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Oropharyngeal HPV Detection Techniques in HPV-associated Head and Neck Cancer Patients.

HPV 相关头颈癌患者的口咽 HPV 检测技术。

  • 影响因子:1.90
  • DOI:10.21873/anticanres.14170
  • 作者列表:"Eggersmann TK","Baumeister P","Kumbrink J","Mayr D","Schmoeckel E","Thaler CJ","Dannecker C","Jeschke U","Nagler T","Mahner S","Sharaf K","Gallwas JKS
  • 发表时间:2020-04-01
Abstract

BACKGROUND/AIM:The incidence of human papilloma virus (HPV)-related head and neck squamous cell carcinoma (HNSCC) has been increasing in the last decades. Analysis of oral brushing or rinsing samples for screening or stratification could potentially improve screening and prevention. PATIENTS AND METHODS:Oral brushes and mouthwashes were taken from 20 patients with HPV-associated HNSCC before definite therapy. HPV genotyping was performed for the detection of 14 high-risk HPV subtypes and correlated to DNA isolated from tumor tissue. RESULTS:Ten of 20 patients were tested HPV positive by using either method. There was a significant correlation between macroscopic visibility of tumor and positive HPV detection (p<0.001) and HPV detection and tumor size (p<0.001). HPV was detected in all macroscopically visible tumors. Half of the HPV cases who had macroscopically invisible tumors were missed by both methods. CONCLUSION:Both techniques are limited in the detection of macroscopically non-visible and small tumors. Therefore, the application of these techniques for screening or diagnosis of HNSCC is not recommended.

摘要

背景/目的: 人乳头瘤病毒 (HPV) 相关的头颈部鳞状细胞癌 (HNSCC) 的发病率在过去的几十年里一直在增加。分析口腔刷牙或冲洗样本进行筛查或分层可能潜在地改善筛查和预防。 患者与方法: 20 例 HPV 相关性 HNSCC 患者在接受明确治疗前,均服用口腔刷子和漱口水。对 14 种高危型 HPV 亚型进行 HPV 基因分型检测,并与肿瘤组织分离的 DNA 进行相关性分析。 结果: 20 例患者中 10 例采用两种方法检测 HPV 阳性。肿瘤肉眼可见与 HPV 检测阳性有显著相关性 (p<0.001),HPV 检测与肿瘤大小有显著相关性 (p<0.001)。在所有肉眼可见的肿瘤中检测到 HPV。两种方法都漏诊了一半肉眼看不见肿瘤的 HPV 病例。 结论: 两种技术在检测肉眼不可见和小肿瘤方面均有局限性。因此,不推荐应用这些技术筛查或诊断 HNSCC。

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影响因子:2.65
发表时间:2020-01-29
来源期刊:BMJ open
DOI:10.1136/bmjopen-2019-031602
作者列表:["Wendland EM","Kops NL","Comerlato J","Horvath JDC","Bessel M","Sperb D","Pimenta C","de Souza FMA","Mendes Pereira GF","Falcetta FS"]

METHODS:INTRODUCTION:Human papillomavirus (HPV) is the most common sexually transmitted infection and is associated with several types of cancer. The number of cases of HPV-associated head and neck squamous cell carcinomas (HNSCCs), especially oropharyngeal carcinomas, has increased significantly in recent years despite decreased tobacco smoking rates. Currently, no data concerning the risk factors and prevalence of HPV in HNSCC patients in all regions of Brazil are available, making it difficult to promote advances in this field of public health. Therefore, our goal is to determine the impact of infection by HPV, including HPVs with different genotypes, on head and neck cancer and the risk factors associated with the development of head and neck cancer in all regions of Brazil. METHODS AND ANALYSIS:This is a case-control study that will include 622 patients and 622 controls from all regions of Brazil. A questionnaire will be applied to gather information on sociodemographic, behavioural and health factors. Oral, cervical or penile/scrotal, and anal specimens and serum samples will be collected from all participants. Formalin-fixed paraffin-embedded tissue from tumour biopsies will be analysed only in the case group. Molecular and serological analyses will be performed to evaluate the presence and role of HPV in the development of head and neck cancer. ETHICS AND DISSEMINATION:This project was approved by the research ethical committee of the proposing institution (Hospital Moinhos de Vento, number 2.852.060). Ethical approval from the collaborators is currently under evaluation and is not yet complete. The results of this study will be presented at meetings with the Brazilian Ministry of Health through technical reports and to the scientific community at national and international events, with subsequent publication of scientific articles.

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影响因子:2.60
发表时间:2020-01-21
来源期刊:Head &amp; neck
DOI:10.1002/hed.26063
作者列表:["Soldera EB","Ortigara GB","Bonzanini LIL","Schulz RE","Danesi CC","Antoniazzi RP","Linhares Ferrazzo K"]

METHODS:BACKGROUND:Factors related to head and neck cancer and the treatment of the disease can affect quality of life. The aim of this study was to determine factors associated with the severity of impact on oral health-related quality of life (OHRQoL) in survivors of head and neck cancer using a multivariate analysis. METHODS:This cross-sectional study evaluated 90 volunteers who had completed radiotherapy at least 3 months earlier. OHRQoL was assessed using oral health impact profile (OHIP-14) and the data were analyzed using robust variance poisson regression models. RESULTS:The mean total OHIP-14 score was 23.98 ± 12.55. Patients with hyposalivation had 56% higher (worse) mean OHIP-14 total scores (CI:1.11-2.18) and patients with advanced stage tumors had 31% higher mean OHIP-14 total scores (CI:1.03-1.66) in multivariate analyses. CONCLUSION:OHRQoL of survivors of head and neck cancer experienced a negative impact following radiotherapy. The impact was associated with hyposalivation and advanced stage tumors.

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影响因子:1.62
发表时间:2020-01-22
DOI:10.4317/medoral.23335
作者列表:["Ramos-Vega V","Venegas Rojas B","Donoso Torres W"]

METHODS:BACKGROUND:To immunohistochemically evaluate the association between the presence of cancer-associated fibroblasts (CAFs) and the tumour expression of podoplanin (PDPN) in head and neck squamous cell carcinoma (HNSCC) and their association with clinicopathological variables. MATERIAL AND METHODS:A tissue microarray (TMA) with biopsy sections from patients diagnosed with HNSCC was stained with antibodies against the CAFs marker, α-smooth muscle actin (α-SMA), and PDPN. We subsequently evaluated their expression to determine the association between them and with clinicopathological variables including age, primary tumour site, TNM stage, and tumour differentiation grade. RESULTS:Positive reaction to α-SMA was observed in the tumour stroma, revealing spindle-shaped cells compatible with CAFs, which showed a high expression in 62% of cases and a significant association with laryngeal carcinomas, advanced clinical stages, and lower tumour differentiation (P ≤ 0.05). PDPN staining on tumour cells showed low expression in 72% of cases, and it was not associated with any clinicopathological variable or with the presence of CAFs. CONCLUSIONS:The presence of CAFs in the tumour stroma is related to an aggressive phenotype and could increase as the disease progresses, although based on our findings, it would have no relationship, at least directly, with the expression of PDPN.

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