Journal of Digestive Cancer Research

Korean Society of Gastrointestinal Cancer Research (대한소화기암연구학회)
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Esophageal Cancer and Sex Hormones

식도암과 성호르몬

  • Yu Jin Kim (Department of Gastroenterology, Kangnam Sacred Heart Hospital, Hallym University College of Medicine)
  • 김유진 (한림대학교 의과대학 강남성심병원 소화기내과)
  • Received : 2023.08.01
  • Accepted : 2023.08.10
  • Published : 2023.08.20
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Abstract

Globally, esophageal cancer is the seventh most common cancer, and the male-to-female ratio in esophageal adenocarcinoma (EAC) is significantly imbalanced at 4:1 to 8:1. Obesity, reflux, and smoking are known risk factors for this sex difference; however, fully explaining this remains challenging. Studies have investigated the link between exogenous sex hormones and esophageal cancer occurrence. A meta-analysis revealed a lower risk of EAC in female who had undergone hormone replacement therapy. Androgen-deprivation therapy in patients with prostate cancer was associated with a decreased risk of EAC. Tissue-based studies have reported varied results regarding the relationship between estrogen receptor expression and survival in female patients with esophageal squamous cell carcinoma (ESCC). Circulating hormone studies have suggested that higher testosterone and luteinizing hormone levels decreased EAC risk in men, and free testosterone was inversely correlated in female with ESCC. However, a high androgen-estrogen ratio in male patients with EAC was linked to increased odds of EAC. Sex hormones influence carcinogenesis, affecting cell proliferation, differentiation, metabolism, inflammation, and cell death. The studies were limited by the small sample size and varying hormone measurement methods; thus, future studies with definitive conclusions on the association between esophageal cancer and sex hormones are warranted.

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