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Cancer of oropharynx

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https://www.readbyqxmd.com/read/28094212/sparing-of-high-retropharyngeal-nodal-basins-in-patients-with-unilateral-oropharyngeal-carcinoma-treated-with-intensity-modulated-radiation-therapy
#1
Jonathan E Leeman, Stanley Gutiontov, Paul Romesser, Sean McBride, Nadeem Riaz, Nancy Lee, C Jillian Tsai
PURPOSE: The introduction of intensity modulated radiotherapy (IMRT) has facilitated dose painting and sparing of uninvolved/low-risk nodal basins in head and neck cancers. In oropharynx cancer (OPC), the need for elective coverage of uninvolved high contralateral retropharyngeal (RP) nodes and the risk associated with sparing this region remain unclear. We examined outcomes of OPC patients treated with IMRT and omission of contralateral high RP coverage. METHODS AND MATERIALS: We identified 102 OPC patients with cN0-N2b disease treated with definitive IMRT with or without concurrent chemotherapy between 2010 and 2013...
November 11, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28071620/squamous-cell-carcinoma-of-the-oral-cavity-and-oropharynx-in-patients-aged-18-45-years-a-case-control-study-to-evaluate-the-risk-factors-with-emphasis-on-stress-diet-oral-hygiene-and-family-history
#2
K P Dholam, G C Chouksey
BACKGROUND: Increasing incidence of squamous cell carcinoma (SCC) of the oral cavity and oropharynx is reported in young adults. However, there is a paucity regarding etiology and risk factors. AIM: To evaluate the exposure potential carcinogenic factors among a sample aged 45 years and younger, diagnosed with SCC of the oral cavity and oropharynx. METHODOLOGY: Eighty-five case samples aged 18-45 years, diagnosed with SCC of the oral cavity and oropharynx were compared with 85 controls who had never had cancer, matched for age and sex...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28064382/early-assessment-of-feasibility-and-technical-specificities-of-transoral-robotic-surgery-using-the-da-vinci-xi
#3
Philippe Gorphe, Jean Von Tan, Sophie El Bedoui, Dana M Hartl, Anne Auperin, Quentin Qassemyar, Antoine Moya-Plana, François Janot, Morbize Julieron, Stephane Temam
The latest generation Da Vinci(®) Xi™ Surgical System Robot released has not been evaluated to date in transoral surgery for head and neck cancers. We report here the 1-year results of a non-randomized phase II multicentric prospective trial aimed at assessing its feasibility and technical specificities. Our primary objective was to evaluate the feasibility of transoral robotic surgery using the da Vinci(®) Xi™ Surgical System Robot. The secondary objective was to assess peroperative outcomes. Twenty-seven patients, mean age 62...
January 7, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28047305/su-f-t-224-importance-of-timely-review-of-daily-cone-beam-cts-dosimetric-evaluation-of-rejected-cbcts-for-head-and-neck-patients
#4
M Andrews, S Lin, N Yu, N Joshi, S Koyfman, P Xia
PURPOSE: To dosimetrically evaluate the importance of timely reviewing daily CBCTs for patients with head and neck cancer. METHODS: After each fraction daily cone-beam CT (CBCT) for head and neck patients are reviewed by physicians prior to next treatment. Physician rejected image registrations of CBCT were identified and analyzed for 17 patients. These CBCT images were rigidly fused with planning CT images and the contours from the planning CT were transferred to CBCTs...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046847/su-g-iep1-05-diffusion-kurtosis-imaging-for-oropharyngeal-cancer-detection
#5
Y Ding, A Mohamed, J Ma, S Frank, J Wang, C Fuller
PURPOSE: Diffusion kurtosis imaging (DKI) is an emerging diffusion MRI technique in cancer diagnosis applications. The objective of this study is to compare DKI with conventional diffusion weighted imaging (DWI) for diagnosis of head and neck cancer. METHODS: Five male patients with histologically documented phase II/III squamous cell carcinoma of the oropharynx were included in this study. DKI (with 6 b-values of 0-2000 s/mm2) and conventional DWI data were acquired at a 3...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046799/su-f-j-104-weekly-mri-for-dose-assessment-of-organs-at-risk-during-treatment-of-hn-cancer-of-the-oropharynx
#6
K Ludwig, J Li, P Venigalla, J Zhang, X Tang, N Tyagi, S Fontenla, N Lee, Z Saleh
