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https://www.readbyqxmd.com/read/29147633/a-unique-case-of-carotid-splaying-by-a-cervical-vagal-neurofibroma-and-the-role-of-neuroradiology-in-surgical-management
#1
Sally A Itawi, Mark Buehler, Robert E Mrak, Tarek R Mansour, Yacine Medhkour, Azedine Medhkour
Carotid splaying, also known as the Lyre sign, is a widening of the carotid bifurcation due to the displacement of the internal carotid artery and the external carotid artery just distal to the point of divergence. This phenomenon is classically exhibited by highly vascularized carotid body tumors and, in rare cases, by cervical sympathetic chain schwannomas. Demonstration of the Lyre sign by a cervical vagal neurofibroma, however, is a unique occurrence that has not been previously documented in the literature...
September 7, 2017: Curēus
https://www.readbyqxmd.com/read/29129469/does-the-use-of-volumetric-modulated-arc-therapy-reduce-gastrointestinal-symptoms-after-pelvic-radiotherapy
#2
K L White, E Varrassi, J A Routledge, L H Barraclough, J E Livsey, J McLaughlin, S E Davidson
AIMS: Growing numbers of patients with cancer are surviving after treatment with pelvic radiotherapy. We evaluated the technique of volumetric modulated arc therapy (VMAT), which delivers a decreased dose to the organs at risk. We aimed to determine outcomes of this technique in terms of patient-reported acute toxicity and late effects and correlate the frequency of gastrointestinal symptoms with the volume of bowel receiving radiation dose. MATERIALS AND METHODS: Patients who were to receive VMAT for gynaecological malignancy completed patient-reported outcomes at baseline, the end of treatment, 8 weeks and 1 year...
November 9, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/29114614/preoperative-radiation-dose-escalation-for-rectal-cancer-using-a-concomitant-boost-strategy-improves-tumor-downstaging-without-increasing-toxicity-a-matched-pair-analysis
#3
Jillian R Gunther, Awalpreet S Chadha, Ui Sup Shin, In Ja Park, Kiran V Kattepogu, Jonathan D Grant, David C Weksberg, Cathy Eng, Scott E Kopetz, Prajnan Das, Marc E Delclos, Harmeet Kaur, Dipen M Maru, John M Skibber, Miguel A Rodriguez-Bigas, Y Nancy You, Sunil Krishnan, George J Chang
Purpose: Pathologic complete response to neoadjuvant chemoradiation therapy (CRT) is associated with improved outcomes for patients with locally advanced rectal cancer (LARC). Increased response rates have been reported with higher radiation doses, but these studies often lack long-term outcome and/or toxicity data. We conducted a case-control analysis of patients with LARC who underwent definitive CRT to determine the efficacy and safety of intensified treatment with a concomitant boost (CB) approach...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29114609/dose-escalation-with-an-imrt-technique-in-15-to-28-fractions-is-better-tolerated-than-standard-doses-of-3dcrt-for-lapc
#4
Lauren E Colbert, Shalini Moningi, Awalpreet Chadha, Ahmed Amer, Yeonju Lee, Robert A Wolff, Gauri Varadhachary, Jason Fleming, Matthew Katz, Prajnan Das, Sunil Krishnan, Eugene J Koay, Peter Park, Christopher H Crane, Cullen M Taniguchi
Purpose: To review acute and late toxicities after chemoradiation for locally advanced pancreatic ductal adenocarcinoma in patients who were treated with escalated dose radiation (EDR). Methods and materials: Maximum Common Terminology Criteria for Adverse Events Version 4.0 acute toxicities (AT) during radiation and within 60 days after radiation were recorded for both acute gastrointestinal toxicity and overall toxicity (OT). Late toxicities were also recorded...
July 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29101508/a-sticky-situation-myocardial-infarction-in-a-young-woman-with-immune-thrombocytopenia-on-eltrombopag-and-a-history-of-mediastinal-radiation
#5
Jennifer Teichman, Ahmed Taher, Abdulaziz Hashi, Akshay Bagai, Michelle Sholzberg
More recent immune thrombocytopenia (ITP) treatment strategies enhance platelet production with the use of thrombopoietin receptor agonists (TPO-RA) such as eltrombopag. Patients receiving TPO-RA agents may be at an increased risk of thromboembolism, however the pathophysiology and common underlying risk factors are not well understood. We present the case of a young asplenic woman on eltrombopag for chronic ITP with acute myocardial infarction involving the right coronary artery. Past medical history was significant for remote mediastinal radiation for lymphoma and splenectomy for ITP...
