Prognostic role of intraparotid lymph node metastasis in primary parotid cancer : Systematic review

Orlando Guntinas-Lichius, Jovanna Thielker, K.Thomas Robbins, Kerry D. Olsen, Ashok R. Shaha, Antti A. Mäkitie, Remco de Bree, Vincent Vander Poorten, Miquel Quer, Alessandra Rinaldo, Luiz Paulo Kowalski, Juan Pablo Rodrigo, Marc Hamoir, Alfio Ferlito

Research output: Contribution to journalReview articleResearchpeer-review

28 Citations (Scopus)

Abstract

Background: The prognostic importance of intraparotid lymph node metastasis (P+) in patients with primary parotid gland carcinoma is unclear. Methods: Nineteen retrospective and noncomparative cohort studies, published between 1992 and 2020, met the inclusion criteria and included 2202 patients for this systematic review. Results: The pooled prevalence of the P in adult patients in the unselected studies was 24.10% (95% confidence interval = 17.95-30.25). The number of P+ lymph nodes per patient was counted in only three studies and ranged from 1 to 11. The 5-year recurrence-free survival rate based on Kaplan-Meier analysis varied from 83% to 88% in P− patients compared to 36% to 54% in P+ patients. The average hazard ratio for tumor recurrence in patients with P+ compared to P− was 2.67 ± 0.58. Conclusions: P+ is an independent negative prognostic factor in primary parotid gland cancer and should be included into the treatment planning.
Original languageEnglish
Pages (from-to)997-1008
Number of pages12
JournalHead and Neck
Volume43
Issue number3
DOIs
Publication statusPublished - 2021

Keywords

  • Clinical significance
  • Intraparotid lymph node metastasis
  • Nodal metastasis
  • Prevalence
  • Primary parotid cancer
  • Survival

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