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Journal of Medical Imaging and Radiation Oncology

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https://www.readbyqxmd.com/read/28762670/radiological-tenckhoff-catheter-insertion-for-peritoneal-dialysis-a-cost-effective-approach
#1
James Lee, Nigel Mott, Usman Mahmood, John Clouston, Kara Summers, Pauline Nicholas, Pedro Henrique França Gois, Dwarakanathan Ranganathan
INTRODUCTION: Radiological insertion of Tenckhoff catheters can be an alternative option for peritoneal dialysis access creation, as compared to surgical catheter insertion. This study will review the outcomes and complications of radiological Tenckhoff catheter insertion in a metropolitan renal service and compare costs between surgical and radiological insertion. METHODS: Data were collected prospectively for all patients who had a Tenckhoff catheter insertion for peritoneal dialysis (PD) under radiological guidance at our hospital from May 2014 to November 2016...
August 1, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28762641/mri-measurements-of-the-thoracic-aorta-and-pulmonary-artery
#2
Leyla Beck, Abdi-Aziz Mohamed, Wendy E Strugnell, Harry Bartlett, Viviana Rodriguez, Christian Hamilton-Craig, Richard E Slaughter
INTRODUCTION: The purpose of this study was to obtain a range of normal measurements of the adult thoracic aorta and main pulmonary artery using cardiac MRI, and to assess agreement between measurements made on ECG-gated two-dimensional (2D) breath held steady-state-free precession (SSFP), and three-dimensional (3D) breath held SSFP image acquisitions. METHODS: Forty-nine normal volunteers underwent cardiac MRI using a 1.5T system. Two independent examiners measured the ascending aorta, aortic arch, descending thoracic aorta and main pulmonary artery in pre-defined locations...
August 1, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28755448/short-term-in%C3%A2-vivo-precision-of-whole-body-composition-measurements-on-the-horizon-a-densitometer
#3
Michael Nowitz, Paula Monahan
INTRODUCTION: Dual-energy X-ray absorptiometry (DXA) is increasingly being used to assess abnormalities in body composition associated with a wide variety of conditions including obesity, sarcopenia, diabetes, anorexia, human immunodeficiency virus lipodystrophy, malabsorption and neuromuscular disorders. The objective of this study was to determine the short-term in vivo precision and least significant change in serial body composition measurements provided by the Hologic Horizon A densitometer as there is no published, peer reviewed body composition precision data on Horizon scanners in the medical literature...
July 29, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28741839/feasibility-of-spacers-to-facilitate-postoperative-radiotherapy-for-retroperitoneal-sarcomas
#4
Jessica Reid, Richard Smith, Martin Borg, Christopher Dobbins, Raghu Gowda, Steve Chryssidis, Matthew Borg, Susan Neuhaus
INTRODUCTION: The role and timing of postoperative radiotherapy (PORT) in the management of retroperitoneal sarcoma (RPS) remains controversial. METHOD: This is a retrospective cohort review of patients undergoing curative resection for RPS at a single institution between January 2011 and July 2016. Patient selection was through the South Australian Soft Tissue Tumour Multidisciplinary Group (MDT) based at Royal Adelaide Hospital. An individualised approach, including assessment of resectability, histopathological grade and subtype, and radiotherapy considerations, was taken for each patient...
July 25, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28727277/high-dose-palliative-radiotherapy-for-malignant-pleural-mesothelioma
#5
Farshad Foroudi, Jennifer G Smith, Faye Putt, Morikatsu Wada
INTRODUCTION: High-dose radiotherapy to the hemithorax for patients with malignant pleural mesothelioma is a controversial treatment. Between 2003 and 2013 our institution had a policy of giving hemithoracic radiotherapy to at least 45 Gy. This retrospective study reports survival, progression and toxicity associated with this policy. METHODS: Seventy-one patients with pleural mesothelioma were irradiated with doses of 45-60 Gy. Conformal radiotherapy (3D-CRT) to the lower hemithorax was used for 17 and intensity-modulated radiotherapy (IMRT) to the whole hemithorax for 54 patients...