November 3, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29040187/palliative-radiation-therapy-for-recurrent-ovarian-cancer-efficacy-and-predictors-of-clinical-response
#6
Ginger Jiang, Tracy Balboni, Allison Taylor, Joyce Liu, Larissa J Lee
OBJECTIVE: This study aimed to report response rates and predictors of response to palliative radiotherapy (RT) for recurrent ovarian cancer. METHODS/MATERIALS: Database review identified 64 patients with symptomatic ovarian cancer recurrence who received a total of 76 courses of RT for 103 indications from March 2003 to August 2014. Radiotherapy indications were pain (44%), bleeding (32%), obstruction (15%), and other (9%). Responses were categorized as complete, partial, or none; all response (AR) was the sum of complete and partial responses...
October 17, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29023527/dose-escalated-radiotherapy-for-unresectable-or-locally-recurrent-pancreatic-cancer-dose-volume-analysis-toxicity-and-outcome-of-28-consecutive-patients
#7
Sebastian Zschaeck, Bibiana Blümke, Peter Wust, David Kaul, Marcus Bahra, Hanno Riess, Fritz Klein, Marianne Sinn, Uwe Pelzer, Volker Budach, Pirus Ghadjar
PURPOSE: The role of radiotherapy for unresectable pancreatic cancer is controversial. A benefit of additional radiotherapy is supported by some observations. A dose-effect relationship was recently found by dose escalation employing image guided and intensity modulated radiotherapy. METHODS: We retrospectively evaluated 28 consecutive patients, all with history of extensive prior therapies for unresectable locally advanced/ recurrent pancreatic cancer (LAPC/LRPC)...
2017: PloS One
https://www.readbyqxmd.com/read/28992050/clinical-outcomes-of-125i-brachytherapy-with-and-without-external-beam-radiation-therapy-for-localized-prostate-cancer-results-from-300-patients-at-a-single-institution-in-japan
#8
Sayo Maki, Yoshiyuki Itoh, Seiji Kubota, Tohru Okada, Rie Nakahara, Junji Ito, Mariko Kawamura, Shinji Naganawa, Yasushi Yoshino, Takashi Fujita, Masashi Kato, Momokazu Gotoh, Mitsuru Ikeda
The aim of this study was to determine the outcomes and adverse events for 300 men with prostate cancer treated with 125iodine (125I) brachytherapy with and without external-beam radiation therapy (EBRT) at a single institution in Japan. Between February 2005 and November 2011, 300 consecutive patients with clinically localized prostate cancer were treated with 125I brachytherapy at the Nagoya University Hospital. A total of 271 men were treated with implants with doses of 145 Gy, and 29 men were treated with implants with doses of 110 Gy combined with EBRT (40-50 Gy/20-25 fractions)...
September 12, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28989927/metastatic-uterine-cancer-looking-as-cervical-fibroid-in-recurrent-breast-cancer-woman-a-case-report
#9
So Young Seo, Jin Yong Shin, Yong Il Ji
Metastasis to the female genital tract from extragenital primary cancer is uncommon. In this case, a 46-year-old woman was diagnosed with invasive lobular carcinoma of the left breast in 2011. She had left breast conserving surgery, chemotherapy, radiation, and hormonal therapy (gosereline and tamoxifen). However, she developed menorrhagia after interruption of hormonal therapy and incidentally, the ultrasonogram of her pelvis showed a solid, large mass in the cervix. It looked like leiomyoma. Because of massive vaginal bleeding requiring multiple blood transfusions, she underwent total hysterectomy with bilateral salpingo-oophorectomy...
September 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28959506/stereotactic-radiosurgery-and-ipilimumab-versus-stereotactic-radiosurgery-alone-in-melanoma-brain-metastases
#10
REVIEW
Steven M Nguyen, Aurelio Castrellon, Oliver Vaidis, Andrew E Johnson
Benefits of stereotactic radiosurgery (SRS) have been well established in melanoma brain metastases (MBM). Immunotherapy agents such as ipilimumab (ipi) have recently demonstrated clinical efficacy in advanced disease as well. The theoretical synergistic effects of combining these therapies in MBM have not been explored in detail, however, we conducted a systematic review with meta-analysis of studies that compared combined SRS and ipi versus SRS alone in MBM. Medical Literature Analysis and Retrieval System Online (MEDLINE) and Central databases were used for our literature search, which was conducted by three reviewers...
