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J Surg Oncol. 2011 Nov 1;104(6):604-12. doi: 10.1002/jso.21976. Epub 2011 May 25.

Does surgery or radiation therapy impact survival for patients with extrapulmonary small cell cancers?

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  • 1Sylvester Comprehensive Cancer Center, Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA.

Abstract

BACKGROUND AND OBJECTIVES:

Extrapulmonary small cell carcinomas (EPSCC) are rare tumors where therapy remains poorly defined. We sought to determine the impact of surgical extirpation and radiation therapy for outcomes of EPSCC.

METHODS:

The Surveillance, Epidemiology, and End Results (SEER) database was queried for patients with EPSCC which were further categorized by site and evaluated for survival by specific treatment strategy.

RESULTS:

We identified 94,173 patients with small cell carcinoma of which 88,605 (94.1%) and 5,568 (5.9%) had pulmonary small cell carcinoma and EPSCC, respectively. EPSCC patients were subdivided by site with the following proportions: genitourinary (24.1%), gastrointestinal (22.1%), head and neck (7.1%), breast (4%), and miscellaneous (42.7%). Overall EPSSC and specifically gastrointestinal disease had significantly improved median, 5- and 10-year survival with surgery and/or radiation for all stages and sizes. For all EPSCCs multivariate analysis revealed age (>50), gender (female), stage (regional, distant), radiation, and surgery to be independent predictors of survival.

CONCLUSIONS:

Although outcomes for EPSCC remains poor, both surgery and radiation is shown to significantly improve median, 5- and 10-year survival rates. EPSCC patients who are potential candidates for surgical resection or radiation therapy may benefit from these treatments.

Copyright © 2011 Wiley Periodicals, Inc.

[PubMed - indexed for MEDLINE]
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