M, Ruff P, Dietz D, Rosenbaum E, Murugan N, Chih MT, Ayeni O, Dickens C, Crew K, Jacobson JS, Neugut A,

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PloS one 2017 08 1012(8) e0182125 doi 10.1371/journal.pone.0182125

Abstract
PURPOSE
Breast conserving surgery (BCS) has become the preferred surgical option for the management of patients with nonmetastatic breast cancer in high-income countries. However, little is known about the distribution and determinants of BCS in low-and middle-income countries, especially those with high HIV prevalence.

METHODS
We compared demographic and clinical characteristics of female patients who received BCS and those who received total mastectomy (TM) for nonmetastatic invasive carcinoma of the breast in Soweto, South Africa, 2009-2011. We also developed a multivariable logistic regression model of predictors of type of surgery.

RESULTS
Of 445 patients, 354 (80%) underwent TM and 91 (20%) BCS. Of 373 patients screened for HIV, 59 (15.8%) tested positive. Eighty-two of 294 patients with stage I/II disease (28%), but just 9 of 151 (6%) with stage III disease had BCS (p<0.001). All women who received BCS (except for seven who received completion mastectomy within 6 weeks of BCS) and 235 (66.4%) women who received TM were referred for radiation therapy (RT). In our multivariable analysis, age group 50-59 years (OR = 2.28, 95% CI = 1.1-4.8) and ≥70 years (OR = 9.55, 95% CI = 2.9-31.2) vs. age group <40 years, stage at diagnosis (stage II (OR = 3.79, 95% CI = 1.6-8.2) and stage III (OR = 27.8, 95% CI = 9.0-78.8) vs. stage 1, HIV (HIV positive (OR = 3.19, 95% CI = 1.3-7.9) vs. HIV negative) and HER2-enriched subtype (OR = 3.50, 95% CI = 1.2-10.1) vs. triple negative were independently associated with TM. CONCLUSION
TM was more common than BCS among patients with nonmetastatic breast cancer in Soweto, not only among patients with locally advanced disease at diagnosis, but also among women with stage I and II disease.

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