Rising incidence of HPV positive oropharyngeal cancer in Taiwan between 1999 and 2014 where betel nut chewing is common

Cheng Ping Wang, Tseng Cheng Chen, Wan Lun Hsu, Jenn Ren Hsiao, Peir Rong Chen, Mu Kuan Chen, Chun Hung Hua, Ming Hsui Tsai, Jenq Yuh Ko, Pei Jen Lou, Chun Ju Chiang, Chen Tu Wu, Yih Leong Chang

研究成果: Article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Background: The incidence of human papillomavirus (HPV) positive oropharyngeal cancer (OPC) is rising but HPV negative OPC is decreasing in Western countries. In Taiwan, the incidence of HPV negative OPC is common but the incidence of HPV positive OPC remains unknown. The objective of this study is to estimate the incidence trend and the survival of HPV positive OPC in Taiwan. Methods: Between 1999 and 2014, primary tumor tissues from 425 incident OPCs were obtained from 5 medical centers in Taiwan. 408 OPCs were evaluated by the EasyChip HPV genotyping (King-Car, I-Lan, Taiwan) and 369 OPCs by p16 staining. The clinical data were retrospectively obtained from the medical records. Results: In our study, 29% of OPCs were HPV positive. The percentage of HPV positive OPC was stable from 1999 to 2014 (25% (1999–2002), 30% (2003–2006), 30% (2007–2010), 29% (2011–2014)). The estimated crude incidence rate of HPV positive OPC increased significantly from 0.62 (1999–2002), 1.06 (2003–2006), 1.52 (2007–2010) to 1.74 (2011–2014) per 100,000 person-year. The sensitivity and specificity of p16 staining for positive HPV infection were 92% and 91%, respectively. The 5-year overall survival rates for patients with HPV positive OPC and with HPV negative OPC were 67.8% and 49.0%, respectively (HR = 0.52 (0.35–0.76), p = 0.0005). Patients with HPV positive OPC but no betel nut/cigarette exposure had the best overall survival (5-year: 88.2%, p < 0.0001). Patients with HPV negative OPC and betel nut/cigarette exposure had the worst overall survival (5-year: 46.6%, p < 0.0001). Patients with HPV positive OPC but also with betel nut/cigarette exposure had poorer 5-year overall survival (48.3%, p < 0.01). Conclusion: The incidence of HPV positive OPC is increasing along with HPV negative OPC, which leads to stably low percentage of HPV positive OPC in Taiwan. HPV positive OPC may become an important head and neck cancer when the incidence of HPV negative OPC declines in the near future. P16 is a useful surrogate marker for HPV infection in OPC and a good prognostic indicator for treatment outcome of OPC. Patients with HPV positive OPC but no betel nut/cigarette exposure has an excellent prognosis. Betel nut/cigarette exposure significantly worsens the prognosis of HPV positive OPC.

原文English
文章編號296
期刊BMC cancer
22
發行號1
DOIs
出版狀態Published - 2022 12月

All Science Journal Classification (ASJC) codes

  • 腫瘤科
  • 遺傳學
  • 癌症研究

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