Distant metastasis is a critical mode of failure for patients with localized major salivary gland tumors treated with surgery and radiation

Moses Tam, Nadeem Riaz, Lucas Resende Salgado, Daniel E. Spratt, Evangelia Katsoulakis, Alan Ho, Luc G.T. Morris, Richard Wong, Suzanne Wolden, Shyam Rao, Nancy Lee

Research output: Contribution to journalArticle

Abstract

Objectives: Excellent local-regional control can be achieved for major salivary gland tumors treated with surgery and postoperative radiotherapy. We evaluated the cumulative incidence and predictors of distant metastasis in high-risk major salivary gland tumors. Methods: Between 1990 and 2011, 200 patients with major salivary gland tumors received postoperative radiotherapy at our center. The patients' median age was 60 years. Patients had primary tumors of the parotid gland (84 %), submandibular (16 %), and one sublingual gland. Among the patients, 34 % had T3-T4 tumors, 32 % had nodal involvement. Other high-risk features included close/positive margins and high-grade tumors. The median RT dose was 63 Gy. Results: With a median follow-up of 50 months, the 5-year local control and regional control were 88 and 94 %, respectively. The 5-year freedom from distant metastasis was 73 %. The median overall survival was 14.6 years corresponding to a 5- and 10-year overall survival of 77 and 59 %, respectively. T category and nodal involvement were independent predictors of distant metastasis. Nodal involvement was also an independent predictor of overall survival. Conclusions: Distant relapse was the predominant mode of failure despite excellent local-regional control in high-risk major salivary gland tumors. Both advanced T category and nodal involvement were independent predictors of distant metastasis. More effective systemic therapy is needed to combat distant relapse.

Original languageEnglish (US)
Pages (from-to)285-291
Number of pages7
JournalJournal of Radiation Oncology
Volume2
Issue number3
DOIs
StatePublished - Jan 1 2013
Externally publishedYes

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Glandular and Epithelial Neoplasms
Radiation
Neoplasm Metastasis
Survival
Radiotherapy
Sublingual Gland
Recurrence
Neoplasms
Parotid Gland
Incidence
Therapeutics

Keywords

  • Distant metastasis
  • Major salivary gland tumors
  • Parotid gland
  • Radiation therapy
  • Systemic therapy

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging

Cite this

Distant metastasis is a critical mode of failure for patients with localized major salivary gland tumors treated with surgery and radiation. / Tam, Moses; Riaz, Nadeem; Salgado, Lucas Resende; Spratt, Daniel E.; Katsoulakis, Evangelia; Ho, Alan; Morris, Luc G.T.; Wong, Richard; Wolden, Suzanne; Rao, Shyam; Lee, Nancy.

In: Journal of Radiation Oncology, Vol. 2, No. 3, 01.01.2013, p. 285-291.

Research output: Contribution to journalArticle

Tam, M, Riaz, N, Salgado, LR, Spratt, DE, Katsoulakis, E, Ho, A, Morris, LGT, Wong, R, Wolden, S, Rao, S & Lee, N 2013, 'Distant metastasis is a critical mode of failure for patients with localized major salivary gland tumors treated with surgery and radiation', Journal of Radiation Oncology, vol. 2, no. 3, pp. 285-291. https://doi.org/10.1007/s13566-013-0107-6
Tam, Moses ; Riaz, Nadeem ; Salgado, Lucas Resende ; Spratt, Daniel E. ; Katsoulakis, Evangelia ; Ho, Alan ; Morris, Luc G.T. ; Wong, Richard ; Wolden, Suzanne ; Rao, Shyam ; Lee, Nancy. / Distant metastasis is a critical mode of failure for patients with localized major salivary gland tumors treated with surgery and radiation. In: Journal of Radiation Oncology. 2013 ; Vol. 2, No. 3. pp. 285-291.
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AU - Katsoulakis, Evangelia

AU - Ho, Alan

AU - Morris, Luc G.T.

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