PURPOSE: Investigate the feasibility of using weekly MRI to assess dose to organs at risk utilizing deformable image registration. METHODS: Sixteen H&N patients with oropharyngeal cancer were imaged on a 3T MR scanner using T2W and mDIXON sequence. Patients were imaged on a weekly basis in treatment position. Parotids (LP & RP), submandibular glands (LS, RS), and oral cavity (OC) were delineated on the weekly MR and reviewed by a board certified radiation oncologist...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040660/quality-of-life-and-swallowing-with-standard-chemoradiotherapy-versus-accelerated-radiotherapy-and-panitumumab-in-locoregionally-advanced-carcinoma-of-the-head-and-neck-a-phase-iii-randomised-trial-from-the-canadian-cancer-trials-group-hn-6
#7
Jolie Ringash, John N Waldron, Lillian L Siu, Rosemary Martino, Eric Winquist, Jim R Wright, Abdenour Nabid, John H Hay, Alex Hammond, Khalil Sultanem, Sebastien Hotte, Carson Leong, Ali Abdel Halim El-Gayed, Farah Naz, Kevin Ramchandar, Timothy E Owen, Alexander Montenegro, Brian O'Sullivan, Bingshu E Chen, Wendy R Parulekar
AIM: To compare quality of life (QOL) between standard (SFX) chemoradiotherapy (arm A) and altered fractionation radiotherapy (AFX) with panitumumab (PMab; arm B). METHODS: Patients with T any N + M0 or T3-4N0M0 squamous cell head-neck carcinoma were randomised to SFX (70 Gy/35/7 wks) plus cisplatin (100 mg/m(2) IV × 3) versus AFX (70 Gy/35/6 wks) plus PMab (9 mg/kg IV × 3). QOL was collected at baseline, end of radiation therapy (RT) and 2, 4, 6, 12, 24 and 36 months post-RT using the Functional Assessment of Cancer Therapy Head and Neck (FACT-H&N), MD Anderson Dysphagia Index (MDADI) and SWAL-QOL...
December 29, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/28034680/implementation-of-intensity-modulated-radiotherapy-for-head-and-neck-cancers-in-routine-practice
#8
C Bednarek, T V F Nguyen, M Puyraveau, É Bonnet, N Lescut, C Azélie, J Miny, O Mauvais, T Maurina, F Tochet, J-F Bosset, J Thariat, X S Sun
PURPOSE: To report on patterns of relapse following implementation of intensity-modulated radiotherapy and subsequent changes in practice in a tertiary care centre. PATIENTS AND METHODS: Between 2008 and 2011, 188 consecutive patients (mean age 59 years old) received intensity-modulated radiotherapies with curative intent for squamous cell carcinomas of the oral cavity (17.5%), oropharynx (43%), hypopharynx (21%), larynx (14%), sinonasal cavities (6%), nasopharynx (1...
December 26, 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28029303/e1308-phase-ii-trial-of-induction-chemotherapy-followed-by-reduced-dose-radiation-and-weekly-cetuximab-in-patients-with-hpv-associated-resectable-squamous-cell-carcinoma-of-the-oropharynx-ecog-acrin-cancer-research-group
#9
Shanthi Marur, Shuli Li, Anthony J Cmelak, Maura L Gillison, Weiqiang J Zhao, Robert L Ferris, William H Westra, Jill Gilbert, Julie E Bauman, Lynne I Wagner, David R Trevarthen, Jahagirdar Balkrishna, Barbara A Murphy, Nishant Agrawal, A Dimitrios Colevas, Christine H Chung, Barbara Burtness
Purpose Human papillomavirus (HPV)-associated oropharyngeal squamous cell carcinoma (OPSCC) is treatment-responsive. Definitive chemoradiation results in high cure rates but causes long-term toxicity and may represent overtreatment of some patients. This phase II trial evaluated whether complete clinical response (cCR) to induction chemotherapy (IC) could select patients with HPV-associated OPSCC for reduced radiation dose as a means of sparing late sequelae. Methods Patients with HPV16 and/or p16-positive, stage III-IV OPSCC received three cycles of IC with cisplatin, paclitaxel, and cetuximab...
December 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28001302/impact-of-concomitant-chemoradiation-on-survival-for-patients-with-t1-2n1-head-and-neck-cancer
#10
Zachary S Zumsteg, Sungjin Kim, John M David, Emi J Yoshida, Mourad Tighiouart, Stephen L Shiao, Kevin Scher, Alain Mita, Eric J Sherman, Nancy Y Lee, Allen S Ho
BACKGROUND: Single-modality radiotherapy is considered a standard-of-care option for certain stage III, T1-2N1 head and neck squamous cell carcinomas (HNSCCs). The role of concomitant chemoradiation is not well established because there have been no studies comparing chemoradiation with radiation alone in this population. METHODS: This study analyzed patients in the National Cancer Data Base with cT1-2N1M0 invasive squamous cell carcinomas of the oropharynx, larynx, and hypopharynx who were diagnosed between 2004 and 2012 and were undergoing definitive radiation...
