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Oropharyngeal squamous cell carcinoma

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https://www.readbyqxmd.com/read/28933005/human-papillomavirus-in-oropharyngeal-squamous-cell-carcinoma-in-south-eastern-norway-prevalence-genotype-and-survival
#1
Guro Haugen Fossum, Agnes Kathrine Lie, Peter Jebsen, Lars Erik Sandlie, Jon Mork
The objectives of this study were to assess the prevalence of high-risk human papillomavirus (HR HPV) and survival in all oropharyngeal cancer (OPSCC) patients in a Norwegian population cohort in 2010-2011. Clinical data were retrieved from hospital records. Biopsies from 166 patients were tested for the presence of HR HPV by qualitative polymerase chain reaction (qPCR). p16 immunohistochemistry was performed in 138 cases. Survival was compared between groups of patients with tumors positive for HPV16 and other HR HPV genotypes, and patients with HPV negative tumors...
September 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28929544/computed-tomographic-appearance-of-canine-tonsillar-neoplasia-14-cases
#2
Florence Thierry, Maurizio Longo, Evi Pecceu, Davide D Zani, Tobias Schwarz
The palatine tonsil is an uncommon site of oral canine neoplasia. For affected tonsils, squamous cell carcinoma is the most frequent type of neoplasia, followed by melanoma and lymphoma. Computed tomography (CT) is increasingly used for investigation of canine oropharyngeal pathology; however, limited information is available on the CT appearance of tonsillar neoplasms. Objectives of this retrospective descriptive case series were to characterize the CT features of canine tonsillar neoplasia and determine whether specific CT features differentiate nonneoplastic from neoplastic tonsils...
September 19, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28928286/hpv-integration-in-hnscc-correlates-with-survival-outcomes-immune-response-signatures-and-candidate-drivers
#3
Lada A Koneva, Yanxiao Zhang, Shama Virani, Pelle B Hall, Jonathan B McHugh, Douglas B Chepeha, Gregory Wolf, Thomas E Carey, Laura S Rozek, Maureen A Sartor
The incidence of human papillomavirus (HPV)-related oropharynx cancer has steadily increased over the past two decades, and now represents a majority of oropharyngeal cancer cases. Integration of the HPV genome into the host genome is a common event during carcinogenesis that has clinically-relevant effects if the viral early genes are transcribed. Understanding the impact of HPV integration on clinical outcomes of head and neck squamous cell carcinoma (HNSCC) is critical for implementing de-escalated treatment approaches for HPV-positive HNSCC patients...
September 19, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28912282/apparent-diffusion-coefficient-histograms-of-human-papillomavirus-positive-and-human-papillomavirus-negative-head-and-neck-squamous-cell-carcinoma-assessment-of-tumor-heterogeneity-and-comparison-with-histopathology
#4
T de Perrot, V Lenoir, M Domingo Ayllón, N Dulguerov, M Pusztaszeri, M Becker
BACKGROUND AND PURPOSE: Head and neck squamous cell carcinoma associated with human papillomavirus infection represents a distinct tumor entity. We hypothesized that diffusion phenotypes based on the histogram analysis of ADC values reflect distinct degrees of tumor heterogeneity in human papillomavirus-positive and human papillomavirus-negative head and neck squamous cell carcinomas. MATERIALS AND METHODS: One hundred five consecutive patients (mean age, 64 years; range, 45-87 years) with primary oropharyngeal (n = 52) and oral cavity (n = 53) head and neck squamous cell carcinoma underwent MR imaging with anatomic and diffusion-weighted sequences (b = 0, b = 1000 s/mm(2), monoexponential ADC calculation)...
September 14, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28894823/the-benefit-of-adjuvant-radiation-in-surgically-treated-t1-2-n1-oropharyngeal-squamous-cell-carcinoma
#5
Marcus M Monroe, Luke O Buchmann, Jason P Hunt, Ying J Hitchcock, Shane Lloyd, Mia Hashibe
IMPORTANCE: The benefit of adjuvant radiation in surgically treated T1-2N1 oropharyngeal cancer without adverse pathologic features remains unclear. OBJECTIVES: To compare population-level survival outcomes in surgically-treated T1-2N1 oropharyngeal squamous cell carcinoma (OPSCC) with and without the use of adjuvant radiation. STUDY DESIGN: Retrospective population-based study using the Surveillance, Epidemiology, and End Results (SEER) registry data from 1998-2011...