July 20, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28726260/three-year-experience-with-interventional-neuroradiology-for-management-of-cerebral-aneurysms-at-a-single-australian-centre
#6
Aden McLaughlin, Hal Rice, Laetitia de Viliers, Teresa Withers, David Pearson, Moira Arnell, Kerin Walters, Sarah Czuchwicki, Andrew Bulmer, James Winearls
INTRODUCTION: Over the last decade interventional neuroradiology (NR) has become the mainstay of managing cerebral aneurysms. The aim of our study was to review our growing experiences with interventional NR and quantify morbidity and mortality associated with these procedures. METHODS: The electronic medical records of all patients admitted to the Gold Coast (University) Hospital Intensive Care Unit following subarachnoid haemorrhage (SAH) or elective interventional NR management of cerebral aneurysms between January 2012 and December 2014 were retrieved...
July 20, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28714296/-68-ga-somatostatin-analogue-pet-ct-analysis-of-costs-and-benefits-in-a-public-hospital-setting
#7
Tatiana Segard, Laurence Mja Morandeau, Elizabeth A Geelhoed, Roslyn J Francis
INTRODUCTION: Between 2009 and 2012, (68) Ga-somatostatin analogue PET-CT progressively replaced (111) In-octreotide scintigraphy for imaging neuroendocrine tumours in WA public hospitals due to published literature demonstrating improved diagnostic accuracy and increased availability. Despite significantly improved sensitivity and specificity, (68) Ga-somatostatin analogue PET is currently unfunded in Australia. This study sought to undertake cost analysis of the two modalities in a public hospital setting and to compare them with regard to patient factors such as imaging time and radiation dose...
July 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28695675/the-role-of-diffusion-weighted-imaging-in-prediction-liver-iron-concentration-in-beta-thalassaemia-patients
#8
Suha Akpinar, Guliz Yilmaz, Nail Bulakbasi, Murat Kocaoglu
OBJECTIVE: The aim of this study was to analyse the value of diffusion-weighted magnetic resonance imaging (DWI) to determine the liver parenchyma iron concentration in β-thalassaemia major patients. METHODS: Abdominal magnetic resonance (MR) imaging, including gradient echo sequences and DWI sequences, was undertaken of 55 β-thalassaemia major patients. The apparent diffusion coefficient (ADC) values of liver parenchyma were measured in seven regions at the level of the portal bifurcation and compared with liver iron concentration (LIC)...
July 11, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28664678/radiation-oncology-directors-of-training-survey-2016-perspectives-and-challenges
#9
John Leung, Margot Lehman
INTRODUCTION: This paper reports the key findings of the first survey of Australian and New Zealand Radiation Oncology Directors of Training (DoTs) dealing with their perspectives, experiences and challenges. METHODS: The survey was conducted in September 2016 using a 34-question instrument. It was emailed to all radiation oncology DoTs listed on the Royal Australian and New Zealand College of Radiologists (RANZCR) database. The questions related to demographics, protected time, weekly activities, support, the value of curriculum assessments, challenges and suggested improvements...
June 30, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28664638/the-roles-of-the-diffusion-weighted-imaging-in-orbital-masses
#10
Warinthorn Phuttharak, Arunnit Boonrod, Natnicha Patjanasoontorn, Udomlack Peansukwech, Kittisak Sawanyawisuth
INTRODUCTION: Causes of orbital masses can be either benign or malignant. An MRI with diffusion-weighted imaging (DWI) may be helpful to differentiate causes of orbital masses. This study aimed to evaluate the diagnostic properties of an apparent diffusion coefficient (ADC) in orbital masses. METHODS: We retrospectively reviewed patients with orbital masses who underwent DWI and had histopathological results. Orbital lesions were categorized as benign or malignant and compared with respect to the ADC and ADC ratio...
June 30, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28623872/uptake-in-sympathetic-ganglia-on-68-ga-psma-hbed-pet-ct-a-potential-pitfall-in-scan-interpretation
#11
Gowri L Kanthan, Edward Hsiao, Dzung Vu, Geoffrey Paul Schembri
INTRODUCTION: The aim of this study was to assess the frequency of PSMA-HBED uptake in coeliac and stellate ganglia in patients presenting for PSMA-HBED PET/CT scan. METHODS: Prostate-specific membrane antigen-HBED PET/CT scans of 100 consecutive patients were analysed. Coeliac and stellate ganglia were identified by their anatomical location. PSMA-HBED uptake in these ganglia was recorded as either present or absent. If present, the SUVmax value for each ganglion was measured and compared to SUVmax of mediastinal blood pool...
