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Metaplastic Breast Carcinoma: a Heterogeneous Disease

  • Gultekin, Melis ;
  • Eren, Gulnihan ;
  • Babacan, Taner ;
  • Yildiz, Ferah ;
  • Altundag, Kadri ;
  • Guler, Nilufer ;
  • Ozisik, Yavuz ;
  • Yazici, Gozde ;
  • Hurmuz, Pervin ;
  • Gurkaynak, Murat
  • Published : 2014.03.30

Abstract

The aim of this study is to evaluate clinicopathologic characteristics and the multi-disciplinary treatment results of metaplastic breast cancer (MBC) patients treated in a single institute. Seventeen female patients with MBC treated in our department between June 2000 and January 2012 were identified and retrospectively evaluated. The median age at diagnosis was 46 years (range, 26-66 years). The median tumor size at diagnosis was 3.5 cm (range 1.5-12 cm). Six (35%) patients underwent breast conservation surgery and 11 (65%) mastectomy. Axillary lymph node metastasis was found in 6 (35%) patients. Twelve (71%) had triple negative tumors. Postoperative RT and systemic adjuvant treatment was given to all patients accordingly to stage and biological characteristics. Median follow-up time was 27 months (range, 12-151 months). At the time of this analysis, 14 (82%) patients were alive with no evidence of disease, and 1 (6%) was alive with disease. The 3-year OS was 91% and 5-year 80%, and DFS rates were 76% and 76%, respectively. Despite the young age of our patients with mostly high grade tumors, larger tumor size and higher rates of lymph node metastasis, the survival outcomes in our study are favorable in comparison with previously reported series.

Keywords

Adjuvant radiotherapy;metaplastic breast cancer;postoperative radiotherapy;prognosis

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