Dataset Information

P16 Overexpression in Sinonasal Squamous Cell Carcinoma: Association with Human Papillomavirus and Prediction of Survival Outcomes.

ABSTRACT: p16 overexpression is often used as a surrogate marker for human papillomavirus (HPV) infection in oropharyngeal squamous cell carcinoma but remains an uncertain diagnostic tool for HPV-related sinonasal squamous cell carcinoma (SNSCC). Our study involved 79 consecutive SNSCC patients who were treated at a tertiary referral university hospital during 2006-2021. We retrospectively examined their clinical characteristics and conducted p16 immunohistochemistry and HPV detection. We found that 12.7% of the patients exhibited p16 overexpression, which was significantly more common in the nasal cavity and increased from 2015 onward. The HPV was a high-risk type and viral loads ranged from 4.2 to 1.6 × 10⁶ copies/ng DNA with genome integration. Five-year overall survival (OS) and five-year relapse-free survival (RFS) rates were 74.6% and 69.9%, respectively. Our multivariate analysis showed that T category (T1-4a) and hemoglobin levels (≥13.7) were significant favorable prognostic factors for OS, while T category, performance status, and p16 overexpression were significantly associated with RFS. In patients with p16 overexpression, OS was 100% and RFS was 90%. Our findings suggest that p16 overexpression is a reliable surrogate marker for transcriptionally active HPV infection and predicts a favorable prognosis.

SUBMITTER: Hirakawa H

PROVIDER: S-EPMC10650892 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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p16 Overexpression in Sinonasal Squamous Cell Carcinoma: Association with Human Papillomavirus and Prediction of Survival Outcomes.

Hirakawa Hitoshi H Ikegami Taro T Touyama Masatomo M Ooshiro Yurika Y Higa Tomoyo T Higa Teruyuki T Agena Shinya S Kinjyo Hidetoshi H Kondo Shunsuke S Kise Norimoto N Tanaka Katsunori K Maeda Hiroyuki H Tamaki Tomoko T Wada Naoki N Suzuki Mikio M

Journal of clinical medicine 20231030 21

p16 overexpression is often used as a surrogate marker for human papillomavirus (HPV) infection in oropharyngeal squamous cell carcinoma but remains an uncertain diagnostic tool for HPV-related sinonasal squamous cell carcinoma (SNSCC). Our study involved 79 consecutive SNSCC patients who were treated at a tertiary referral university hospital during 2006-2021. We retrospectively examined their clinical characteristics and conducted p16 immunohistochemistry and HPV detection. We found that 12.7% ...[more]

PMID: 37959327

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Project description:ImportanceOverall, the prognosis of sinonasal squamous cell carcinoma (SCC) is poor. This malignancy can arise de novo or from inverted papillomas, but it is unclear whether survival differences between the 2 pathologies exist.ObjectiveTo assess for survival differences between patients with sinonasal de novo SCC (dnSCC) and those with inverted papilloma-associated SCC (IPSCC).Data sourcesA search of Ovid MEDLINE, Embase, Scopus, and the Cochrane Library from inception to January 23, 2020, with cross-referencing of retrieved studies, was performed. Additional data were requested from authors.Study selectionInclusion and exclusion criteria were designed to capture studies with survival outcomes of adults with sinonasal SCC who underwent regular treatment. Clinical trials, cohort studies, case-control studies, and case series with more than 10 adults aged 18 years or older with sinonasal SCC were included. Exclusion criteria were studies on non-SCC sinonasal neoplasms, studies without histopathologic diagnoses, non-English language articles, nonhuman animal studies, and abstract-only articles. Two blinded investigators (J.J.L., A.M.P., T.W.E., or N.S.W.) screened each abstract and full text, and a third investigator (J.J.L. or P.P.) adjudicated discrepancies. Of 729 unique citations, 26 studies of 1194 total patients were included.Data extraction and synthesisMeta-Analysis of Observational Studies in Epidemiology (MOOSE) guidelines were followed. The Methodological Index for Nonrandomized Studies (MINORS) criteria were used to assess study quality. Two blinded investigators (J.J.L., A.M.P., T.W.E., or N.S.W.) independently extracted data from each study. Data were pooled using a random-effects model.Main outcomes and measuresThe primary outcome was overall survival, and secondary outcomes were disease-free and disease-specific survival. Before data collection, it was hypothesized that the dnSCC cohort would have worse survival outcomes than the IPSCC cohort.ResultsOne study of patients with dnSCC, 12 studies of patients with IPSCC, and 5 studies with both cohorts were included in the meta-analysis of overall survival. The pooled 5-year overall survival rate for 255 patients with dnSCC was 56% (95% CI, 41%-71%; I2 = 83.8%) and for 475 patients with IPSCC was 65% (95% CI, 56%-73%; I2 = 75.7%). Five comparative studies of both cohorts totaling 240 patients with dnSCC and 155 patients with IPSCC were included in another meta-analysis. The pooled overall survival hazard ratio was 1.87 (95% CI, 1.24-2.84; I2 = 0%).Conclusions and relevanceThis systematic review and meta-analysis found that patients with dnSCC had almost a 2-fold increased risk of mortality compared with those with IPSCC. Large, multicenter studies are necessary to validate these findings before considering treatment alterations such as de-escalation based on histopathology.

Dataset Information

P16 Overexpression in Sinonasal Squamous Cell Carcinoma: Association with Human Papillomavirus and Prediction of Survival Outcomes.

Publications

p16 Overexpression in Sinonasal Squamous Cell Carcinoma: Association with Human Papillomavirus and Prediction of Survival Outcomes.

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