December 21, 2016: Cancer
https://www.readbyqxmd.com/read/27992314/cytotoxic-and-genotoxic-effects-of-electronic-cigarette-liquids-on-human-mucosal-tissue-cultures-of-the-oropharynx
#11
Christian Welz, Martin Canis, Sabina Schwenk-Zieger, Sven Becker, Vincent Stucke, Friedrich Ihler, Philipp Baumeister
The popularity of electronic cigarettes (ECs) is rapidly growing and ECs are claimed to be an uncritically regarded alternative to conventional cigarettes. The mucosal tissue of the upper aerodigestive tract (UADT) is the first contact organ for xenobiotics such as liquids of ECs. The aim of this study is to investigate the bimolecular effects of e-liquids on human pharyngeal tissue cultures to evaluate whether e-liquids and their components present a risk factor for head and neck squamous cell carcinoma. Fresh tissue samples of healthy oropharyngeal mucosa were assembled into mucosal tissue cultures...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27988865/photobiomodulation-therapy-management-of-mucosal-necrosis-of-the-oropharynx-in-previously-treated-head-and-neck-cancer-patients
#12
Joel B Epstein, Paul Y Song, Allen S Ho, Babak Larian, Arash Asher, Rene-Jean Bensadoun
Necrosis of the oral mucosa following head and neck cancer radiation therapy presents considerable clinical management challenges. We report three cases of symptomatic persisting oral ulcerations where the addition of photobiomodulation therapy resulted in a rapid resolution of the oral lesions and in patient symptoms. These cases suggest that photobiomodulation may represent an adjunct to care of these difficult to manage complications in oncology.
December 17, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27943254/minimally-invasive-surgery-versus-radiotherapy-chemoradiotherapy-for-small-volume-primary-oropharyngeal-carcinoma
#13
REVIEW
James Howard, Liam Masterson, Raghav C Dwivedi, Faruque Riffat, Richard Benson, Sarah Jefferies, Piyush Jani, James R Tysome, Chris Nutting
BACKGROUND: More than 400,000 cases of oropharyngeal squamous cell carcinoma (OPSCC) are diagnosed each year worldwide and the incidence is rising, partly as a result of human papillomavirus. Human papillomavirus-associated OPSCC affects younger patients and often presents at a higher stage; however, it is associated with a better prognosis.Until recently, first-line management of OPSCC involved chemoradiotherapy, as research had demonstrated comparable survival outcomes when compared with open surgery, with significantly decreased morbidity...
December 11, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27941569/hpv-associated-oropharyngeal-squamous-cell-carcinoma
#14
Timothy J Smith, Anthony Mendez, Carrlene Donald, Thomas Harold Nagel
Human papillomavirus (HPV) can infect the tonsillar tissues of the oropharynx and is associated with oropharyngeal squamous cell carcinoma. This article provides an overview to guide primary care providers in screening patients for oropharyngeal cancer and making appropriate referrals. The article also reviews available HPV vaccines and immunization adherence rates.
January 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/27934959/hopx-functions-as-a-tumour-suppressor-in-head-and-neck-cancer
#15
Lee Fah Yap, Sook Ling Lai, Sathya Narayanan Patmanathan, Ravindran Gokulan, C Max Robinson, Joe B White, San Jiun Chai, Pathmanathan Rajadurai, Narayanan Prepageran, Yew Toong Liew, Victor Lopes, Wenbin Wei, Robert J Hollows, Paul G Murray, Daniel W Lambert, Keith D Hunter, Ian C Paterson
Head and neck squamous cell carcinoma (HNSCC) is generalized term that encompasses a diverse group of cancers that includes tumours of the oral cavity (OSCC), oropharynx (OPSCC) and nasopharynx (NPC). Genetic alterations that are common to all HNSCC types are likely to be important for squamous carcinogenesis. In this study, we have investigated the role of the homeodomain-only homeobox gene, HOPX, in the pathogenesis of HNSCC. We show that HOPX mRNA levels are reduced in OSCC and NPC cell lines and tissues and there is a general reduction of HOPX protein expression in these tumours and OPSCCs...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27930766/differences-in-the-prevalence-of-human-papillomavirus-hpv-in-head-and-neck-squamous-cell-cancers-by-sex-race-anatomic-tumor-site-and-hpv-detection-method
#16
Gypsyamber D'Souza, William H Westra, Steven J Wang, Annemieke van Zante, Alicia Wentz, Nicole Kluz, Eleni Rettig, William R Ryan, Patrick K Ha, Hyunseok Kang, Justin Bishop, Harry Quon, Ana P Kiess, Jeremy D Richmon, David W Eisele, Carole Fakhry
Importance: Human papillomavirus (HPV) causes an increasing proportion of oropharyngeal squamous cell carcinomas (OPSCCs), particularly in white men. The prevalence of HPV among other demographic groups and other anatomic sites of HNSCC is unclear. Objective: To explore the role of HPV tumor status among women and nonwhites with OPSCC and patients with nonoropharyngeal head and neck squamous cell carcinoma (non-OP HNSCC). Design, Setting, and Participants: Retrospective cohort study at 2 tertiary academic centers including cases diagnosed 1995 through 2012, oversampled for minorities and females...
