<HashMap><database>biostudies-literature</database><scores/><additional><omics_type>Unknown</omics_type><volume>9(5)</volume><submitter>Chen E</submitter><pubmed_abstract>&lt;h4>Background&lt;/h4>Head and neck mucosal melanoma (HNMM) is defined as a rare malignant tumor derived from melanocytes. There is no consensus regarding the treatment protocol for HNMM in elderly patients.&lt;h4>Methods&lt;/h4>The National Cancer Institute's Surveillance, Epidemiology, and End Results database was used to identify elderly patients diagnosed with HNMM from 1975 to 2016. The chi-squared test was used to compare patient characteristics. The reverse Kaplan-Meier method was used to estimate the median follow-up time. The Kaplan-Meier method and log-rank test were used to estimate and compare the overall survival (OS) and disease-specific survival (DSS) of the groups. Cox regression analysis was used to evaluate the risk factors for OS and DSS of HNMM.&lt;h4>Results&lt;/h4>Our retrospective </pubmed_abstract><journal>Annals of translational medicine</journal><pagination>391</pagination><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/S-EPMC8033355</full_dataset_link><repository>biostudies-literature</repository><pubmed_title>Prognostic values of treatment modalities on head and neck mucosal melanomas in elderly patients: a population-based analysis.</pubmed_title><pmcid>PMC8033355</pmcid><pubmed_authors>Wu J</pubmed_authors><pubmed_authors>Liu Z</pubmed_authors><pubmed_authors>Xie F</pubmed_authors><pubmed_authors>Yang S</pubmed_authors><pubmed_authors>Ouyang P</pubmed_authors><pubmed_authors>Chen E</pubmed_authors></additional><is_claimable>false</is_claimable><name>Prognostic values of treatment modalities on head and neck mucosal melanomas in elderly patients: a population-based analysis.</name><description>&lt;h4>Background&lt;/h4>Head and neck mucosal melanoma (HNMM) is defined as a rare malignant tumor derived from melanocytes. There is no consensus regarding the treatment protocol for HNMM in elderly patients.&lt;h4>Methods&lt;/h4>The National Cancer Institute's Surveillance, Epidemiology, and End Results database was used to identify elderly patients diagnosed with HNMM from 1975 to 2016. The chi-squared test was used to compare patient characteristics. The reverse Kaplan-Meier method was used to estimate the median follow-up time. The Kaplan-Meier method and log-rank test were used to estimate and compare the overall survival (OS) and disease-specific survival (DSS) of the groups. Cox regression analysis was used to evaluate the risk factors for OS and DSS of HNMM.&lt;h4>Results&lt;/h4>Our retrospective </description><dates><release>2021-01-01T00:00:00Z</release><publication>2021 Mar</publication><modification>2025-04-04T21:24:42.953Z</modification><creation>2025-04-04T21:24:42.953Z</creation></dates><accession>S-EPMC8033355</accession><cross_references><pubmed>33842612</pubmed><doi>10.21037/atm-20-6021</doi></cross_references></HashMap>