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Salivary glands radiotherapy

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https://www.readbyqxmd.com/read/29785551/salivary-duct-carcinoma-evaluation-of-treatment-and-outcome-in-a-tertiary-referral-institute
#1
Ann-Jean C C Beck, Peter J F M Lohuis, Abrahim Al-Mamgani, Laura A Smit, Willem M C Klop
PURPOSE: The aggressive behavior of salivary duct carcinoma (SDC) necessitates an aggressive treatment strategy, including surgery and radiotherapy (RT). We evaluated practice patterns and treatment outcomes in patients with SDC treated in our Institute. METHODS: Patients with SDC of the parotid or submandibular gland treated with curative intention in our Institute from 1998 until 2016 were reviewed. Our diagnostic workup and treatment strategy were evaluated together with treatment outcomes...
May 21, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29767566/external-beam-radiotherapy-for-the-treatment-of-feline-salivary-gland-carcinoma-six-new-cases-and-a-review-of-the-literature
#2
Laura Blackwood, Aaron Harper, James Elliott, Irina Gramer
Case series summary Salivary gland carcinoma is uncommon in cats. We report the outcome of radiation therapy in six cases (four salivary gland adenocarcinomas, one tubulopapillary adenocarcinoma, one carcinoma). Five were treated after surgical excision of the primary tumour, but four had gross disease (primary or metastatic) at the time of starting radiotherapy. Exact progression-free interval from the start of radiotherapy in the two cats where this was known was 120 and 144 days, respectively. One cat was signed off at 766 days with no evidence of recurrence...
May 1, 2018: Journal of Feline Medicine and Surgery
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
#3
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/29761209/polymorphous-adenocarcinoma-of-the-salivary-glands-reappraisal-and-update
#4
REVIEW
Vincent Vander Poorten, Asterios Triantafyllou, Alena Skálová, Göran Stenman, Justin A Bishop, Esther Hauben, Jennifer L Hunt, Henrik Hellquist, Simon Feys, Remco De Bree, Antti A Mäkitie, Miquel Quer, Primož Strojan, Orlando Guntinas-Lichius, Alessandra Rinaldo, Alfio Ferlito
Although relatively rare, polymorphous adenocarcinoma (PAC) is likely the second most common malignancy of the minor salivary glands (MiSG). The diagnosis is mainly based on an incisional biopsy. The optimal treatment comprises wide surgical excision, often with adjuvant radiotherapy. In general, PAC has a good prognosis. Previously, PAC was referred to as polymorphous low-grade adenocarcinoma (PLGA), but the new WHO classification of salivary gland tumours has also included under the PAC subheading, the so-called cribriform adenocarcinoma of minor salivary glands (CAMSG)...
May 14, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29756412/adjuvant-therapy-in-major-salivary-gland-cancers-analysis-of-8580-patients-in-the-national-cancer-database
#5
Shayan Cheraghlou, Phoebe Kuo, Saral Mehra, George O Agogo, Aarti Bhatia, Zain A Husain, Wendell G Yarbrough, Barbara A Burtness, Benjamin L Judson
BACKGROUND: Evidence surrounding the effect of adjuvant treatment in salivary gland cancers is limited. The benefit of adding chemotherapy to adjuvant treatment is also of interest. We investigated the association of these treatments with survival and whether this differed by stage or the presence of adverse features. METHODS: A retrospective study of adult salivary gland cancer cases diagnosed from 2004 to 2013 in the National Cancer Data Base (NCDB) was conducted...
May 13, 2018: Head & Neck
https://www.readbyqxmd.com/read/29724411/submandibular-function-recovery-after-imrt-in-head-and-neck-cancer-a-prospective-dose-modelling-study
#6
Vedang Murthy, Shirley Lewis, Sadhana Kannan, Chira Ranjan Khadanga, Venkatesh Rangarajan, Kishore Joshi, Minakshi Gandhi, Sayak Dey, Ganesh Rokde, Ashwini Budrukkar, Tejpal Gupta, Sarbani Laskar, Jai Prakash Agarwal
PURPOSE: To estimate the dose response relationship for submandibular gland (SMG) recovery using salivary scintigraphy in patients diagnosed with head and neck cancer treated with curative image guided chemoradiation. MATERIAL AND METHODS: Ninety newly diagnosed head and neck cancer patients (T1-3, N0-2c, M0) treated with intensity modulated radiotherapy on a prospective clinical trial were assessed for salivary toxicity at predefined intervals using dynamic salivary scintigraphy...
