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Head And Neck Brachytherapy

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https://www.readbyqxmd.com/read/30038647/ent-cobra-ontology-the-covariates-classification-system-proposed-by-the-head-neck-and-skin-gec-estro-working-group-for-interdisciplinary-standardized-data-collection-in-head-and-neck-patient-cohorts-treated-with-interventional-radiotherapy-brachytherapy
#1
REVIEW
Luca Tagliaferri, Ashwini Budrukkar, Jacopo Lenkowicz, Mauricio Cambeiro, Francesco Bussu, Jose Luis Guinot, Guido Hildebrandt, Bengt Johansson, Jens E Meyer, Peter Niehoff, Angeles Rovirosa, Zoltán Takácsi-Nagy, Luca Boldrini, Nicola Dinapoli, Vito Lanzotti, Andrea Damiani, Roberto Gatta, Bruno Fionda, Valentina Lancellotta, Tamer Soror, Rafael Martìnez Monge, Vincenzo Valentini, György Kovács
Purpose: Clinical data collecting is expensive in terms of time and human resources. Data can be collected in different ways; therefore, performing multicentric research based on previously stored data is often difficult. The primary objective of the ENT COBRA (COnsortium for BRachytherapy data Analysis) ontology is to define a specific terminological system to standardized data collection for head and neck (H&N) cancer patients treated with interventional radiotherapy. Material and methods: ENT-COBRA is a consortium for standardized data collection for H&N patients treated with interventional radiotherapy...
June 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/30038643/quality-assurance-during-interstitial-brachytherapy-in-vivo-dosimetry-using-mosfet-dosimeters
#2
Corinna Melchert, Tamer Soror, György Kovács
Purpose: Brachytherapy procedure may result in acute tissue reactions like edema, causing deviations between planned and measured doses. The rationale for in vivo dosimetry in interstitial brachytherapy is to assess the accuracy of the delivered dose in comparison with the dose calculated by the treatment planning system (TPS). Material and methods: One single computer tomography (CT) dataset was used for brachytherapy planning, taken within 24 hours after implantation...
June 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29962531/brachytherapy-implant-insertion-in-head-and-neck-cancer-results-of-anaesthetic-technique-at-a-tertiary-care-hospital
#3
Suruchi Ambasta, Satyen Parida, Priya Rudingwa, Sandeep Kumar Mishra
No abstract text is available yet for this article.
June 2018: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/29942720/permanent-interstitial-brachytherapy-for-previously-irradiated-head-and-neck-cancer
#4
William Breen, Jacqueline Kelly, Henry S Park, Yung Son, Clarence Sasaki, Lynn Wilson, Roy Decker, Zain A Husain
OBJECTIVE: To evaluate our institutional experience using brachytherapy for the re-irradiation of the head and neck. STUDY DESIGN/METHODS: We reviewed the records of patients who received brachytherapy for head and neck cancer in a previously irradiated field between 2007 and 2016. RESULTS: Sixty-nine patients received brachytherapy-based re-irradiation. Forty-nine patients (71%) were treated for recurrent cancers, 15 patients (22%) had second primary cancers, and five patients (7%) were treated for persistent tumors...
April 22, 2018: Curēus
https://www.readbyqxmd.com/read/29903550/radiotherapy-utilization-and-fractionation-patterns-during-the-first-course-of-cancer-treatment-in-the-united-states-from-2004-to-2014
#5
Trevor J Royce, Muhammad M Qureshi, Minh Tam Truong
BACKGROUND: The changing use of radiation as a first-line cancer therapy in the United States is poorly characterized. This study aims to report radiotherapy utilization and fractionation patterns during the first course of cancer treatment. METHODS: We extracted all solid tumor cases from 2004 to 2014 in the National Cancer Data Base, which captures only the first course of treatment. Patients were subcategorized by disease site: breast, central nervous system (CNS), gastrointestinal, genitourinary, gynecologic, head and neck (HN), musculoskeletal, skin, or thoracic...