July 25, 2017: Curēus
https://www.readbyqxmd.com/read/28916678/gucy2c-signaling-opposes-the-acute-radiation-induced-gi-syndrome
#11
Peng Li, Evan Wuthrick, Jeff A Rappaport, Crystal Kraft, Jieru E Lin, Glen Marszalowicz, Adam E Snook, Tingting Zhan, Terry M Hyslop, Scott A Waldman
High doses of ionizing radiation induce acute damage to epithelial cells of the gastrointestinal (GI) tract, mediating toxicities restricting the therapeutic efficacy of radiation in cancer and morbidity and mortality in nuclear disasters. No approved prophylaxis or therapy exists for these toxicities, in part reflecting an incomplete understanding of mechanisms contributing to the acute radiation-induced GI syndrome (RIGS). Guanylate cyclase C (GUCY2C) and its hormones guanylin and uroguanylin have recently emerged as one paracrine axis defending intestinal mucosal integrity against mutational, chemical, and inflammatory injury...
September 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28895000/endoscopic-diode-laser-therapy-for-chronic-radiation-proctitis
#12
Lino Polese, Lucia Marini, Roberto Rizzato, Edgardo Picardi, Stefano Merigliano
The purpose of this study is to determine the effectiveness of endoscopic diode laser therapy in patients presenting rectal bleeding due to chronic radiation proctitis (CRP). A retrospective analysis of CRP patients who underwent diode laser therapy in a single institution between 2010 and 2016 was carried out. The patients were treated by non-contact fibers without sedation in an outpatient setting. Fourteen patients (median age 77, range 73-87 years) diagnosed with CRP who had undergone high-dose radiotherapy for prostatic cancer and who presented with rectal bleeding were included...
September 11, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28884454/prevalence-of-patient-reported-gastrointestinal-symptoms-and-agreement-with-clinician-toxicity-assessments-in-radiation-therapy-for-anal-cancer
#13
Ashlyn Tom, Antonia V Bennett, Diana Rothenstein, Ethel Law, Karyn A Goodman
PURPOSE: Gastrointestinal (GI) symptoms pose a significant burden to patients receiving chemoradiation therapy (CRT) for anal cancer; however, the impact of symptoms from the patient perspective has not been quantified. This retrospective study examined and compared patient and clinician reports of acute GI toxicity during CRT. MATERIALS AND METHODS: Patients treated with definitive RT using intensity-modulated radiation therapy for anal cancer between 9/09 and 11/12 were reviewed...
September 7, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28882607/efficacy-and-safety-in-frameless-robot-assisted-stereo-electroencephalography-seeg-for-drug-resistant-epilepsy
#14
I Ollivier, C Behr, H Cebula, A Timofeev, M Benmekhbi, M P Valenti, A M Staack, J Scholly, P Kehrli, E Hirsch, F Proust
INTRODUCTION: Stereo-electroencephalography (SEEG) is an invasive procedure, used to identify the epileptogenic zone that can be surgically removed in order to treat drug-resistant epilepsy. Frameless robot-assisted positioning of depth electrodes permits a 3D approach with different obliquities and trajectories. The objective of the present study was to evaluate the morbidity and the accuracy related to this frameless procedure. PATIENTS AND METHODS: Sixty-six patients were managed wherein 901 electrodes were implanted during a 6-year-period...
September 4, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28882603/gamma-knife-surgery-for-a-hemangioma-of-the-cavernous-sinus-in-an-adult-case-report-and-short-review-of-the-literature
#15
L Schwyzer, C Tuleasca, F-X Borruat, I Radovanovic, M Levivier
Cavernous sinus hemangiomas (CSH) are rare benign extra-axial vascular lesions. Both radiological and clinical aspects are important, for deciding a therapeutic modality, including medical treatment, radiation therapy or microsurgery. In the particular case of CSH, a radical removal of the tumor often cannot be achieved and is associated with a considerable risk for intraoperative uncontrollable bleeding. An alternative treatment modality is radiosurgery. Here we report the case of a 45-year-old patient, who presented with diplopia due to left abducens nerve palsy...
