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Radiotherapy larynx

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https://www.readbyqxmd.com/read/29769101/a-new-strategy-for-volumetric-modulated-arc-therapy-planning-using-autoplanning-based-multicriteria-optimization-for-nasopharyngeal-carcinoma
#1
Juanqi Wang, Zhi Chen, Weiwei Li, Wei Qian, Xiaosheng Wang, Weigang Hu
BACKGROUND: A new strategy for making the appropriate choice of the representative optimization parameters in planning processes and accurate selection criteria during Pareto surface navigation for general multicriteria optimization (MCO) was recommended in the study. The purpose was to combine both benefits of AutoPlanning optimization and MCO (APMCO) for achieving an individual volumetric-modulated arc therapy (VMAT) plan according to the clinically achieved patient-specific tradeoff among conflicting priorities...
May 16, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29765265/is-volumetric-modulated-arc-therapy-with-constant-dose-rate-a-valid-option-in-radiation-therapy-for-head-and-neck-cancer-patients
#2
Annamaria Didona, Valentina Lancellotta, Claudio Zucchetti, Bianca Moira Panizza, Alessandro Frattegiani, Martina Iacco, Anna Concetta Di Pilato, Simonetta Saldi, Cynthia Aristei
Background: Intensity-modulated radiotherapy (IMRT) improves dose distribution in head and neck (HN) radiation therapy. Volumetric-modulated arc therapy (VMAT), a new form of IMRT, delivers radiation in single or multiple arcs, varying dose rates (VDR-VMAT) and gantry speeds, has gained considerable attention. Constant dose rate VMAT (CDR-VMAT) associated with a fixed gantry speed does not require a dedicated linear accelerator like VDR-VMAT. The present study explored the feasibility, efficiency and delivery accuracy of CDR-VMAT, by comparing it with IMRT and VDR-VMAT in treatment planning for HN cancer...
May 2018: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/29764014/-comprehensive-treatment-of-335-patients-with-pyriform-sinus-carcinoma-by-surgery-via-the-paraglottic-space-approach
#3
W M Li, D M Wei, Y Qian, S D Cao, Y Xu, D Y Liu, D P Lei, X L Pan
Objective: To report the experience in comprehensive surgical treatment of pyriform sinus carcinoma via the paraglottic space approach. Methods: Three hundred and thirty-five cases with pyriform sinus carcinoma (according to UICC 2012 criteria, stage Ⅰ, 12 cases; Ⅱ, 36; Ⅲ, 79; Ⅳ, 208; T1, 26; T2, 139; T3, 121; T4, 49; cN0, 83; cN1, 61; cN2a-b, 118; cN2c, 71; cN3, 2) treated between 2006 and 2013 were retrospectively reviewed. There were 323 males and 12 females. Age aged from 36 to 80 years old with a median of 60 years old...
May 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29760831/current-status-of-organ-preservation-in-carcinoma-larynx
#4
REVIEW
Tapesh Bhattacharyya, Cessal Thommachan Kainickal
Organ preservation in carcinoma larynx is a long debated topic. There are multiple organ preserving approaches in the management of carcinoma larynx depending on various factors. Radical radiotherapy (RT) and conservation laryngeal surgery have shown equivalent results in early laryngeal cancer. Concurrent chemoradiation (CTRT) is the standard treatment in stage III and IV laryngeal cancer with intact cartilage and functional larynx. Patients with cartilage destruction or dysfunctional larynx are not the candidates for organ preservation...
April 2018: World Journal of Oncology
https://www.readbyqxmd.com/read/29756612/cancer-of-the-head-and-neck-a-set-of-indicators-based-on-register-and-administrative-data
#5
A Andreano, M Ansarin, D Alterio, R Bruschini, M G Valsecchi, A G Russo
Head and neck (H&N) tumours are a heterogeneous group of neoplasms with 5-year relative survival ranging from about 25% for the hypopharynx to 60% for the larynx in Europe. To improve survival rates, along with therapeutic improvements, it is important to standardise and optimise care received by patients with H&N tumours across different healthcare providers. To reach this goal, it is necessary to evaluate adherence to standards of received care at a population level. Published guidelines can serve as the basis to develop indicators, which can be computed from administrative health databases, measuring the adherence to specific recommendations at the individual level in unselected H&N cancer patients, identified from a population cancer register...
