Unraveling the Obesity Paradox: Exploring the Impact of Body Weight on Cutaneous Melanoma Prognosis in Asian Population

Overview

Journal Diabetes Metab Syndr Obes

Publisher Dove Medical Press

Specialty Endocrinology

Date 2024 Oct 25

PMID 39449863

Authors

Po-Yu Chu

Kuan-Po Lien

Kuan-Cheng Chen

Cheng-Yuan Li

Jai-Sing Yang

Tien-Hsiang Wang

Yu-Jen Chiu

Affiliations

Soon will be listed here.

Abstract

Background: Obesity has been identified as a significant risk factor for various diseases, including certain cancers; however, its association with melanoma remains a subject of debate. Despite the increasing incidence of cutaneous melanoma in Taiwan, there has been limited research on its correlation with obesity. This study aims to investigate the relationship between obesity and the prognosis of cutaneous melanoma in Taiwan.

Methods: Between January 1, 2000, and December 31, 2022, 201 patients were diagnosed with cutaneous melanoma at our hospital, with 61.69% of them diagnosed with acral melanoma. Data on body weight, height, tumor stages and prognosis were collected and analyzed.

Results: The result revealed that older age (≥ 65 years old), male, advanced Breslow thickness stage (T3 and T4) and tumor ulceration were identified as risk factors for worse overall survival in both cutaneous melanoma and acral melanoma. In the adjusted multivariable analysis, being overweight was considered a protective factor in both cutaneous and acral melanoma.

Conclusion: Contrary to expectations, it was observed that melanoma patients with obesity exhibited better survival rates compared to those with normal or underweight status. Additionally, no significant differences were found between acral melanoma and non-acral melanoma subtypes regarding the impact of body weight on overall survival.

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