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https://www.readbyqxmd.com/read/28344789/a-ppar-gamma-agonist-protects-from-radiation-induced-intestinal-toxicity
#1
Monica Mangoni, Mariangela Sottili, Chiara Gerini, Isacco Desideri, Cinzia Bastida, Stefania Pallotta, Francesca Castiglione, Pierluigi Bonomo, Icro Meattini, Daniela Greto, Sabrina Cappelli, Lucia Di Brina, Mauro Loi, Giampaolo Biti, Lorenzo Livi
OBJECTIVE: Because of its anti-inflammatory, anti-fibrotic, anti-apoptotic and anti-neoplastic properties, the PPAR-γ agonist rosiglitazone is an interesting drug for investigating for use in the prevention and treatment of radiation-induced intestinal damage. We aimed to evaluate the radioprotective effect of rosiglitazone in a murine model of acute intestinal damage, assessing whether radioprotection is selective for normal tissues or also occurs in tumour cells. METHODS: Mice were total-body irradiated (12 Gy), with or without rosiglitazone (5 mg/kg/day)...
March 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28343660/a-pilot-study-of-ultrasound-elastography-as-a-non-invasive-method-to-monitor-liver-disease-in-children-with-short-bowel-syndrome
#2
Daniel Lodwick, Molly Dienhart, Jennifer N Cooper, Bonita Fung, Joseph Lopez, Sally Smith, Patrick Warren, Jane Balint, Peter C Minneci
BACKGROUND: Our objective was to evaluate the accuracy of acoustic radiation force impulse (ARFI) elastography in determining extent of liver fibrosis in pediatric patients with short bowel syndrome (SBS). METHODS: This prospective cohort study included pediatric patients with SBS who underwent ultrasound with ARFI measurements of shear wave speed (SWS) and liver biopsy within 30days of each other between 12/2014-9/2015. The mean and median SWS were compared to the stage of fibrosis...
March 16, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28333014/single-nucleotide-polymorphism-tgf%C3%AE-1-r25p-correlates-with-acute-toxicity-during-neoadjuvant-chemoradiotherapy-in-rectal-cancer-patients
#3
J Joshua Smith, Isaac Wasserman, Sarah A Milgrom, Oliver S Chow, Chin-Tung Chen, Sujata Patil, Karyn A Goodman, Julio Garcia-Aguilar
PURPOSE: To validate the finding of an association between single nucleotide polymorphisms (SNPs) and toxicity during chemoradiotherapy (CRT) in rectal cancer patients, in an independent population. METHODS AND MATERIALS: The cohort consisted of 165 patients who received CRT for rectal cancer from 2006 to 2012. Prospectively recorded toxicity information, graded according to the Common Terminology Criteria for Adverse Events version 3.0, was retrieved from the medical record...
April 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28324093/association-between-radiation-therapy-surgery-or-observation-for-localized-prostate-cancer-and-patient-reported-outcomes-after-3-years
#4
Daniel A Barocas, JoAnn Alvarez, Matthew J Resnick, Tatsuki Koyama, Karen E Hoffman, Mark D Tyson, Ralph Conwill, Dan McCollum, Matthew R Cooperberg, Michael Goodman, Sheldon Greenfield, Ann S Hamilton, Mia Hashibe, Sherrie H Kaplan, Lisa E Paddock, Antoinette M Stroup, Xiao-Cheng Wu, David F Penson
Importance: Understanding the adverse effects of contemporary approaches to localized prostate cancer treatment could inform shared decision making. Objective: To compare functional outcomes and adverse effects associated with radical prostatectomy, external beam radiation therapy (EBRT), and active surveillance. Design, Setting, and Participants: Prospective, population-based, cohort study involving 2550 men (≤80 years) diagnosed in 2011-2012 with clinical stage cT1-2, localized prostate cancer, with prostate-specific antigen levels less than 50 ng/mL, and enrolled within 6 months of diagnosis...
March 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28306228/diagnosis-natural-history-and-management-in-vascular-ehlers-danlos-syndrome
#5
Peter H Byers, John Belmont, James Black, Julie De Backer, Michael Frank, Xavier Jeunemaitre, Diana Johnson, Melanie Pepin, Leema Robert, Lynn Sanders, Nigel Wheeldon
Vascular Ehlers Danlos syndrome (vEDS) is an uncommon genetic disorders characterized by arterial aneurysm, dissection and rupture, bowel rupture, and rupture of the gravid uterus. The frequency is estimated as 1/50,000-1/200,000 and results from pathogenic variants in COL3A1, which encodes the chains of type III procollagen, a major protein in vessel walls and hollow organs. Initial diagnosis depends on the recognitions of clinical features, including family history. Management is complex and requires multiple specialists who can respond to and manage the major complications...