June 11, 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29887696/brachytherapy-in-head-and-neck-cancers-are-we-doing-it-or-are-we-done-with-it
#6
A S Kirthi Koushik, Ram Charith Alva
We performed an e-Survey and reviewed the literature on the prevalence of use of brachytherapy in head and neck cancers in order to understand the patterns of care and probable application of this modality. A five-point questionnaire was prepared and sent to 300 oncologists through a web-based survey engine. This was done in preparation for my lecture on "Ongoing Research and Potential Research Avenues" in IBSCON held in Chennai in August 2016. SPSS software was used for the statistical analysis. Of a total of 300 emails that were sent out for the survey, 120 replies were received, which is 40%...
June 2018: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29859761/salvage-brachytherapy-as-a-modern-reirradiation-technique-for-local-cancer-failure-the-phoenix-is-reborn-from-its-ashes
#7
REVIEW
M Quivrin, K Peignaux-Casasnovas, É Martin, M Rouffiac, D Thibouw, C Chevalier, N Vulquin, L Aubignac, G Truc, G Créhange
The treatment of local recurrence of a previously irradiated cancer or a second cancer arising in-field remains challenging. Ultimately, the objective of salvage therapy is to control disease while ensuring minimal collateral damage, thereby optimizing both cancer and toxicity outcomes. Reirradiation has historically been associated with unacceptable toxicity and a limited benefit. Brachytherapy offers the best dose distribution and a high radiation dose to the target volume while better protecting surrounding previously irradiated healthy tissues...
June 2018: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29858138/-brachytherapy-for-head-and-neck-cancers
#8
D Peiffert, B Coche-Dequéant, M Lapeyre, S Renard
The main indications of the brachytherapy of head and neck cancers are the limited tumours of the lip, the nose, the oral cavity and the oropharynx. Nasopharynx tumours are nowadays treated by intensity-modulated radiotherapy. This technique can be exclusive, associated with external radiotherapy or postoperative. It can also be a salvage treatment for the second primaries in previously irradiated areas. If the low dose rate brachytherapy rules remain the reference, the pulse dose rate technique allows the prescription of the dose rate and the optimisation of the dose distribution...
June 2018: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29789760/high-dose-rate-brachytherapy-in-treatment-of-non-melanoma-skin-cancer-of-head-and-neck-region-preliminary-results-of-a-prospective-single-institution-study
#9
Bita Kalaghchi, Ebrahim Esmati, Reza Ghalehtaki, Marzieh Gomar, Ramin Jaberi, Soraya Gholami, Somayyeh Babaloui, Mansoureh Nabavi, Sarvazad Sotoudeh, Nezhat Khanjani, Ali Kazemian, Farnaz Amouzegar-Hashemi, Mahdi Aghili, Marzieh Lashkari
Purpose: Skin cancers are the most common human malignancy with increasing incidence. Currently, surgery is standard of care treatment for non-melanoma skin cancers. However, brachytherapy is a growing modality in the management of skin cancers. Therefore, we aimed to assess the outcome of patients with non-melanoma skin cancers treated by high-dose-rate (HDR) brachytherapy with surface mold technique. Material and methods: In this prospective study, we recruited patients with basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) of the skin who were candidates for definitive or adjuvant brachytherapy during 2013-2014...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29745023/interstitial-brachytherapy-for-pediatric-soft-tissue-sarcoma-evolving-practice-over-three-decades-and-long-term-outcomes
#10
Siddhartha Laskar, Avinash Pilar, Nehal Khanna, Ajay Puri, Ashish Gulia, Sajid Qureshi, Girish Chinnaswamy, Tushar Vora, Mukta Ramadwar
PURPOSE: Evaluate long-term clinical outcomes, adverse effects, and evolving practice of interstitial brachytherapy (BT) for pediatric soft tissue sarcomas (STS). METHODS: From September 1984 to December 2014, 105 children (median age 10 years) were included. There were 60 males and 45 females. The majority (74%) had primary lesions. Synovial sarcoma (22%) was the most frequent histology. Treatment included wide local excision and BT with or without external beam radiotherapy (EBRT)...
