Jing Zhang1, Guangcong Liu2, Xiaoli Cui1, Huihui Yu3, Danbo Wang4. 1. Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China. 2. Department of Epidemiology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning province, China. 3. Department of Cancer Prevention and Treatment, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, 110042, Liaoning province, China. 4. Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, No.44 Xiaoheyan Road, Shenyang, 110042, Liaoning province, China. wangdanbo@cancerhosp-ln-cmu.com.
Abstract
BACKGROUND: Multicentric intraepithelial lesions of the lower genital tract (multicentric lesions) were defined as intraepithelial lesions of two or three sites within cervix, vagina, and vulva occurring synchronously or sequentially. The characteristics of multicentric lesions has been poorly understood. This study aimed to evaluate the risk factors for multicentric lesions, including specific HPV genotypes. METHODS: A retrospective case-control study was performed involving patients histologically diagnosed with multicentric lesions between January 2018 and October 2019. Controls were patients histologically diagnosed with single cervical intraepithelial neoplasia (CIN) and admitted during the same period. Univariable and multivariable analyses were used to assess the risk factors for multicentric lesions. RESULTS: Of 307 patients with multicentric lesions, the median age was 50 years (interquartile range: 43-55.5), and they were older than patients with single CIN (median age: 43 years, interquartile range: 36-50). In the multicentric lesion group, the proportions of cytologic abnormalities, HPV positivity, and multiple HPV infections were 68.9, 97.0, and 36.5%, respectively. In the multivariable analysis, menopause, a history of malignant tumors beyond the lower genital tract and multiple HPV infections were associated with the incidence of multicentric lesions (Odd ratio (OR) = 3.14, 95% confidence interval (CI) 2.24-4.41; OR = 9.58, 95% CI 1.02-89.84; OR = 1.47, 95% CI 1.03-2.10). The common HPV genotypes were HPV16, HPV53, HPV58, HPV52, HPV51, HPV56 and HPV18 in patients with multicentric lesions. The proportion of HPV16 infection was higher in high-grade lesions group than that in low-grade lesions group (OR = 2.54, 95% CI 1.34-4.83). The OR for multicentric lesions, adjusted for menopause, smoking, gravidity, parity, a history of malignant tumor beyond the lower genital tract and multiple HPV infection, was 1.97 (95% CI 1.04-3.75) in patients with HPV51 infection. CONCLUSIONS: Multicentric lesions were associated with menopause, a history of malignant tumors and multiple HPV infections. HPV16 was the most common genotype, especially in high grade multicentric lesions and HPV51 infection was found to be a risk factor for detecting multicentric lesions.
BACKGROUND: Multicentric intraepithelial lesions of the lower genital tract (multicentric lesions) were defined as intraepithelial lesions of two or three sites within cervix, vagina, and vulva occurring synchronously or sequentially. The characteristics of multicentric lesions has been poorly understood. This study aimed to evaluate the risk factors for multicentric lesions, including specific HPV genotypes. METHODS: A retrospective case-control study was performed involving patients histologically diagnosed with multicentric lesions between January 2018 and October 2019. Controls were patients histologically diagnosed with single cervical intraepithelial neoplasia (CIN) and admitted during the same period. Univariable and multivariable analyses were used to assess the risk factors for multicentric lesions. RESULTS: Of 307 patients with multicentric lesions, the median age was 50 years (interquartile range: 43-55.5), and they were older than patients with single CIN (median age: 43 years, interquartile range: 36-50). In the multicentric lesion group, the proportions of cytologic abnormalities, HPV positivity, and multiple HPV infections were 68.9, 97.0, and 36.5%, respectively. In the multivariable analysis, menopause, a history of malignant tumors beyond the lower genital tract and multiple HPV infections were associated with the incidence of multicentric lesions (Odd ratio (OR) = 3.14, 95% confidence interval (CI) 2.24-4.41; OR = 9.58, 95% CI 1.02-89.84; OR = 1.47, 95% CI 1.03-2.10). The common HPV genotypes were HPV16, HPV53, HPV58, HPV52, HPV51, HPV56 and HPV18 in patients with multicentric lesions. The proportion of HPV16infection was higher in high-grade lesions group than that in low-grade lesions group (OR = 2.54, 95% CI 1.34-4.83). The OR for multicentric lesions, adjusted for menopause, smoking, gravidity, parity, a history of malignant tumor beyond the lower genital tract and multiple HPV infection, was 1.97 (95% CI 1.04-3.75) in patients with HPV51 infection. CONCLUSIONS: Multicentric lesions were associated with menopause, a history of malignant tumors and multiple HPV infections. HPV16 was the most common genotype, especially in high grade multicentric lesions and HPV51 infection was found to be a risk factor for detecting multicentric lesions.
Entities:
Keywords:
Genotypes; Human papillomavirus; Multicentric intraepithelial lesions; Prevalence; Risk factors
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