April 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28894817/emerging-insights-into-recurrent-and-metastatic-human-papillomavirus-related-oropharyngeal-squamous-cell-carcinoma
#6
REVIEW
Farhoud Faraji, David W Eisele, Carole Fakhry
OBJECTIVE: To review recent literature on human papillomavirus-related (HPV-positive) oropharyngeal squamous cell carcinoma (OPC) and focus on implications of recurrent and metastatic disease. METHODS: Primary articles from 1990 to 2016 indexed in MEDLINE (1) pertaining to the epidemiology of HPV-positive OPC and (2) providing clinical insight into recurrent and metastatic OPC. RESULTS: The incidence of HPV-positive OPC is increasing globally...
February 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28891195/prevalence-of-synchronous-bilateral-tonsil-squamous-cell-carcinoma-a-retrospective-study
#7
Malene Sine Rokkjaer, Tejs Ehlers Klug
OBJECTIVES: The prevalence of synchronous bilateral tonsil cancer remains unexplored. To date, only 38 cases have been described in the literature. With an aim to substantiate the Danish recommendation of performing bilateral tonsillectomy in patients with suspected or proven tonsil cancer and in patients with cervical carcinoma metastasis from an unknown primary tumour, the current study was undertaken to determine the prevalence of synchronous bilateral tonsil cancer. DESIGN: A retrospective review of all patients diagnosed with tonsil cancer in the period 2000-2015, Aarhus University Hospital, Denmark, was performed...
September 11, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28886357/a-retrospective-volume-matched-analysis-of-the-submental-artery-island-pedicled-flap-as-compared-to-the-forearm-free-flap-is-it-a-good-alternative-choice-for-the-reconstruction-of-defects-of-the-oral-cavity-and-oropharynx
#8
Nawaf Aslam-Pervez, Steven J Caldroney, Amal Isaiah, Joshua E Lubek
PURPOSE: The submental artery island pedicled flap (SMIF) is an underused alternative for reconstruction of head and neck defects after tumor ablation. The purpose of this study was to perform a comparative evaluation of reconstructive outcomes based on surgical site and ablative defect volume in patients who underwent reconstruction with the SMIF versus the forearm free flap (FFF). MATERIALS AND METHODS: A retrospective cohort study of all patients with oral cavity and oropharyngeal defects reconstructed with the SMIF and a cohort of patients with similar volume defects reconstructed with the FFF were compared for oncologic safety and viability of equivalent reconstructive outcomes...
August 12, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28881665/hpv-associated-differential-regulation-of-tumor-metabolism-in-oropharyngeal-head-and-neck-cancer
#9
Young-Suk Jung, Abdo J Najy, Wei Huang, Seema Sethi, Michael Snyder, Wael Sakr, Gregory Dyson, Maik Hüttemann, Icksoo Lee, Rouba Ali-Fehmi, Silvia Franceschi, Linda Struijk, Harold E Kim, Ikuko Kato, Hyeong-Reh Choi Kim
HPV-positive oropharyngeal cancer patients experience significantly lower locoregional recurrence and higher overall survival in comparison with HPV-negative patients, especially among those who received radiation therapy. The goal of the present study is to investigate the molecular mechanisms underlying the differential radiation sensitivity between HPV-negative and HPV-positive head and neck squamous cell carcinoma (HNSCC). Here, we show that HPV-negative HNSCC cells exhibit increased glucose metabolism as evidenced by increased production of lactate, while HPV-positive HNSCC cells effectively utilize mitochondrial respiration as evidenced by increased oxygen consumption...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878842/efficacy-of-ezh2-inhibitory-drugs-in-human-papillomavirus-positive-and-human-papillomavirus-negative-oropharyngeal-squamous-cell-carcinomas
#10
Cameron D Lindsay, Morris A Kostiuk, Jeff Harris, Daniel A O'Connell, Hadi Seikaly, Vincent L Biron
BACKGROUND: Head and neck squamous cell carcinoma (HNSCC) is the sixth most prevalent cancer worldwide with rates of HPV-positive oropharyngeal squamous cell carcinoma (OPSCC) dramatically increasing. The overexpression of enhancer of zeste homolog 2 (EZH2), a histone methyltransferase responsible for the trimethylation at lysine 27 of histone 3 (H3K27me3), is associated with a poor clinical prognosis and aggressive HPV-positive phenotypes. METHODS: We utilized three EZH2 pathway inhibitors, GSK-343, DZNeP, and EPZ-5687, and tested their efficacy in two HPV-positive and two HPV-negative OPSCC cell lines...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28877058/nonuniform-distribution-of-high-risk-human-papillomavirus-in-squamous-cell-carcinomas-of-the-oropharynx-rethinking-the-anatomic-boundaries-of-oral-and-oropharyngeal-carcinoma-from-an-oncologic-hpv-perspective
#11
Elise Gelwan, Ian-James Malm, Armen Khararjian, Carol Fakhry, Justin A Bishop, William H Westra
The oral cavity and oropharynx have historically been viewed as a single anatomic compartment of the head and neck. The practice of combining the oral cavity and oropharynx has recently been revised, largely owing to the observation that human papillomavirus (HPV)-related carcinogenesis has a strong predilection for the oropharynx but not the oral cavity. The purpose of this study was to determine whether HPV is evenly distributed across squamous cell carcinomas of the oropharynx including those sites that do not harbor tonsillar tissues such as the soft palate...
