Effect of surgical treatment for anorectal melanoma: a propensity score-matched analysis of the Surveillance, Epidemiology, and End Results programme data.

ABSTRACT:

Objective

Anorectal melanoma (AM) is a rare but aggressive tumour with limited information in the existing literature. This study aimed to assess the effect of surgical treatment for AM and predict the prognosis of affected patients.

Design

A retrospective cohort study.

Setting

Data of patients diagnosed with AM between 1975 and 2016 in the USA were collected from the Surveillance, Epidemiology, and End Results (SEER) database.

Participants

This study enrolled a total of 795 patients with AM from the SEER database and the validation cohort comprised 40 patients with AM enrolled from Chinese institutes.

Primary and secondary outcome measures

Overall survival (OS) and AM-specific survival (AM-SS).

Results

A total of 795 patients with AM diagnosed be

SUBMITTER: Lei X 

PROVIDER: S-EPMC9024256 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature