Survival benefit for adjuvant radiation therapy in minor salivary gland cancers

Youssef Zeidan, Leonid Pekelis, Yi An, Floyd Christopher Holsinger, Christina S. Kong, Daniel T. Chang, Quynh Thu Le

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Objectives: The goal of the current study is to investigate the role of adjuvant radiation therapy (adjuvant RT) in minor salivary gland tumors (mSGT) using an established national database. Methods: The Surveillance, Epidemiology, and End Results (SEER) database was used to identify patients treated with or without adjuvant RT for mSGT from 1988 to 2008. Regression analyses were performed to identify factors associated with improved overall survival (OS). Results: Most tumors were located within the oral cavity (75%) followed by nasal cavity/paranasal sinuses (15%). Multivariate Cox analysis showed that adjuvant RT was associated with better OS compared to surgery alone. Using logistic regression analysis, we provide a novel web based tool for predicting survival impact of adjuvant RT in patients with mSGT. Conclusions: Adjuvant RT is associated with improved survival in patients with mSGT and adverse clinicopathologic factors such as advanced T/N category, adenoid cystic histology, high grade, and nasopharynx location.

Original languageEnglish (US)
Pages (from-to)438-445
Number of pages8
JournalOral Oncology
Volume51
Issue number5
DOIs
StatePublished - 2015

Keywords

  • Head and neck
  • Minor salivary gland
  • Postoperative
  • Radiotherapy
  • SEER
  • Survival

ASJC Scopus subject areas

  • Oncology
  • Oral Surgery
  • Cancer Research

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