April 30, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29706189/risk-factors-for-salivary-gland-cancers-in-france-results-from-a-case-control-study-the-icare-study
#7
Loredana Radoï, Christine Barul, Gwenn Menvielle, Matthieu Carton, Mireille Matrat, Marie Sanchez, Corinne Pilorget, Michel Velten, Isabelle Stücker, Danièle Luce
OBJECTIVES: Epidemiological studies on the risk factors for salivary gland cancers (SGC) are rare, concern a small sample size, and show inconsistent results. The aim of the present work was to analyze several risk factors for SGC, using the data from the ICARE study, a multicenter, population-based case-control study. MATERIALS AND METHODS: Data from 73 SGC cases and 3555 controls were collected using a standardized questionnaire on lifestyle habits, personal and family medical history, and lifetime occupational history...
May 2018: Oral Oncology
https://www.readbyqxmd.com/read/29699873/report-of-a-unique-case-of-myoepithelial-carcinoma-of-left-parotid-gland-with-metachronous-bilateral-cavernous-sinus-metastasis
#8
Rambha Pandey, Rituparna Biswas, Mukurdipi Ray, Prashant P Ramteke, Ekta Dhamija, Anirban Halder
Myoepithelial carcinoma (MC) is a rare, locally aggressive malignant neoplasm of the salivary glands. Only few evidences on its metastatic behavior are available in the literature. We herein present a unique case of MC of left parotid gland which metastasized to bilateral cavernous sinuses. The patient was successfully treated with palliative radiotherapy and chemotherapy.
April 23, 2018: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/29688951/prediction-of-normal-organ-absorbed-doses-for-177lu-lu-psma-617-using-44sc-sc-psma-617-pharmacokinetics-in-patients-with-metastatic-castration-resistant-prostate-carcinoma
#9
Ambreen Khawar, Elisabeth Eppard, Jean Phlippe Sinnes, Frank Roesch, Hojjat Ahmadzadehfar, Stefan Kürpig, Michael Meisenheimer, Florian C Gaertner, Markus Essler, Ralph A Bundschuh
In vivo pharmacokinetic analysis of [Sc]Sc-PSMA-617 was used to determine the normal organ-absorbed doses that may result from therapeutic activity of [Lu]Lu-PSMA-617 and to predict the maximum permissible activity of [Lu]Lu-PSMA-617 for patients with metastatic castration-resistant prostate carcinoma. METHODS: Pharmacokinetics of [Sc]Sc-PSMA-617 was evaluated in 5 patients with metastatic castration-resistant prostate carcinoma using dynamic PET/CT, followed by 3 static PET/CT acquisitions and blood sample collection over 19...
April 23, 2018: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29678523/safety-and-efficacy-of-mesenchymal-stem-cells-for-radiation-induced-xerostomia-a-randomized-placebo-controlled-phase-1-2-trial-mesrix
#10
Christian Grønhøj, David H Jensen, Peter Vester-Glowinski, Siri Beier Jensen, Allan Bardow, Roberto S Oliveri, Lea Munthe Fog, Lena Specht, Carsten Thomsen, Sune Darkner, Michael Jensen, Vera Müller, Katalin Kiss, Tina Agander, Elo Andersen, Anne Fischer-Nielsen, Christian von Buchwald
BACKGROUND: Salivary gland hypofunction and xerostomia are major complications to head and neck radiotherapy. This trial assessed the safety and efficacy of adipose tissue-derived mesenchymal stem cell (ASC) therapy for radiation-induced xerostomia. PATIENT AND METHODS: This randomized, placebo-controlled phase 1/2 trial included 30 patients, randomized in a 1:1 ratio to receive ultrasound-guided transplantation of ASCs or placebo to the submandibular glands. Patients had previously received radiotherapy for a T1-2, N0-2A, human papillomavirus-positive, oropharyngeal squamous cell carcinoma...