September 4, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28865970/-description-of-the-gortec-2017-03-study-postoperative-stereotactic-radiotherapy-for-early-stage-oropharyngeal-and-oral-cavity-cancer-with-high-risk-margin-phrc-k-16-164
#12
J Biau, J Miroir, C Millardet, N Saroul, N Pham-Dang, S Racadot, F Huguet, F Kwiatkowski, B Pereira, J Bourhis, M Lapeyre
The GORTEC 2017-03-Stereo-postop study is a phase 2, multicentric, nationwide study, funded by the hospital clinical research program (PHRC). The sponsor is Centre Jean-Perrin in Clermont-Ferrand, in partnership with the GORTEC. The principal investigators are Dr J Biau and Dr M Lapeyre. The main objective is to study severe late toxicity of postoperative stereotactic radiotherapy (6×6Gy) for early stage oropharyngeal and oral cavity cancer with high risk margins. The secondary objectives include acute toxicity, efficacy, nutritional impact and quality of life...
August 30, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28861601/the-role-of-high-risk-human-papillomavirus-infections-in-laryngeal-squamous-cell-carcinoma
#13
REVIEW
Claus Wittekindt, Nora Wuerdemann, Stefan Gattenlöhner, Alexander Brobeil, Malgorzata Wierzbicka, Steffen Wagner, Jens Peter Klußmann
The contribution of human papillomavirus (HPV) to the development and clinical outcome of oropharyngeal cancers has been well documented. The association of HPV in laryngeal squamous cell carcinoma (LSCC) has been examined in several studies, but controversy exists regarding its role in carcinogenesis, the outcome of the patients and thus, clinical significance of HPV testing in LSCC. In this review, we give an update of known associations between HPV-positive testing and carcinogenesis in laryngeal cancer...
August 31, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28856441/toll-like-receptor-5-and-7-expression-may-impact-prognosis-of-hpv-positive-oropharyngeal-squamous-cell-carcinoma-patients
#14
Lauri Jouhi, Hesham Mohamed, Antti Mäkitie, Satu Maria Remes, Caj Haglund, Timo Atula, Jaana Hagström
A large subset of oropharyngeal squamous cell carcinomas (OPSCCs) is associated with HPV infection and has better outcome than non-viral-related tumors. Various malignancies also carry a role for TLRs, key activators of inflammation and innate immunity. We examined the expression of TLRs in OPSCC, and their association with HPV status and treatment outcome. TLR 5, 7, 9, and p16 were studied by immunohistochemistry and HPV status was detected with in situ hybridization in 202 tumors of consecutively treated OPSCC patients using tissue microarray method...
August 30, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28841898/heavy-alcohol-drinking-downregulates-aldh2-gene-expression-but-heavy-smoking-up-regulates-sod2-gene-expression-in-head-and-neck-squamous-cell-carcinoma
#15
Dong Jin Lee, Hyung Min Lee, Jin Hwan Kim, Ii Seok Park, Young Soo Rho
BACKGROUND: This study aims to determine the relationship between expression levels of ALDH2 and SOD2 genes and clinical parameters such as alcohol drinking, tobacco smoking, primary site of HNSCC, and human papilloma virus (HPV) state. METHODS: Gene expression data were obtained from gene expression omnibus (GEO accession number: GSE65858). Clinical data (N = 270) including survival result, gender, age, TNM stage, primary site of HNSCC, HPV status, alcohol drinking, and tobacco smoking habit were analyzed according to gene expression pattern...
