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Head Neck ; 41(8): 2625-2635, 2019 08.
Article in English | MEDLINE | ID: mdl-30905082

ABSTRACT

BACKGROUND: We aimed to investigate the prognostic role of examined (dissected) lymph nodes (ELNs), negative LNs (NLNs), and positive (metastatic) LNs (PLNs) counts and LN ratio (LNR = PLNs/ELNs×100) in patients with major salivary gland cancer (SGC). METHODS: Data were retrieved for major SGC patients diagnosed between 1988 and 2011 from Surveillance, Epidemiology, and End Results program. RESULTS: We have included 5446 patients with major SGC. Most patients had parotid gland cancer (84.61%). Patients having >18 ELNs, >4 PLNs, and >33.33% LNR were associated with a worse survival. Moreover, older age, male patients, grade IV, distant stage, unmarried patients, submandibular gland cancer, and received chemotherapy but not received surgery were significantly associated with a worse survival. CONCLUSIONS: We demonstrated that patients with >18 ELNs and >4 PLNs counts, and >33.33% LNR were high-risk group patients. We strongly suggest adding the ELNs and PLNs counts and/or LNR into the current staging system.


Subject(s)
Lymph Nodes/pathology , Lymphatic Metastasis , Neoplasm Staging/methods , Salivary Gland Neoplasms/pathology , Adult , Female , Humans , Kaplan-Meier Estimate , Male , Middle Aged , Prognosis , Proportional Hazards Models , Salivary Gland Neoplasms/mortality
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