February 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29756307/age-adjusted-comorbidity-and-survival-in-locally-advanced-laryngeal-cancer
#6
Collin F Mulcahy, Abdallah S R Mohamed, Aasheesh Kanwar, Katherine A Hutcheson, Alokananda Ghosh, David Vock, Randal S Weber, Stephen Y Lai, Gary Brandon Gunn, Mark Zafereo, William H Morrison, Renata Ferrarotto, Adam S Garden, David I Rosenthal, Clifton D Fuller
BACKGROUND: The purpose of this study was to quantify the relationship among age, pretreatment comorbidity, and survival outcomes in patients with locally advanced laryngeal cancer. METHODS: Baseline comorbidity data were collected and age-adjusted Charlson Comorbidity Index (CCI) was calculated for each case. Kaplan-Meier and Cox proportional hazards modeling were used to determine associations with survival. RESULTS: For 548 patients, with a median age of 59 years (range 31-91 years), 58% were treated with larynx preservation and the rest with total laryngectomy and adjuvant radiotherapy (RT)...
May 13, 2018: Head & Neck
https://www.readbyqxmd.com/read/29732341/comparison-and-evaluation-of-different-treatment-plans-with-ifrt-field-and-6-and-18-mv-energies-in-hodgkin-s-lymphoma-involvement-neck-and-mediastinum
#7
M B Tavakoli, M Maleki, A Akhavan, T Hadisinia, I Abedi, A Amouheidari
Background: Radiotherapy with large mantle field is an effective technique in increasing the risk of secondary cancers among HL (Hodgkin Lymphoma) patients; therefore, it is essential to choose an effective treatment field including the least medical conditions in radiotherapy. Objective: The present study aimed to plan separate fields for neck and mediastinum using various energies, to compare dose distribution with MLC and to block field formation. Materials and Methods: In this study, 3D conformal treatments, Siemens Oncor accelerator equipped with multi-leaf collimator (MLC) were performed to create anterior-posterior fields...
March 2018: Journal of Biomedical Physics & Engineering
https://www.readbyqxmd.com/read/29725412/locally-advanced-laryngeal-cancer-total-laryngectomy-or-primary-non-surgical-treatment
#8
Aleš Čoček, Miloslav Ambruš, Alena Dohnalová, Martin Chovanec, Martina Kubecová, Kateřina Licková
Between January 1997 and December 2013, the Charles University 3rd Medical School and Royal Vinohrady Teaching Hospital Ear, Nose and Throat oncology team treated 185 patients with advanced laryngeal cancer, which, from a surgical perspective, required a total laryngectomy. Overall, ~70% of these patients (n=129) underwent conventional treatment (i.e., total laryngectomy with post-operative radiotherapy), and ~30% (n=56) were treated with larynx preservation protocols (including primary radiotherapy, neoadjuvant chemotherapy followed by radiotherapy or chemoradiotherapy, or primary chemoradiotherapy)...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29721544/defining-the-low-risk-salvage-laryngectomy-a-single-center-retrospective-analysis-of-pharyngocutaneous-fistula
#9
Sarju S Vasani, Daniel Youssef, Charles Lin, Annabelle Wellham, Robert Hodge
Objectives: Salvage total laryngectomies (STL) are not a homogeneous group. Most will fall into two groups: i) Patients with previous AJCC stage I/II larynx cancer who have had radiotherapy to the larynx only (STL-LOR), or ii) Patients who have had previous AJCC stage III/IV larynx cancer and subsequent radiotherapy to the larynx and draining nodal basins with concurrent cisplatin chemotherapy (STL-CRT). We aimed to compare PCF rates following STL in these two groups. Methods: A retrospective review of the department's cohort between January 2010 and August 2015 was conducted...
April 2018: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29617493/pectoralis-major-myocutaneous-flap-in-head-and-neck-surgery-reconstructions-critical-analysis
#10
Marcelo Benedito Menezes, Kassem Samir Saleh, Marianne Yumi Nakai, Lucas Porto Maurity Dias, Norberto Kodi Kavabata, Antônio José Gonçalves
OBJECTIVE: to evaluate the results of the use of the pectoralis major flap in the reconstruction of head and neck surgeries. METHODS: we conducted a retrospective study with data bank analysis and review of medical records of patients with head and neck cancer operated at the Discipline of Head and Neck Surgery, Surgery Department, São Paulo Holy Home of Mercy, using the pectoralis major flap for reconstruction, in a period of 16 years. We analyzed age, gender, primary site of neoplasia, clinical staging, preoperative radiotherapy (RT) and complications, classified as major and minor...