September 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29708355/-quality-of-life-after-high-dose-brachytherapy-in-patients-with-early-oral-carcinoma
#11
Helena Doležalová, Nicole Blechová, Jiří Petera
BACKGROUND: The prevalence of head and neck tumors has continually increased over the past decades, which is a serious medical and social problem. This study retrospectively assessed the quality of life of patients with early-stage oral cavity tumors after high-dose rate (HDR) brachytherapy. MATERIAL AND METHODS: Quality of life was evaluated in 14 patients with early-onset oral cavity tumors who underwent HDR brachytherapy at the Department of Oncology and Radiotherapy, University Hospital Hradec Kralove...
2018: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29628635/brachytherapy-localization-radiographs-with-conventional-diagnostic-x-ray-machine
#12
Ramamoorthy Ravichandran, Bandana Barman, Purnendu Deb Roy, Gopal Datta, Ravi Kannan
With conventional diagnostic X-ray machines with over couch X-ray tubes, it is not possible to obtain anteroposterior (AP) and lateral (Lat) radiographs without changing the posture of the patients. In an old 300 mA X-ray machine with a fluoroscopy screen (12.4 kg) (1995 model), by substituting the screen with suitable counterweight and making provision to take the hoist pillar up to the edge of the wall, we could get isocentric setup for a hospital stretcher kept near the chest stand. This setup provided acceptable AP-Lat radiographs for brachytherapy localization using "Perspex jig" (Nucletron, Netherlands) and field check radiographs in head and neck, esophagus patients for treatment planning...
January 2018: Journal of Medical Physics
https://www.readbyqxmd.com/read/29573121/head-and-neck-cancer-reirradiation-with-interstitial-high-dose-rate-brachytherapy
#13
John V Hegde, D Jeffrey Demanes, Darlene Veruttipong, Robert K Chin, Sang-June Park, Mitchell Kamrava
BACKGROUND: As high-dose-rate (HDR) brachytherapy can preferentially spare normal anatomic structures surrounding the radiation target, we report on our experience using this technique in head and neck cancer reirradiation. METHODS: Twenty patients received HDR brachytherapy reirradiation with curative or palliative intent from 2010-2015. Clinical and toxicity outcomes were recorded. Actuarial outcomes were calculated using Kaplan-Meier analysis. RESULTS: For curative treatment, actuarial 2-year rates of local control and overall survival (OS) were 73% and 56%, respectively...
July 2018: Head & Neck
https://www.readbyqxmd.com/read/29524319/efficacy-of-hypofractionated-radiotherapy-in-patients-with-non-melanoma-skin-cancer-results-of-a-systematic-review
#14
REVIEW
Dakshika A Gunaratne, Michael J Veness
Radiation oncologists are increasingly tasked with the management of elderly patients with non-melanoma skin cancer, unsuitable for surgical intervention due to inoperable lesions and/or poor performance status. In this cohort, hypofractionated radiotherapy, delivered either daily, alternative daily or once weekly is highly effective. A systematic literature search was conducted of PUBMED, MEDLINE and EMBASE databases using the algorithm ('radiotherapy' OR 'radiation therapy' OR 'brachytherapy') AND ('hypofraction' OR 'hypofractionated' OR 'hypofractionation') AND ('skin neoplasms' OR 'carcinoma' OR 'malignancy') AND ('skin' OR 'epidermis' OR 'epidermal' OR 'cutaneous')...
June 2018: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29483735/-simulation-of-dose-distribution-in-bone-medium-of-125-i-photon-emitting-source-with-monte-carlo-method
#15
K Q Ye, M W Huang, J L Li, J T Tang, J G Zhang
OBJECTIVE: To present a theoretical analysis of how the presence of bone in interstitial brachytherapy affects dose rate distributions with MCNP4C Monte Carlo code and to prepare for the next clinical study on the dose distribution of interstitial brachytherapy in head and neck neoplasm. METHODS: Type 6711,125 I brachytherapy source was simulated with MCNP4C Monte Carlo code whose cross section library was DLC-200. The dose distribution along the transverse axis in water and dose constant were compared with the American Association of Physicists in Medicine (AAPM) TG43UI update dosimetry formalism and current literature...
