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https://www.readbyqxmd.com/read/29120527/castle-tumor-of-the-parotid-first-documented-case-literature-review-and-genetic-analysis-of-the-cancer
#1
Eugene Hung Chih Wong, Nora Tetter, Alexandar Tzankov, Laurent Muller
BACKGROUND: Carcinoma showing thymus-like elements (CASTLE) is a rare tumor that normally affects the thyroid gland and was thought to arise from either the remnants of the branchial pouch or the ectopic cervical thymic tissue. These tumors show strong immunopositivity for CD5, P63, and CD117. Most CASTLE of the thyroid gland is treated with surgery with or without adjuvant radiotherapy or chemotherapy. METHOD: A 55-year-old woman presented with a slow-growing right parotid mass...
November 9, 2017: Head & Neck
https://www.readbyqxmd.com/read/29114602/impact-on-quality-of-life-of-imrt-versus-3-d-conformal-radiation-therapy-in-head-and-neck-cancer-patients-a-case-control-study
#2
Edvard Abel, Ewa Silander, Jan Nyman, Mogens Bove, Leif Johansson, Thomas Björk-Eriksson, Eva Hammerlid
Objective: The purpose of this study was to prospectively and longitudinally compare the health-related quality of life (HRQOL) outcomes between head and neck (HN) cancer patients treated with parotid-sparing intensity modulated radiation therapy (IMRT) and patients treated with 3-dimensional conventional radiation therapy (3D-CRT). Methods and materials: Before and up to 12 months after treatment, HRQOL was recorded in patients with HN cancer who were referred to the Department of Oncology at Sahlgrenska University Hospital for curative IMRT...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114601/elective-nodal-dose-of-60%C3%A2-gy-or-50%C3%A2-gy-in-head-and-neck-cancers-a-matched-pair-analysis-of-outcomes-and-toxicity
#3
Vedang Murthy, Lavanya Gurram, Sadhana Kannan, Minakshi Gandhi, Tejpal Gupta, Sarbani Ghosh Laskar, Ashwini Budrukkar, Jai Prakash Agarwal
Purpose: The main objective of this study was to evaluate appropriate doses for elective nodal irradiation (ENI) in head and neck squamous cell carcinoma (HNSCC) patients to optimize the therapeutic ratio. Methods and materials: A matched pair analysis of 2 similar cohorts of HNSCC treated with intensity modulated radiation therapy with different dose prescriptions to the elective nodal regions was conducted. One group received 60 Gy, whereas the other received 50 Gy (ENI60 and ENI50 groups, respectively)...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29105949/a-model-for-predicting-the-dose-to-the-parotid-glands-based-on-their-relative-overlapping-with-planning-target-volumes-during-helical-radiotherapy
#4
Cheryl H Millunchick, Heming Zhen, Gage Redler, Yixiang Liao, Julius V Turian
The sparing of the parotid glands in the treatment of head and neck cancers is of clinical relevance as high doses to the salivary glands may result in xerostomia. Xerostomia is a major cause of decreased quality of life for head and neck patients. This paper explores the relationship between the overlap of the target volumes and their expansions with the parotid glands for helical delivery plans and their ability to be spared. Various overlapping volumes were examined, and an overlap with a high statistical relevance was found...
November 6, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29099362/oral-manifestations-of-systemic-disease
#5
Heidi L Gaddey
On examination, the oral cavity may exhibit manifestations of underlying systemic disease and serve as an indicator of overall health. Systemic diseases with oral findings include autoimmune, hematologic, endocrine, and neoplastic processes. Autoimmune disease may manifest as oral ulcerations, changes in the salivary and parotid glands, and changes in the tongue. Patients with hematologic illnesses may present with gingival bleeding or tongue changes such as glossitis, depending on the etiology. Oral changes associated with endocrine illness are variable and depend on the underlying condition...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29083518/submandibular-gland-cancer-specific-features-and-treatment-considerations
#6
Katri Aro, Jussi Tarkkanen, Riste Saat, Kauko Saarilahti, Antti Mäkitie, Timo Atula
BACKGROUND: In the absence of unified treatment protocol, we evaluated the management and outcomes of submandibular gland cancers in an unselected patient series. METHODS: We included all patients with resected submandibular gland cancer treated at the Helsinki University Hospital from 2000 to 2010 with a 5-year minimum follow-up. RESULTS: Twenty-five patients with cancer represented 30% of submandibular gland neoplasms, and most were adenoid cystic carcinomas (ACCs; 56%)...