March 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28298964/magnetic-resonance-enterography-in-crohn-s-disease-how-we-do-it-and-common-imaging-findings
#6
REVIEW
Annalisa Mantarro, Paola Scalise, Elisa Guidi, Emanuele Neri
Crohn's disease (CD) is a chronic inflammatory disease of the gastrointestinal tract, with unpredictable clinical course by phases of relapses alternating with other of quiescence. The etiology is multifactorial and is still not completely known; globally the westernization of lifestyle is causing an increasing incidence of CD, with peak age of 20-30 years. The diagnostic workup begins with the evaluation of the clinical history, physical examination and laboratory tests. However, the clinical assessment is subjected interobserver variability and, occasionally, the symptoms of acute and chronic inflammation may be indistinguishable...
February 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28297436/simultaneously-integrated-boost-sib-spares-oar-and-reduces-treatment-time-in-locally-advanced-cervical-cancer
#7
Christine H Feng, Yasmin Hasan, Malgorzata Kopec, Hania A Al-Hallaq
We performed a dosimetric comparison of sequential IMRT (sIMRT) and simultaneously integrated boost (SIB) IMRT to boost PET-avid lymph nodes while concurrently treating pelvic targets to determine the potential of SIB IMRT to reduce overall treatment duration in locally advanced cervical cancer. Ten patients receiving definitive radiation therapy were identified retrospectively. RTOG consensus guidelines were followed to delineate the clinical target volume and organs at risk (OAR), which were then expanded per IMRT consortium guidelines to yield the planning target volume (PTV)...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28291546/acute-toxicity-and-surgical-complications-after-preoperative-chemo-radiation-therapy-for-rectal-cancer-in-patients-with-inflammatory-bowel-disease
#8
Steven L Bosch, Stefan J van Rooijen, Guus M J Bökkerink, Hidde J W Braam, Lauranne A A P Derikx, Philip Poortmans, Corrie A M Marijnen, Iris D Nagtegaal, Johannes H W de Wilt
PURPOSE: Preoperative therapy reduces local recurrences and may facilitate surgery in rectal cancer patients. However, in patients with inflammatory bowel disease (IBD) this treatment is often withheld due to the perceived risk of excessive side-effects, even though evidence is limited. The purpose of this study is to investigate the effects of preoperative therapy on acute toxicity and post-operative complications in IBD patients with rectal cancer. METHODS: The Dutch pathology registry (PALGA) was searched for patients with IBD and rectal cancer treated between January 1991 and May 2010...
March 10, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28288658/prostate-cancer-treated-with-brachytherapy-an-exploratory-study-of-dose-dependent-biomarkers-and-quality-of-life
#9
Sarah O S Osman, Simon Horn, Darren Brady, Stephen J McMahon, Ahamed B Mohamed Yoosuf, Darren Mitchell, Karen Crowther, Ciara A Lyons, Alan R Hounsell, Kevin M Prise, Conor K McGarry, Suneil Jain, Joe M O'Sullivan
BACKGROUND: Low-dose-rate permanent prostate brachytherapy (PPB) is an attractive treatment option for patients with localised prostate cancer with excellent outcomes. As standard CT-based post-implant dosimetry often correlates poorly with late treatment-related toxicity, this exploratory (proof of concept) study was conducted to investigate correlations between radiation - induced DNA damage biomarker levels, and acute and late bowel, urinary, and sexual toxicity. METHODS: Twelve patients treated with (125)I PPB monotherapy (145Gy) for prostate cancer were included in this prospective study...