February 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29441104/current-status-of-brachytherapy-in-cancer-treatment-short-overview
#16
REVIEW
Janusz Skowronek
Cancer incidence and mortality depend on a number of factors, including age, socio-economic status and geographical location, and its prevalence is growing around the world. Most of cancer treatments include external beam radiotherapy or brachytherapy. Brachytherapy, a type of radiotherapy with energy from radionuclides inserted directly into the tumor, is increasingly used in cancer treatment. For cervical and skin cancers, it has become a standard therapy for more than 100 years as well as an important part of the treatment guidelines for other malignancies, including head and neck, skin, breast, and prostate cancers...
December 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29441100/dose-volume-analysis-of-target-volume-and-critical-structures-in-computed-tomography-image-based-multicatheter-high-dose-rate-interstitial-brachytherapy-for-head-and-neck-cancer
#17
Hironori Akiyama, Tibor Major, Csaba Polgár, Zoltán Takácsi-Nagy
Purpose: To evaluate dose-volume relationships of target volume and critical structures in computed tomography (CT) image-based brachytherapy for head and neck cancer. Material and methods: Thirty-seven patients with mobile tongue, floor of mouth, and base of tongue cancer treated with brachytherapy (post-operative alone and as a boost after external beam radiotherapy [EBRT], or definitive alone or as a boost after EBRT) were selected. Treatment plans were made using post-implant CT images...
December 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29404242/rhabdomyosarcoma-of-the-head-and-neck-a-multimodal-approach
#18
REVIEW
Dana L Casey, Suzanne L Wolden
Head and neck rhabdomyosarcoma (HNRMS) is a uniquely challenging site to treat given the young patient age and critical anatomy of the head and neck region. We review the characteristics, management, and future directions in the treatment of HNRMS. Most patients who present with HNRMS have unresectable disease due to functional and/or cosmetic constraints. However, surgical resection and brachytherapy serve a critical role in select patients. The treatment paradigm for the majority of patients with HNRMS consists of definitive chemotherapy and radiation therapy...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29394937/side-effects-of-ct-guided-implantation-of-125-i-seeds-for-recurrent-malignant-tumors-of-the-head-and-neck-assisted-by-3d-printing-non-co-planar-template
#19
Yuliang Jiang, Zhe Ji, Fuxin Guo, Ran Peng, Haitao Sun, Jinghong Fan, Shuhua Wei, Weiyan Li, Kai Liu, Jinghua Lei, Junjie Wang
BACKGROUND: For the recurrence of head and neck cancer after operation and radiotherapy, the local control of radioactive seed implantation is good, and it has a certain palliative effect. This study aims to investigate the acute and late side effects of a three-dimentional printing non co-planar template (3D-PNCT) for computed tomography (CT)-guided radioactive 125 I seed (RIS) implantation in recurrent cancer of the head and neck. METHODS: Between January 2016 and December 2016, forty-two patients with local recurrent malignant tumors of the head and neck received 3D-PNCT-assisted RIS implantation...
February 3, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29110967/experience-of-using-mosfet-detectors-for-dose-verification-measurements-in-an-end-to-end-192-ir-brachytherapy-quality-assurance-system
#20
Maria Persson, Josef Nilsson, Åsa Carlsson Tedgren
PURPOSE: Establishment of an end-to-end system for the brachytherapy (BT) dosimetric chain could be valuable in clinical quality assurance. Here, the development of such a system using MOSFET (metal oxide semiconductor field effect transistor) detectors and experience gained during 2 years of use are reported with focus on the performance of the MOSFET detectors. METHODS AND MATERIALS: A bolus phantom was constructed with two implants, mimicking prostate and head & neck treatments, using steel needles and plastic catheters to guide the 192 Ir source and house the MOSFET detectors...
January 2018: Brachytherapy
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