October 30, 2017: Head & Neck
https://www.readbyqxmd.com/read/29074078/the-impact-of-treatment-accuracy-on-proton-therapy-patient-selection-for-oropharyngeal-cancer-patients
#7
Tine Arts, Sebastiaan Breedveld, Martin A de Jong, Eleftheria Astreinidou, Lisa Tans, Fatma Keskin-Cambay, Augustinus D G Krol, Steven van de Water, Rik G Bijman, Mischa S Hoogeman
BACKGROUND AND PURPOSE: The impact of treatment accuracy on NTCP-based patient selection for proton therapy is currently unknown. This study investigates this impact for oropharyngeal cancer patients. MATERIALS AND METHODS: Data of 78 patients was used to automatically generate treatment plans for a simultaneously integrated boost prescribing 70 GyRBE/54.25 GyRBE in 35 fractions. IMRT treatment plans were generated with three different margins; intensity modulated proton therapy (IMPT) plans for five different setup and range robustness settings...
October 23, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29026985/deep-lobe-parotidectomy-why-when-and-how
#8
EDITORIAL
Kerry D Olsen, Miquel Quer, Remco de Bree, Vincent Vander Poorten, Alessandra Rinaldo, Alfio Ferlito
This editorial explores the controversies concerning the surgical management of the deep portion of the parotid gland. Specifically, when should the parotid deep lobe be removed if there is metastatic cancer to a superficial parotid node or when a primary aggressive cancer is found in the superficial lobe? The background, indications, rationale, and results of removing the deep lobe nodes are reviewed. Removal of the deep lobe is done to optimize the oncologic outcome for the patient. Deep lobe parotidectomy plays an important role in the treatment of many parotid gland malignancies...
December 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28990673/clinical-characteristics-and-outcomes-of-major-salivary-gland-malignancies-in-children
#9
Shannon Radomski, Sarah Dermody, Earl H Harley
OBJECTIVES/HYPOTHESIS: Determine demographics, clinical characteristics, and survival rates for children with primary salivary gland malignancies. STUDY DESIGN: Retrospective, population-based cohort study. METHODS: All cases of primary salivary gland malignancies diagnosed between the years of 2002 and 2013 in patients ages 0 to 19 years were extracted from the National Cancer Institute's Surveillance, Epidemiology, and End Results database...
October 9, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28988106/dcpp1-is-the-mouse-ortholog-of-human-pauf-that-possesses-functional-analogy-in-pancreatic-cancer
#10
Hayne Song, Jinhoi Song, Yeon Jeong Kim, Hyeon Hee Jeong, Hye Jin Min, Sang Seok Koh
Pancreatic adenocarcinoma upregulated factor (PAUF) overexpressed in pancreatic ductal adenocarcinoma (PDAC) plays a major role in tumor progression and metastasis by autocrine and paracrine manners. However, underlying molecular mechanism of PAUF functioning in pancreatic cancer are not fully understood yet. The objective of this study was to evaluate the potential of demilune cell and parotid protein 1 (DCPP1) as a putative mouse ortholog of human PAUF by sequence alignment and functional studies. Overexpression of mouse DCPP1 in Chinese hamster ovary (CHO) cells or pancreatic cancer cells increased cell proliferation, migration, invasion, and adhesion ability in vitro...
December 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28986512/cold-kit-psma-pet-imaging-phase-i-study-of-68-ga-thp-psma-pet-ct-in-patients-with-prostate-cancer
#11
Michael S Hofman, Peter Eu, Price Jackson, Emily Hong, David Binns, Amir Iravani, Declan Murphy, Catherine Mitchell, Shankar Siva, Rodney J Hicks, Jennifer D Young, Philip Blower, Gregory E Mullen
Objectives: Ga-68 labelled urea-based inhibitors of the prostate-specific membrane antigen (PSMA), such as (68)Ga-HBED-PSMA-11, are promising small molecules for targeting prostate cancer. A new radiopharmaceutical (68)Ga-THP-PSMA has a simplified design for one-step kit-based radiolabelling. It features the tris(hydroxypyridinone) (THP) ligand, which complexes (68)Ga3+ rapidly at low concentration, room temperature and over a wide pH range, enabling direct elution from a (68)Ge/(68)Ga generator into a lyophilized kit in one-step without manipulation...
