Cancer risk in tuberculosis patients in a high endemic area
Open Access
- 9 June 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in BMC Cancer
- Vol. 21 (1), 1-7
- https://doi.org/10.1186/s12885-021-08391-6
Abstract
Background: Tuberculosis (TB) may facilitate carcinogenesis. We performed a case-control study of the association between TB and cancer in Xinjiang, a high TB endemic area of China. Methods: From January 2016 to December 2018, a total of 45,455 patients hospitalized in Xinjiang Cancer Hospital were consecutively enrolled and divided into a malignant tumor group (n = 32,539) and a benign tumor group (n = 12,916). Patients with active and previous TB before the diagnosis of cancer were retrospectively identified in the two groups. Results: A significantly higher proportion of TB was found in the malignant tumor group (n = 1776, 5.46%) than in the control (benign tumor) group (n = 175, 1.35%) (p < 0.0001). The highest and lowest proportions of TB in the malignant group were in patients with non-Hodgkin’s lymphoma (16.74%) and thyroid cancer (0.77%), respectively. In multivariate analysis adjusting for age, sex, and ethnicity, TB remained an independent risk factor for all cancers (odds ratio (OR) 1.68; 95% confidence interval (CI) 1.43–1.97). Furthermore, TB was associated with a significantly higher risk of non-Hodgkin’s lymphoma, cervical cancer, esophageal cancer, “other” cancers, ovarian cancer, and breast cancer. Moreover, females with TB were more likely to develop cancer than males (p < 0.0001), except for esophageal cancer and lymphoma. Conclusion: TB patients have an elevated cancer risk. A screening strategy for TB should be taken into consideration before treatment in patients with some cancer types that are associated with a high proportion of TB.Keywords
Funding Information
- National Natural Science Foundation (81802362)
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