March 14, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28285537/milestone-clinical-trials-of-the-national-surgical-adjuvant-breast-and-bowel-project-nsabp
#10
REVIEW
Priya Rastogi, D Lawrence Wickerham, Charles E Geyer, Eleftherios P Mamounas, Thomas B Julian, Norman Wolmark
The National Surgical Adjuvant Breast and Bowel Project (NSABP) has made significant contributions in reducing the extent of breast surgery and in improving outcomes of patients with early-stage breast cancer through the conduct of large randomized clinical trials evaluating local and systemic therapy. In 2014, the NSABP merged with two other US National Cancer Institute-funded cooperative groups, the Radiation Therapy Oncology Group (RTOG) and the Gynecologic Oncology Group (GOG), to form NRG Oncology. The combined organization has 218 member institutions with more than 600 affiliate centers located throughout the United States, Canada, Puerto Rico, and other international sites...
February 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28283724/radiation-dose-associated-with-ct-guided-drain-placement-for-pediatric-patients
#11
Cody J Schwartz, Ari J Isaacson, Lynn Ansley Fordham, Marija Ivanovic, J Bradford Taylor, Robert G Dixon
BACKGROUND: To date, there are limited radiation dose data on CT-guided procedures in pediatric patients. OBJECTIVE: Our goal was to quantify the radiation dose associated with pediatric CT-guided drain placement and follow-up drain evaluations in order to estimate effective dose. MATERIALS AND METHODS: We searched the electronic medical record and picture archiving and communication system (PACS) to identify all pediatric (<18 years old) CT-guided drain placements performed between January 2008 and December 2013 at our institution...
March 10, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28280621/inflammatory-bowel-diseases-activity-in-patients-undergoing-pelvic-radiation-therapy
#12
Pierre Annede, Thomas Seisen, Caroline Klotz, Renaud Mazeron, Pierre Maroun, Claire Petit, Eric Deutsch, Alberto Bossi, Christine Haie-Meder, Cyrus Chargari, Pierre Blanchard
BACKGROUND: Few studies with contradictory results have been published on the safety of pelvic radiation therapy (RT) in patients with inflammatory bowel disease (IBD). METHODS: From 1989 to 2015, a single center retrospective analysis was performed including all IBD patients who received pelvic external beam radiation therapy (EBRT) or brachytherapy (BT) for a pelvic malignancy. Treatment characteristics, IBD activity and gastrointestinal (GI) toxicity were examined...
February 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28274402/patient-reported-quality-of-life-during-definitive-and-postprostatectomy-image-guided-radiation-therapy-for-prostate-cancer
#13
Kevin Diao, Emily A Lobos, Eda Yirmibesoglu, Ram Basak, Laura H Hendrix, Brittney Barbosa, Seth M Miller, Kevin A Pearlstein, Gregg H Goldin, Andrew Z Wang, Ronald C Chen
PURPOSE: The importance of patient-reported outcomes is well-recognized. Long-term patient-reported symptoms have been described for individuals who completed radiation therapy (RT) for prostate cancer. However, the trajectory of symptom development during the course of treatment has not been well-described in patients receiving modern, image-guided RT. METHODS AND MATERIALS: Quality-of-life data were prospectively collected for 111 prostate cancer patients undergoing RT using the validated Prostate Cancer Symptom Indices, which assessed 5 urinary obstructive/irritative and 6 bowel symptoms...
March 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28271639/first-australian-experience-of-treating-localised-prostate-cancer-patients-with-cyberknife-stereotactic-radiotherapy-early-psa-response-acute-toxicity-and-quality-of-life
#14
Ashutosh Dixit, Colin Tang, Sean Bydder, Mary-Anne Kedda, Eva Vosikova, Chrianna Bharat, Suki Gill
INTRODUCTION: This study is to evaluate biochemical response, acute toxicity and health-related quality-of-life (QOL) outcomes among prostate cancer patients following stereotactic body radiation therapy (SBRT) in the first Australian CyberKnife facility. METHODS: Forty-five consecutive patients with clinically localised prostate cancer were treated with SBRT using CyberKnife technology and enrolled in this study. Protocol treatment consisted of 36.25 Gy in five fractions...
March 8, 2017: Journal of Medical Radiation Sciences
https://www.readbyqxmd.com/read/28254677/robotic-radical-parametrectomy-with-upper-vaginectomy-and-pelvic-lymphadenectomy-in-patients-with-occult-cervical-carcinoma-after-extrafascial-hysterectomy
#15
Arthur-Quan Tran, Stephanie A Sullivan, Paola A Gehrig, John T Soper, John F Boggess, Kenneth H Kim
STUDY OBJECTIVE: To confirm the safety and feasibility outcomes of robotic radical parametrectomy and pelvic lymphadenectomy and compare the clinicopathologic features of women requiring adjuvant treatment to historical literature. DESIGN: Retrospective cohort study and review of literature (Canadian Task Force classification II-2). SETTING: Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, USA PATIENTS: All patients who underwent robotic radical parametrectomy, upper vaginectomy (RRPV) and pelvic lymphadenectomy for occult cervical cancer discovered after an extrafascial hysterectomy at our institution from January 2007 to December 2015...
