Acute high-dose and chronic lifetime exposure to alcohol consumption and differentiated thyroid cancer: T-CALOS Korea

Yunji Hwang, Kyu Eun Lee, Elisabete Weiderpass, Young Joo Park, Young Jun Chai, Hyungju Kwon, Do Joon Park, Be Long Cho, Ho Chun Choi, Daehee Kang, Sue K. Park

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Background: This study evaluated the effects of acute high-dose and chronic lifetime exposure to alcohol and exposure patterns on the development of differentiated thyroid cancer (DTC). Methods: The Thyroid Cancer Longitudinal Study (T-CALOS) included 2,258 DTC patients (449 men and 1,809 women) and 22,580 healthy participants (4,490 men and 18,090 women) who were individually matched by age, gender, and enrollment year. In-person interviews were conducted with a structured questionnaire to obtain epidemiologic data. Clinicopathologic features of the patients were obtained by chart reviews. Odds ratios (ORs) and 95% confidence intervals (95%CI) were estimated using conditional regression models. Results: While light or moderate drinking behavior was related to a reduced risk of DTC, acute heavy alcohol consumption (151 g or more per event or on a single occasion) was associated with increased risks in men (OR = 2.22, 95%CI = 1.27-3.87) and women (OR = 3.61, 95%CI = 1.52-8.58) compared with never-drinkers. The consumption of alcohol for 31 or more years was a significant risk factor for DTC for both men (31-40 years: OR = 1.58, 95%CI = 1.10-2.28; 41+ years: OR = 3.46, 95%CI = 2.06-5.80) and women (31-40 years: OR = 2.18, 95%CI = 1.62-2.92; 41+ years: OR = 2.71, 95%CI = 1.36-5.05) compared with never-drinkers. The consumption of a large amount of alcohol on a single occasion was also a significant risk factor, even after restricting DTC outcomes to tumor size, lymph node metastasis, extrathyroidal extension and TNM stage. Conclusion: The findings of this study suggest that the threshold effects of acute high-dose alcohol consumption and long-term alcohol consumption are linked to an increased risk of DTC.

Original languageEnglish
Article numbere0151562
JournalPLoS ONE
Volume11
Issue number3
DOIs
StatePublished - Mar 2016

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