August 25, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28840766/immunohistochemical-and-molecular-imaging-biomarker-signature-for-the-prediction-of-failure-site-after-chemoradiation-for-head-and-neck-squamous-cell-carcinoma
#16
Gregers Brünnich Rasmussen, Katrin E Håkansson, Ivan R Vogelius, Jacob H Rasmussen, Jeppe T Friborg, Barbara M Fischer, Lisa Schumaker, Kevin Cullen, Marianne H Therkildsen, Søren M Bentzen, Lena Specht
OBJECTIVE: To identify a failure site-specific prognostic model by combining immunohistochemistry (IHC) and molecular imaging information to predict long-term failure type in squamous cell carcinoma of the head and neck. PATIENT AND METHODS: Tissue microarray blocks of 196 head and neck squamous cell carcinoma cases were stained for a panel of biomarkers using IHC. Gross tumor volume (GTV) from the PET/CT radiation treatment planning CT scan, maximal Standard Uptake Value (SUVmax) of fludeoxyglucose (FDG) and clinical information were included in the model building using Cox proportional hazards models, stratified for p16 status in oropharyngeal carcinomas...
August 25, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28833184/effect-of-postoperative-radiotherapy-in-pt1pn1cm0-and-pt2p-cn0cm0-oropharyngeal-squamous-cell-carcinoma
#17
Lorenz Kadletz, Gregor Heiduschka, Axel Wolf, Anna Haug-Lettenbichler, Lukas Poyntner, Thomas Primosch, Hermann Rogatsch, Michael Formanek, Matthias Stadler, Lukas Kenner, Hans E Eckel, Markus Brunner
OBJECTIVES/HYPOTHESIS: Consulting of patients with oropharyngeal carcinoma, classified as pT1pN1cM0 and pT2p/cN0cM0, about postoperative radiotherapy is a precarious task as data are lacking. The aim of this study was to evaluate the effects of postoperative radiotherapy for patients with intermediate-stage oropharyngeal carcinoma. STUDY DESIGN: Multicentric retrospective study. METHODS: This analysis was conducted at seven Austrian institutions and included data of patients treated between 2000 and 2012...
August 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28833146/trismus-surgical-release-and-free-flap-reconstruction-after-radiation-therapy-in-oral-and-oropharyngeal-squamous-cell-carcinoma
#18
Alba de Pablo, Yu-Ting Chen, Jyh-Kwei Chen, Chung-Kan Tsao
BACKGROUND AND OBJECTIVES: This study aims to review our experience in trismus release followed by free flap reconstruction after radiotherapy in oral and oropharyngeal cancer, describe the results obtained in long-term follow-up and identify possible predictors of outcome. METHODS: Patients' demographics, tumor characteristics and treatment where retrieved. Surgical release and reconstructive procedures were detailed. Interincisor distances (IIDs) where measured preoperatively (PO-IID), intraoperatively after release (IO-IID) and in the last follow-up (FU-IID)...
August 22, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28818106/morphoproteomics-e6-e7-in-situ-hybridization-and-biomedical-analytics-define-the-etiopathogenesis-of-hpv-associated-oropharyngeal-carcinoma-and-provide-targeted-therapeutic-options
#19
Robert E Brown, Syed Naqvi, Mary F McGuire, Jamie Buryanek, Ron J Karni
BACKGROUND: Human papillomavirus (HPV) has been identified as an etiopathogenetic factor in oropharyngeal squamous cell carcinoma. The HPV E6 and E7 oncogenes are instrumental in promoting proliferation and blocking differentiation leading to tumorigenesis. Although surgical intervention can remove such tumors, the potential for an etiologic field effect with recurrent disease is real. A downstream effector of E7 oncoprotein, enhancer of zeste homolog 2 (EZH2), is known to promote proliferation and to pose a block in differentiation and in turn, could lead to HPV-induced malignant transformation...
August 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28815780/prognostic-significance-of-e-cadherin-and-%C3%AE-catenin-expression-in-hpv-negative-oropharyngeal-squamous-cell-carcinomas
#20
Juana M García-Pedrero, Patricia García-Cabo, M Ángeles Villaronga, Francisco Hermida-Prado, Rocío Granda-Díaz, Eva Allonca, Juan P Rodrigo
BACKGROUND: The purpose of this work was to investigate the prognostic significance of E-cadherin and β-catenin expression in surgically treated human papillomavirus (HPV)-negative patients with oropharyngeal squamous cell carcinoma (SCC). METHODS: Consecutive patients with oropharyngeal SCC who underwent surgical treatment between 1990 and 2009 were retrospectively collected. Immunohistochemical analysis of E-cadherin and β-catenin expression was performed on tissue microarrays...
August 17, 2017: Head & Neck
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