October 6, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28972794/can-sparing-of-the-superficial-contralateral-parotid-lobe-reduce-xerostomia-following-radiotherapy-for-head-and-neck-cancer
#12
RANDOMIZED CONTROLLED TRIAL
Daan Nevens, Sandra Nuyts
OBJECTIVE: The purpose of this study is to see whether sparing the superficial contralateral parotid lobe can help limiting xerostomia following radiotherapy for head and neck cancer. METHODS: 88 patients that were included in two prospective randomized studies were analysed in the current study. Using the dosimetry of both the parotid glands, we divided our patients in four groups. Group 1 includes patients where we were able to reduce the radiation dose below the threshold in order to spare both the ipsilateral and contralateral parotid glands, Group 2 consists of patients where only the contralateral parotid gland could be spared...
December 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28959172/the-outcome-of-the-first-100-nasopharyngeal-cancer-patients-in-thailand-treated-by-helical-tomotherapy
#13
Imjai Chitapanarux, Wannapha Nobnop, Patumrat Sripan, Ausareeya Chumachote, Ekkasit Tharavichitkul, Somvilai Chakrabandhu, Pitchayaponne Klunklin, Wimrak Onchan, Bongkot Jia-Mahasap, Suwapim Janlaor, Patcharawadee Kayan, Patrinee Traisathit, Dirk Van Gestel
BACKGROUND: The aim of the study was to analyse of two-year loco-regional failure free survival (LRFFS), distant metastasis free survival (DMFS), overall survival (OS), and toxicity outcomes of the first 100 nasopharyngeal carcinoma patients in Thailand treated by helical tomotherapy. PATIENTS AND METHODS: Between March 2012 and December 2015, 100 patients with non-metastatic nasopharyngeal carcinoma were treated by helical tomotherapy. All patients were treated by platinum-based concurrent chemoradiotherapy and adjuvant or neo-adjuvant chemotherapy...
September 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28955004/successful-treatment-of-mixed-mainly-cancer-pain-by-tramadol-preparations
#14
Shinji Kawahito, Tomohiro Soga, Naoji Mita, Shiho Satomi, Hiroyuki Kinoshita, Tomoko Arase, Akira Kondo, Hitoshi Miki, Kazumi Takaishi, Hiroshi Kitahata
The patient, a 70-year-old Japanese woman diagnosed with parotid gland cancer, underwent wide excision and reconstruction (facial nerve ablation, nerve transposition). At 1 month after the surgery, she was brought to our hospital's pain medicine department because her postoperative pain and cancer-related pain were poorly controlled. She had already been prescribed a tramadol (37.5 mg)/acetaminophen (325 mg) combination tablet (5 tablets/day). However, in addition to the continuous pain in her face and lower limbs, she was troubled by a trigeminal neuralgia-like prominence ache...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28953638/anti-interferon-%C3%AE-autoantibody-associated-disseminated-mycobacterium-abscessus-infection-mimicking-parotid-cancer-with-multiple-metastases-a-case-report
#15
Po-Hsiung Chang, Yu-Chung Chuang
RATIONALE: Among the nontuberculous mycobacteria, Mycobacterium abscessus is a common cause of skin, soft tissue, and bone infections. However, disseminated M. abscessus infection that mimics cancer metastasis with an underlying relatively immunocompetent condition has rarely been reported. PATIENT CONCERNS: A nonsmoking 73-year-old man with an underlying relatively immunocompetent condition reported a 2-month history of a mass in the region of his right parotid gland that had been steadily increasing in size...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28951008/patient-specific-bolus-for-range-shifter-air-gap-reduction-in-intensity-modulated-proton-therapy-of-head-and-neck-cancer-studied-with-monte-carlo-based-plan-optimization
#16
Steven Michiels, Ana Maria Barragán, Kevin Souris, Kenneth Poels, Wouter Crijns, John A Lee, Edmond Sterpin, Sandra Nuyts, Karin Haustermans, Tom Depuydt
BACKGROUND & PURPOSE: Intensity-modulated proton therapy (IMPT) of superficial lesions requires pre-absorbing range shifter (RS) to deliver the more shallow spots. RS air gap minimization is important to avoid spot size degradation, but remains challenging in complex geometries such as in head-and-neck cancer (HNC). In this study, clinical endpoints were investigated for patient-specific bolus and for conventional RS solutions, making use of a Monte Carlo (MC) dose engine for IMPT optimization...
