Volume 117, Issue 6 pp. 1137-1143
RESEARCH ARTICLE

Characteristics and long-term survival of patients diagnosed with pure tubular carcinoma of the breast

Éric Poirier MD, FRCSC

Corresponding Author

Éric Poirier MD, FRCSC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Chirurgie, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

Correspondence

Éric Poirier, MD, FRCSC, Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec, 1050 chemin Ste-Foy, Quebec City, QC, Canada.

Email: [email protected]

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Christine Desbiens MD, FRCSC

Christine Desbiens MD, FRCSC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Chirurgie, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

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Brigitte Poirier MD, FRCSC

Brigitte Poirier MD, FRCSC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Chirurgie, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

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Dominique Boudreau MD, FRCSC

Dominique Boudreau MD, FRCSC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Chirurgie, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

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Simon Jacob MD

Simon Jacob MD

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de biologie moléculaire, biochimie médicale et pathologie, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

Service de Pathologie, Hôpital du St-Sacrement, CHU de Québec, Quebec City, QC, Canada

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Julie Lemieux MD, MSc, FRCPC

Julie Lemieux MD, MSc, FRCPC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Médecine, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

Centre universitaire d'hématologie et d'oncologie de Québec, Quebec City, QC, Canada

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Catherine Doyle MD, FRCPC

Catherine Doyle MD, FRCPC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Médecine, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

Centre universitaire d'hématologie et d'oncologie de Québec, Quebec City, QC, Canada

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Caroline Diorio PhD

Caroline Diorio PhD

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

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Jean-Charles Hogue PhD

Jean-Charles Hogue PhD

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

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Louise Provencher MD, MA, FRCSC

Louise Provencher MD, MA, FRCSC

Centre des Maladies du Sein Deschênes-Fabia, Hôpital du Saint-Sacrement, CHU de Québec − Université Laval, Quebec City, QC, Canada

Axe Oncologie, Centre de Recherche du CHU de Québec − Université Laval, Quebec City, QC, Canada

Département de Chirurgie, Université Laval, Pavillon Ferdinand-Vandry, Quebec City, QC, Canada

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First published: 04 December 2017
Citations: 13

Abstract

Background and Objectives

Pure tubular carcinomas (TC) of the breast are generally considered to have an excellent prognosis. This study aimed to analyze the characteristics and survival of patients with TC.

Methods

This was a retrospective study conducted at the CHU de Québec—Université Laval. Databases were searched for all cases treated between April 1997 and December 2010. Survival was retrieved from the Province of Quebec Ministry of Health. Follow-up was censored on December 31, 2011. Overall survival (OS) was compared to patients with invasive ductal carcinoma (ICD) matched for age, tumor size, lymph node involvement, year of diagnosis, ER, PgR, and HER2, histological grade, lymphovascular invasion, and chemotherapy.

Results

The frequency of TC was 2.9% (n = 223/7563). Tumors size was 7.4 ± 8.8 mm, without lymphovascular invasion (95.1%), ER-positive (98.2%), PgR-positive (69.5%), and HER2-negative (100%). Patients were followed up for 7.1 ± 2.7 years. The actuarial 13-year OS was 89.0% for TC, compared to 85.8% for IDC (P = 0.13). For TC, the 13-year OS was 95.8% in NO patients compared to 90.0% for N1-3 (P = 0.01).

Conclusion

Despite the general popular belief that patients with TC fare better than patients with IDC, the 13-year OS of TC was similar to that of grade I IDC.

CONFLICTS OF INTEREST

All authors declare no conflict of interest with the work presented in this manuscript.

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