March 29, 2018: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/29598944/three-dimensional-imaging-assessment-of-anatomic-invasion-and-volumetric-considerations-for-chemo-radiotherapy-based-laryngeal-preservation-in-t3-larynx-cancer
#11
Mona Kamal, Sweet Ping Ng, Salman A Eraj, Crosby D Rock, Brian Pham, Jay A Messer, Adam S Garden, William H Morrison, Jack Phan, Steven J Frank, Adel K El-Naggar, Jason M Johnson, Lawrence E Ginsberg, Renata Ferrarotto, Jan S Lewin, Katherine A Hutcheson, Carlos E Cardenas, Mark E Zafereo, Stephen Y Lai, Amy C Hessel, Randal S Weber, G Brandon Gunn, Clifton D Fuller, Abdallah S R Mohamed, David I Rosenthal
OBJECTIVES: To investigate the impact of 3-Diminsional (3D) tumor volume (TV) and extent of involvement of primary tumor on treatment outcomes in a large uniform cohort of T3 laryngeal carcinoma patients treated with nonsurgical laryngeal preservation strategies. MATERIALS AND METHODS: The pretreatment contrast-enhanced computed tomography images of 90 patients with T3 laryngeal carcinoma were reviewed. Primary gross tumor volume (GTVp) was delineated to calculate the 3D TV and define the extent of invasion...
April 2018: Oral Oncology
https://www.readbyqxmd.com/read/29594250/anti-pd-l1-durvalumab-combined-with-cetuximab-and-radiotherapy-in-locally-advanced-squamous-cell-carcinoma-of-the-head-and-neck-a-phase-i-ii-study-ducro
#12
Pierluigi Bonomo, Isacco Desideri, Mauro Loi, Monica Mangoni, Mariangela Sottili, Livia Marrazzo, Cinzia Talamonti, Daniela Greto, Stefania Pallotta, Lorenzo Livi
Introduction and background: Head and neck squamous cell carcinoma (HNSCC) has been increasingly recognized as an immune suppressive malignancy. The efficacy of immune checkpoint inhibitors (ICI's) in the context of recurrent/metastatic (R/M) setting anticipates the possible integration of immunotherapy into the therapeutic armamentarium of locally advanced disease. Durvalumab (DUR) is a humanized monoclonal IgG1, anti-PD-L1 antibody with promising data in R/M HNSCC. The aim of our study is to test the antitumor activity of a combined regimen incorporating an immune checkpoint inhibitor into a conventional bio-radiation strategy for the cure of unfavorable locally advanced HNSCC...
February 2018: Clinical and translational radiation oncology
https://www.readbyqxmd.com/read/29548299/severe-immune-mucositis-and-esophagitis-in-metastatic-squamous-carcinoma-of-the-larynx-associated-with-pembrolizumab
#13
Fanny Zulay Acero Brand, Nicolas Suter, Jean-Philippe Adam, Bernard Faulques, Antonio Maietta, Denis Soulières, Normand Blais
BACKGROUND: Pembrolizumab is an anti-programmed death 1 (PD-1) receptor monoclonal antibody that has shown activity as second line treatment for metastatic head and neck squamous cell carcinoma (HNSCC). Immune-related adverse events are now well described complications of PD-1 inhibitors and most organ sites have been shown to be potentially affected. CASE PRESENTATION: We describe a 69-year old patient with a relapsed squamous cell carcinoma of the supraglottic larynx with lung metastasis after receiving adjuvant concurrent cisplatin and radiotherapy...
March 16, 2018: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/29523427/physiologic-distribution-of-psma-ligand-in-salivary-glands-and-seromucous-glands-of-the-head-and-neck-on-pet-ct
#14
Thomas J W Klein Nulent, Matthijs H Valstar, Bart de Keizer, Stefan M Willems, Laura A Smit, Abrahim Al-Mamgani, Ludwig E Smeele, Robert J J van Es, Remco de Bree, Wouter V Vogel
OBJECTIVES: Prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) is used for detection and (re)staging of prostate cancer. However, healthy salivary, seromucous, and lacrimal glands also have high PSMA-ligand uptake. This study aimed to describe physiologic PSMA-ligand uptake distribution characteristics in the head and neck to aid in PSMA PET/CT interpretation and to identify possible new clinical applications for PSMA-ligand imaging. STUDY DESIGN: Thirty consecutive patients who underwent PSMA PET/CT for prostate cancer were evaluated...
May 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29521651/preradiotherapy-tumor-volume-in-local-control-of-squamous-cell-carcinoma-of-the-supraglottic-larynx
#15
Sommer Nurkic, Tarik Nurkic, Christopher G Morris, Robert J Amdur, William M Mendenhall
OBJECTIVES: Examine the utility of pretreatment computed tomography in predicting local control (LC) in squamous cell carcinoma of the supraglottic larynx treated with primary radiotherapy (RT). METHODS: In total, 167 patients treated between 1983 and 2013 were reviewed. Patients had received pretreatment diagnostic computed tomographic imaging of the larynx and neck from which primary tumor volume (PrTV) was delineated. LC, larynx function at last follow-up, and RT complications were recorded...