March 6, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29649019/nut-carcinoma-of-the-salivary-glands-clinicopathologic-and-molecular-analysis-of-3-cases-and-a-survey-of-nut-expression-in-salivary-gland-carcinomas
#11
Abbas Agaimy, Isabel Fonseca, Carmo Martins, Khin Thway, Ryan Barrette, Kevin J Harrington, Arndt Hartmann, Christopher A French, Cyril Fisher
NUT carcinoma (NC) represents a rare subset of highly aggressive poorly differentiated carcinomas characterized by rearrangement of the NUT (aka NUTM1, nuclear protein in testis) gene, most commonly fused to BRD4. Originally described as a mediastinal/thymic malignancy, NC has been reported at a variety of anatomic regions including the upper and lower aerodigestive tract. To date, only 7 NC cases of probable salivary gland origin have been reported. We herein describe 3 new cases (all affecting the parotid gland) in 2 women (39- and 55-y old) and 1 man (35-y old)...
April 11, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29625593/radiotherapy-induced-anti-tumor-immune-response-and-immune-related-adverse-events-in-a-case-of-recurrent-nasopharyngeal-carcinoma-undergoing-anti-pd-1-immunotherapy
#12
T Finazzi, T Rordorf, K Ikenberg, G F Huber, M Guckenberger, H I Garcia Schueler
BACKGROUND: Treatment of recurrent nasopharyngeal carcinoma is a challenging clinical problem. We report the case of a 46 year old male showing excellent response and signs of immunostimulation following re-re-irradiation for recurrent nasopharyngeal carcinoma under systemic treatment with pembrolizumab. CASE PRESENTATION: Patient was first diagnosed with locoregionally advanced, non-keratinizing nasopharyngeal carcinoma in 2010. After achieving complete remission following induction chemotherapy and concurrent curative chemoradiation, the patient subsequently developed distant and locoregionally recurrent disease...
April 6, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29605479/is-accurate-contouring-of-salivary-and-swallowing-structures-necessary-to-spare-them-in-head-and-neck-vmat-plans
#13
Alexander R Delaney, Max Dahele, Ben J Slotman, Wilko F A R Verbakel
BACKGROUND AND PURPOSE: Current standards for organ-at-risk (OAR) contouring encourage anatomical accuracy which can be resource intensive. Certain OARs may be suitable for alternative delineation strategies. We investigated whether simplified salivary and swallowing structure contouring can still lead to good OAR sparing in automated head and neck cancer (HNC) plans. MATERIALS AND METHODS: For 15 HNC patients, knowledge-based plans (KBPs) using RapidPlan™ were created using: (1) standard clinical contours for all OARs (benchmark-plans), (2) automated knowledge-based contours for the salivary glands, with standard contours for the remaining OARs (SS-plans) and (3) simplified contours (SC-plans) consisting of quick-to-draw tubular structures to account for the oral cavity, salivary glands and swallowing muscles...
March 28, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29604122/salivary-flow-and-xerostomia-in-patients-with-type-2-diabetes
#14
Esther Carramolino-Cuéllar, Dorina Lauritano, Francisco-Javier Silvestre, Francesco Carinci, Alberta Lucchese, Javier Silvestre-Rangil
BACKGROUND: Saliva is secreted by the major and minor salivary glands. There are a number of physiological factors that can reduce this secretion such as age, sex, body weight, number of teeth present in the mouth or time of day. This decrease may also be caused by the use of certain drugs, radiotherapy for head and neck cancer, chronic rheumatic diseases such as Sjögren's syndrome and other systemic disorders such as diabetes mellitus (DM). Objective of this study was to investigate the effect of type 2 DM on salivary secretion and its relation to the sensation of xerostomia...
May 2018: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29590144/administration-of-growth-factors-promotes-salisphere-formation-from-irradiated-parotid-salivary-glands
#15
Vicky T Nguyen, Peter Dawson, Qionghui Zhang, Zoey Harris, Kirsten H Limesand
Worldwide, 500,000 cases of head and neck cancer (HNC) are reported each year and the primary treatment for HNC is radiotherapy. Although the goal of radiotherapy is to target the tumor, secondary exposure occurs in surrounding normal tissues, such as the salivary glands. As a result, despite successful treatment of the cancer, patients are left with long-term side effects due to direct damage to the salivary glands. The effect is chronic and currently there is no treatment. Stem cells are an attractive therapeutic option for treatment of radiation-induced glandular dysfunction because of the potential to regenerate damaged cell populations and restore salivary gland function...