December 8, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27930753/immune-response-to-hpv16-e6-and-e7-proteins-and-patient-outcomes-in-head-and-neck-cancer
#17
Heather H Nelson, Michael Pawlita, Dominique S Michaud, Michael McClean, Scott M Langevin, Melissa N Eliot, Karl T Kelsey
Importance: Pathology-based measures of human papillomavirus (HPV) status are routinely obtained in the care of head and neck cancer and are clearly associated with patient outcome for cancers of the oropharynx. However, it is unclear if HPV status is of high value for cancers of the larynx and oral cavity. In addition, it is possible to assess HPV infection using serology-based methods; however, the suitability of this pathology-independent measure for predicting patient outcome in head and neck cancer is unknown...
December 8, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27920642/recurrent-complete-pharyngo-oesophageal-stricture-treated-by-multidisciplinary-anterograde-retrograde-endoscopic-dilation
#18
Paulo Castro Soares, Salim Bouayed, Pavel Dulguerov, Jean-Louis Frossard
Complete pharyngo-oesophageal stricture (PES) after radiotherapy for head and neck cancer is a relatively rare and difficult complication to manage. Historically this condition has been treated surgically, but endoscopic approaches are now available. We present a 61-year-old man with an epidermoid carcinoma of the supraglottic stage and a micro-invasive epidermoid carcinoma of the oropharynx treated surgically and subsequently by adjuvant radiotherapy. Eight months after the end of the radiotherapy, a complete PES was diagnosed and treated with a combined anterograde-retrograde endoscopic dilation (CARD)...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920000/impact-of-induction-chemotherapy-in-locally-advanced-hpv-negative-oropharyngeal-cancer-a-propensity-score-matched-analysis
#19
Francesca DE Felice, Gessica Abate, Alessandro Galdieri, Nadia Bulzonetti, Daniela Musio, Vincenzo Tombolini
AIM: To estimate the clinical outcomes of induction chemotherapy (IC) followed by standard chemoradiotherapy (CRT) and CRT alone in patients with locally advanced human papilloma virus (HPV)-negative oropharyngeal squamous cell carcinoma. PATIENTS AND METHODS: Consecutive patients with histologically-proven HPV-negative squamous cell carcinoma of the oropharynx were included and treated with IC-CRT or CRT alone. In order to compare treatment outcomes and toxicity between groups, patients were matched by primary tumor site and clinical disease stage...
2016: Anticancer Research
https://www.readbyqxmd.com/read/27913065/hpv-status-cancer-stem-cell-marker-expression-hypoxia-gene-signatures-and-tumour-volume-identify-good-prognosis-subgroups-in-patients-with-hnscc-after-primary-radiochemotherapy-a-multicentre-retrospective-study-of-the-german-cancer-consortium-radiation-oncology
#20
Annett Linge, Fabian Lohaus, Steffen Löck, Alexander Nowak, Volker Gudziol, Chiara Valentini, Cläre von Neubeck, Martin Jütz, Inge Tinhofer, Volker Budach, Ali Sak, Martin Stuschke, Panagiotis Balermpas, Claus Rödel, Anca-Ligia Grosu, Amir Abdollahi, Jürgen Debus, Ute Ganswindt, Claus Belka, Steffi Pigorsch, Stephanie E Combs, David Mönnich, Daniel Zips, Frank Buchholz, Daniela E Aust, Gustavo B Baretton, Howard D Thames, Anna Dubrovska, Jan Alsner, Jens Overgaard, Mechthild Krause, Michael Baumann
OBJECTIVE: To investigate the impact of the tumour volume, HPV status, cancer stem cell (CSC) marker expression and hypoxia gene signatures, as potential markers of radiobiological mechanisms of radioresistance, in a contemporary cohort of patients with locally advanced head and neck squamous cell carcinoma (HNSCC), who received primary radiochemotherapy (RCTx). MATERIALS AND METHODS: For 158 patients with locally advanced HNSCC of the oral cavity, oropharynx or hypopharynx who were treated at six DKTK partner sites, the impact of tumour volume, HPV DNA, p16 overexpression, p53 expression, CSC marker expression and hypoxia-associated gene signatures on outcome of primary RCTx was retrospectively analyzed...
December 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
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