September 23, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28951007/-18-f-fdg-pet-image-biomarkers-improve-prediction-of-late-radiation-induced-xerostomia
#17
Lisanne V van Dijk, Walter Noordzij, Charlotte L Brouwer, Ronald Boellaard, Johannes G M Burgerhof, Johannes A Langendijk, Nanna M Sijtsema, Roel J H M Steenbakkers
BACKGROUND AND PURPOSE: Current prediction of radiation-induced xerostomia 12months after radiotherapy (Xer12m) is based on mean parotid gland dose and baseline xerostomia (Xerbaseline) scores. The hypothesis of this study was that prediction of Xer12m is improved with patient-specific characteristics extracted from (18)F-FDG PET images, quantified in PET image biomarkers (PET-IBMs). PATIENTS AND METHODS: Intensity and textural PET-IBMs of the parotid gland were collected from pre-treatment (18)F-FDG PET images of 161 head and neck cancer patients...
September 23, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28943045/prognostic-factors-for-tube-feeding-dependence-after-curative-chemo-radiation-in-head-and-neck-cancer-a-systematic-review-of-literature
#18
REVIEW
Kim Wopken, Hendrik P Bijl, Johannes A Langendijk
BACKGROUND: Tube feeding dependence is a commonly observed debilitating side-effect of curative (chemo-) radiation in head and neck cancer patients that severely affects quality of life. Prevention of this side-effect can be obtained using advanced radiation techniques, such as IMRT. For radiotherapy treatment plan optimization, it has become increasingly important to develop prediction models that enable clinicians to predict the risk of tube feeding dependence for individual patients...
September 21, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28927732/radioactive-seed-migration-following-parotid-gland-interstitial-brachytherapy
#19
Yi Fan, Ming-Wei Huang, Yi-Jiao Zhao, Hong Gao, Jian-Guo Zhang
PURPOSE: To evaluate the incidence and associated factors of pulmonary seed migration after parotid brachytherapy using a novel migrated seed detection technique. METHODS AND MATERIALS: Patients diagnosed with parotid cancer who underwent permanent parotid brachytherapy from January 2006 to December 2011 were reviewed retrospectively. Head and neck CT scans and chest X-rays were evaluated during routine follow-up. Mimics software and Geomagic Studio software were used for seed reconstruction and migrated seed detection from the original implanted region, respectively...
September 15, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28921843/potential-proton-and-photon-dose-degradation-in-advanced-head-and-neck-cancer-patients-by-intratherapy-changes
#20
Kristin Stützer, Annika Jakobi, Anna Bandurska-Luque, Steffen Barczyk, Carolin Arnsmeyer, Steffen Löck, Christian Richter
PURPOSE: Evaluation of dose degradation by anatomic changes for head-and-neck cancer (HNC) intensity-modulated proton therapy (IMPT) relative to intensity-modulated photon therapy (IMRT) and identification of potential indicators for IMPT treatment plan adaptation. METHODS: For 31 advanced HNC datasets, IMPT and IMRT plans were recalculated on a computed tomography scan (CT) taken after about 4 weeks of therapy. Dose parameter changes were determined for the organs at risk (OARs) spinal cord, brain stem, parotid glands, brachial plexus, and mandible, for the clinical target volume (CTV) and the healthy tissue outside planning target volume (PTV)...
September 18, 2017: Journal of Applied Clinical Medical Physics
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