2018: PloS One
https://www.readbyqxmd.com/read/29569790/hypoxia-activated-adipose-mesenchymal-stem-cells-prevents-irradiation-induced-salivary-hypofunction-by-enhanced-paracrine-effect-through-fgf10
#16
Hyun-Soo Shin, Songyi Lee, Young-Mo Kim, Jae-Yol Lim
PURPOSE: To explore the effects and mechanisms of paracrine factors secreted from human adipose mesenchymal stem cells (hAdMSCs) that are activated by hypoxia on radioprotection against irradiation-induced salivary hypofunction in subjects undergoing radiotherapy for head and neck cancers. MATERIALS AND METHODS: An organotypic spheroid coculture model to mimic IR-induced salivary hypofunction was set up for in vitro experiments. Human parotid gland epithelial cells were organized to form three-dimensional acinus-like spheroids on growth factor reduced (GFR)-Matrigel...
March 23, 2018: Stem Cells
https://www.readbyqxmd.com/read/29569726/xerostomia-salivary-characteristics-and-gland-volumes-following-intensity-modulated-radiotherapy-for-nasopharyngeal-carcinoma-two-year-follow-up
#17
Christina P C Sim, Yoke-Lim Soong, Eric P P Pang, Cindy Lim, Glenn D Walker, David J Manton, Eric C Reynolds, Joseph T S Wee
BACKGROUND: To evaluate changes in xerostomia status, salivary characteristics and gland volumes two years following radiotherapy in nasopharyngeal carcinoma patients. METHODS: Xerostomia scores, salivary flow rates, pH and buffering capacity were measured at pre-radiotherapy, mid-radiotherapy, two-weeks, three-months and two-years post-radiotherapy. Salivary gland volumes and their correlation with radiation dose were also assessed. RESULTS: Mean radiation dose to oral cavity, parotid and submandibular glands was 44...
March 23, 2018: Australian Dental Journal
https://www.readbyqxmd.com/read/29568026/insufficient-evidence-for-interventions-to-prevent-dry-mouth-and-salivary-gland-dysfunction-post-head-and-neck-radiotherapy
#18
Debra M Ferraiolo, Analia Veitz-Keenan
Data sourcesCochrane Oral Health's Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, CINAHL, EBSCO (Cumulative Index to Nursing and Allied Health Literature, LILACS, BIREME, Virtual Health Library (Latin American and Caribbean Health Science Information database), Zetoc Conference Proceedings, the US National Institutes of Health Ongoing Trials Register, (ClinicalTrials.gov) and the World Health Organization International Clinical Trials Registry Platform for ongoing trials...
March 23, 2018: Evidence-based Dentistry
https://www.readbyqxmd.com/read/29566770/stem-cell-properties-of-human-clonal-salivary-gland-stem-cells-are-enhanced-by-three-dimensional-priming-culture-in-nanofibrous-microwells
#19
Hyun-Soo Shin, Songyi Lee, Hye Jin Hong, Young Chang Lim, Won-Gun Koh, Jae-Yol Lim
BACKGROUND: Three-dimensional (3D) cultures recapitulate the microenvironment of tissue-resident stem cells and enable them to modulate their properties. We determined whether salivary gland-resident stem cells (SGSCs) are primed by a 3D spheroid culture prior to treating irradiation-induced salivary hypofunction using in-vitro coculture and in-vivo transplant models. METHODS: 3D spheroid-derived SGSCs (SGSCs3D ) were obtained from 3D culture in microwells consisting of a nanofiber bottom and cell-repellent hydrogel walls, and were examined for salivary stem or epithelial gene/protein expression, differentiation potential, and paracrine secretory function compared with monolayer-cultured SGSCs (SGSCs2D ) in vitro and in vivo...
March 22, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29544756/cervical-lymph-node-metastatic-status-and-adjuvant-therapy-predict-the-prognosis-of-salivary-duct-carcinoma
#20
Kai Qian, Lu Di, Kai Guo, Xiaoke Zheng, Qinghai Ji, Zhuoying Wang
PURPOSE: Salivary duct carcinoma (SDC) is an aggressive malignancy that is not yet fully understood. We designed the present retrospective study to investigate the factors affecting the prognosis of SDC and the effects of adjuvant therapies on the clinical outcomes of patients. MATERIALS AND METHODS: Patients with SDC treated surgically from 2006 to 2016 were enrolled in the present retrospective cohort study. The demographic data, clinical pathologic characteristics, and follow-up results were recorded...
February 19, 2018: Journal of Oral and Maxillofacial Surgery
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