September 4, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28875090/regression-of-a-fungating-tumor-after-hypofractionated-radiation-therapy-in-a-patient-with-metastatic-breast-cancer
#16
Kevin Quackenbush, Arya Amini, Christine M Fisher, Rachel Rabinovitch
Radiation therapy is a well-established palliative treatment for symptomatic metastases from breast cancer. This is also true of symptomatic primary breast tumors in patients with metastatic disease or in those who are medically inoperable. Further, local progression in the chest wall can severely impair quality of life, with local pain, bleeding, and significant impact on one's self-image. Here, we present the case of a patient who showed an exceptional response to a palliative hypofractionated radiation course to her bleeding, fungating breast primary...
July 2, 2017: Curēus
https://www.readbyqxmd.com/read/28871989/long-term-outcomes-of-phase-1-and-2-studies-of-sbrt-for-hepatic-colorectal-metastases
#17
Andrew McPartlin, Anand Swaminath, Ri Wang, Melania Pintilie, James Brierley, John Kim, Jolie Ringash, Rebecca Wong, Rob Dinniwell, Tim Craig, Laura A Dawson
PURPOSE: To report mature outcomes of prospective phase 1 and 2 studies of stereotactic body radiation therapy (SBRT) for the treatment of colorectal liver metastases (CLMs). METHODS AND MATERIALS: Patients with histologically confirmed CLMs unsuitable for resection or standard therapies were eligible for sequential phase 1 and 2 studies conducted from 2003 to 2012. RESULTS: Of 60 patients treated, 82% had received previous chemotherapy, 23% had undergone previous focal liver treatment, and 38% had extrahepatic disease at the time of SBRT...
October 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28851683/delayed-extrusion-of-embolic-coils-into-the-airway-after-embolization-of-an-external-carotid-artery-pseudoaneurysm
#18
Zachary Wilseck, Luis Savastano, Neeraj Chaudhary, Aditya S Pandey, Julius Griauzde, Sumanna Sankaran, D Andrew Wilkinson, Joseph J Gemmete
Carotid blowout syndrome (CBS) is a known devastating complication of head and neck surgery. The risk of developing CBS increases in the setting of radiation therapy, wound breakdown, or tumor recurrence. Traditionally, the treatment of choice for CBS is surgical ligation of the bleeding artery; however, recently, endovascular occlusion has become a more common option. If a pseudoaneurysm is present, treatment consists of trapping with endovascular coils or occlusion with a liquid embolic agent. Delayed migration of embolization coils into the airway causing acute respiratory distress is a rare occurrence...
August 29, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28817446/bevacizumab-as-an-effective-treatment-for-radiation-necrosis-after-radiotherapy-for-melanoma-brain-metastases
#19
Isabella C Glitza, Nandita Guha-Thakurta, Neil M D'Souza, Rodabe N Amaria, Susan L McGovern, Ganesh Rao, Jing Li
Radiation necrosis (RN) is a potential late complication of radiotherapy for intracranial malignancy, which is often associated with significant neurological morbidity. Prolonged treatment with high-dose corticosteroids or surgical resection has been the standard care for RN, but protracted steroid use can lead to significant side effects and surgical resection is not always feasible. The antivascular endothelial growth factor monoclonal antibody bevacizumab induces clinical and radiographic improvements in RN, with overall good tolerance...
December 2017: Melanoma Research
https://www.readbyqxmd.com/read/28781797/effect-of-modern-high-quality-prostate-intensity-modulated-radiation-therapy-on-outcome-evidence-from-a-community-radiation-oncology-program
#20
Johnny Kao, Amanda Zucker, Jonathan Timmins, Shankar Taramangalam, Jeffrey Pettit, Aaron J Woodall, Edward Loizides, Andrew T Wong
Radiation technique for prostate cancer has continuously evolved over the past several decades. The aim of the present study was to describe the effects of implementing modern prostate intensity-modulated radiation therapy (M-IMRT) on dosimetry and outcome. Between January 2010 and April 2012, 48 consecutive patients were treated with conventional prostate IMRT (C-IMRT) to a dose of 81 Gy. Between May 2012 and April 2015, 50 consecutive patients were treated with M-IMRT to the entire prostate to a dose of 75...
August 2017: Molecular and Clinical Oncology
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