February 22, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28244408/tolerability-of-concurrent-chemoradiation-therapy-with-gemcitabine-gemx-with-and-without-prior-neoadjuvant-chemotherapy-in-muscle-invasive-bladder-cancer
#16
Catherine Thompson, Nuradh Joseph, Benjamin Sanderson, John Logue, James Wylie, Tony Elliott, Jeanette Lyons, Carmel Anandadas, Ananya Choudhury
PURPOSE: The aim of this study is to assess the tolerability of concurrent chemoradiation therapy with gemcitabine (GemX) in muscle invasive bladder cancer following neoadjuvant chemotherapy (neoGemX) by use of patient- and provider-reported outcomes. METHODS AND MATERIALS: Seventy-eight patients were treated with GemX. Thirty-eight received prior neoadjuvant chemotherapy (NAC). Patients were prospectively assessed during treatment and at 6 weeks and 12 months after treatment completion...
March 15, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28242162/molecular-screening-for-lynch-syndrome-in-young-patients-with-colorectal-adenomas
#17
Robin B Mendelsohn, Keri Herzog, Jinru Shia, Nadiyah Rahaman, Zsofia K Stadler, Moshe Shike
BACKGROUND: The frequency of mismatch repair (MMR) deficiency (dMMR) in patients < 50 years with adenomas without a known germline mutation is unknown. Our aim was to define the frequency of dMMRs in adenomas from patients aged < 50 years. PATIENTS AND METHODS: We identified all patients aged 18 to 49 years who had undergone colonoscopy at Memorial Sloan Kettering Cancer Center from 2008 to 2013 and were identified as having tubular, villous, or tubulovillous adenomas on pathology...
February 2, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28242154/systematic-review-and-meta-analysis-of-the-effect-of-internal-iliac-artery-exclusion-for-patients-undergoing-evar
#18
REVIEW
D C Bosanquet, C Wilcox, L Whitehurst, A Cox, I M Williams, C P Twine
OBJECTIVE: Endovascular abdominal aortic aneurysm repair (EVAR) sometimes requires internal iliac artery (IIA) coverage to achieve a landing zone in the external iliac artery. The aim of this study was to determine complication rates following IIA exclusion. MATERIALS AND METHODS: A systematic review of key journals was undertaken from January 1980 to April 2016. Studies detailing occlusion (using coils or plugs) or coverage of the IIA with outcome data were included...
February 24, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28241904/participation-in-activities-associated-with-quality-of-life-for-long-term-survivors-of-rectal-cancer
#19
Carmit Mcmullen, Liyan Liu, Joanna E Bulkley, Mark C Hornbrook, Christopher Wendel, Marcia Grant, Andrea Altschuler, Larissa Kf Temple, Robert S Krouse, Lisa Herrinton
CONTEXT: Cancer patients' participation in social, recreational, and civic activities is strongly associated with quality of life (QOL), but these activities are not well integrated into cancer survivorship research or interventions. OBJECTIVE: Test the hypothesis that for long-term (≥ 5 years) survivors of rectal cancer, clinical factors (type of surgery and bowel function) are associated with long-term participation in activities and that participation in activities is associated with long-term QOL...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28240668/131-i-mibg-therapy-in-a-metastatic-small-bowel-neuroendocrine-tumor-patient-undergoing-hemodialysis
#20
Behruz Rahimi, William Makis, Terence A Riauka, Alexander J B McEwan, Don Morrish
Systemic radioisotope therapy with I-metaiodobenzylguanidine (I-MIBG) is an effective form of targeted therapy for neuroendocrine tumors. One of the absolute contraindications to administering I-MIBG therapy listed in the 2008 European Association of Nuclear Medicine guidelines is renal insufficiency requiring dialysis, although this contraindication is not evidence based. We describe a 68-year-old woman with a metastatic small bowel neuroendocrine tumor who developed renal insufficiency requiring hemodialysis...
February 24, 2017: Clinical Nuclear Medicine
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