March 8, 2018: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29493423/immune-cell-infiltration-in-head-and-neck-squamous-cell-carcinoma-and-patient-outcome-a-retrospective-study
#16
Karolin Schneider, Etienne Marbaix, Caroline Bouzin, Marc Hamoir, Pierre Mahy, Vanesa Bol, Vincent Grégoire
BACKGROUND: Human papillomavirus (HPV) prevalence in oropharynx squamous cell carcinoma (OPSCC) is on the rise. HPV-linked OPSCCs represent a distinct clinical entity with a better treatment response and patient survival compared to tumors not linked to HPV. An emerging role in treatment response has been attributed to immune cell infiltration in human tumors. In this study, we investigated immune cell infiltration in human SCC of the head and neck region and its relation to overall survival after treatment with surgery (with or without radiotherapy) or concomitant chemo (or cetuximab)-radiotherapy...
March 1, 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29489975/oncological-results-of-surgical-treatment-versus-organ-function-preservation-in-larynx-and-hypopharynx-c%C3%A3-ncer
#17
COMPARATIVE STUDY
Oscar Israel Jaramillo Calvas, Daniel Marin Ramos, Leandro Luongo Matos, Marco Aurélio Vamondes Kulcsar, Rogério Aparecido Dedivitis, Lenine Garcia Brandão, Claudio Roberto Cernea
INTRODUCTION: Since the beginning of the 1990s, non-surgical radiochemotherapy treatment has become popular with the prospect of maintaining oncological results and preserving the organ in patients with advanced squamous cell carcinoma of the larynx and hypopharynx. However, subsequent studies demonstrated increased recurrence and mortality after the non-surgical treatment became popular. OBJECTIVE: To compare the oncological results of surgical and non-surgical treatments of patients with larynx and hypopharynx cancer and to evaluate the variables associated with disease recurrence...
December 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29481712/the-impact-of-adjuvant-chemoradiotherapy-timing-on-survival-of-head-and-neck-cancers
#18
Moses Tam, S Peter Wu, Naamit K Gerber, Anna Lee, David Schreiber, Babak Givi, Kenneth Hu
BACKGROUND: Delays in postoperative head and neck (HN) radiotherapy have been associated with decreased overall survival; however, the impact of delays in postoperative HN chemoradiotherapy remains undefined. METHODS: All patients with nonmetastatic HN cancer (oral cavity, oropharynx, larynx, hypopharynx) who underwent curative intent surgery and received adjuvant chemoradiotherapy were identified from the National Cancer Database (2005-2012). Overall treatment time (OTT) was defined as the time from surgery to the end of radiation therapy...
February 26, 2018: Laryngoscope
https://www.readbyqxmd.com/read/29464162/hinge-flap-with-triangular-extension-for-reconstruction-of-pharyngocutaneous-and-laryngocutaneous-fistulas
#19
Ryuichi Azuma, Shimpo Aoki, Masahiro Kuwabara, Tetsushi Aizawa, Hisato Nagano, Tomoharu Kiyosawa
Hinge flaps are commonly used for closure of a pharyngocutaneous fistula (PCF) or laryngocutaneous fistula. These flaps are employed to augment the wall of the pharynx or larynx, but the junction between the reconstructed and native lumens can eventually become narrow and irregular after reconstruction with standard hinge flaps. We devised a method of adding a triangular extension to the end of either or both flaps and used it to treat 3 patients. In 1 patient who developed a PCF (4 × 10 cm) after laryngectomy followed by radiotherapy, the fistula was closed with 2 hinge flaps...
January 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29375944/a-dosimetric-comparison-of-primary-chemoradiation-versus-postoperative-radiation-for-locally-advanced-oropharyngeal-cancer
#20
Stanley K Woo, Chad Freeman, Brock J Debenham
Introduction Advanced-stage oropharyngeal cancer can be treated with primary chemoradiation (CRT) or primary surgery with adjuvant radiotherapy, both with similar survival outcomes. Though primary CRT prescribes a higher dose, adjuvant radiation requires irradiating the surgical bed, which may increase the high dose planned target volume (PTV). We hypothesize that the integral dose to the neck and dose to critical structures will be lower with primary CRT than adjuvant radiotherapy. Methods We selected the last 18 patients who underwent surgery and adjuvant radiotherapy at one institution between July 2015 and August 2016 with American Joint Committee on Cancer (AJCC) stage III or IVA oropharyngeal squamous cell cancer...
November 17, 2017: Curēus
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