June 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28623852/frusemide-aids-diagnostic-interpretation-of-68-ga-psma-positron-emission-tomography-ct-in-men-with-prostate-cancer
#12
Niall Fennessy, Jonathan Lee, Jane Shin, Bao Ho, Syed Aman Ali, Royce Paschkewitz, Louise Emmett
INTRODUCTION: (68) Ga-PSMA positron emission tomography-computed tomography (PET/CT) is useful for both staging and assessment of biochemical relapse in men with prostate cancer. Renal excretion of (68) Ga-PSMA can lead to difficulties in scan interpretation, particularly in the pelvis. We evaluated if intravenous Frusemide at the time of (68) Ga-PSMA injection reduces excreted activity artefact and improves diagnostic certainty. METHODS: Sixty-two men with prostate cancer undergoing clinically indicated (68) Ga-PSMA PET/CT were prospectively included, 30 men receiving Frusemide at the time of radiotracer injection...
June 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28623847/toxicity-after-post-prostatectomy-image-guided-intensity-modulated-radiotherapy-using-australian-guidelines
#13
Stephen Chin, Noel J Aherne, Andrew Last, Hassan Assareh, Thomas P Shakespeare
INTRODUCTION: We evaluated single institution toxicity outcomes after post-prostatectomy radiotherapy (PPRT) via image-guided intensity-modulated radiation therapy (IG-IMRT) with implanted fiducial markers following national eviQ guidelines, for which late toxicity outcomes have not been published. METHODS: Prospectively collected toxicity data were retrospectively reviewed for 293 men who underwent 64-66 Gy IG-IMRT to the prostate bed between 2007 and 2015. RESULTS: Median follow-up after PPRT was 39 months...
June 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28608503/acute-radiation-oesophagitis-associated-with-2-deoxy-2-18f-fluoro-d-glucose-uptake-on-positron-emission-tomography-ct-during-chemo-radiation-therapy-in-patients-with-non-small-cell-lung-cancer
#14
Sarah Everitt, Jason Callahan, Eman Obeid, Rodney J Hicks, Michael Mac Manus, David Ball
INTRODUCTION: Acute radiation oesophagitis (ARO) is frequently experienced by patients receiving concurrent chemo-radiation therapy (cCRT) for non-small-cell lung cancer (NSCLC). We investigated ARO symptoms (CTCAE v3.0), radiation dose and oesophageal FDG PET/CT uptake. METHOD: Candidates received cCRT (60 Gy, 2 Gy/fx) and sequential FDG PET/CT (baseline FDG0 , FDGwk2 and FDGwk4 ). Mean and maximum standardized uptake value (SUVmean and SUVmax) and radiation dose (Omean and Omax ) were calculated within the whole oesophagus and seven sub-regions (5-60 Gy)...
June 13, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28600853/mixed-methods-study-on-the-use-of-and-attitudes-towards-safety-checklists-in-interventional-radiology
#15
Zachary Munn, Kristy Giles, Edoardo Aromataris, Anita Deakin, Timothy Schultz, Catherine Mandel, Micah Dj Peters, Guy Maddern, Alan Pearson, William Runciman
INTRODUCTION: The use of safety checklists in interventional radiology is an intervention aimed at reducing mortality and morbidity. Currently there is little known about their practical use in Australian radiology departments. The primary aim of this mixed methods study was to evaluate how safety checklists (SC) are used and completed in radiology departments within Australian hospitals, and attitudes towards their use as described by Australian radiologists. METHODS: A mixed methods approach employing both quantitative and qualitative techniques was used for this study...
June 10, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28585398/genetic-status-determines-18-f-fdg-uptake-in-pheochromocytoma-paraganglioma
#16
Ankita Tiwari, Nalini Shah, Vijaya Sarathi, Gaurav Malhotra, Ganesh Bakshi, Gagan Prakash, Kranti Khadilkar, Reshma Pandit, Anurag Lila, Tushar Bandgar
INTRODUCTION: Although few studies have demonstrated utility of (18) F- fluoro-2-deoxy-d-glucose positron emission tomography/computerised tomography ((18) F-FDG PET/CT) in benign pheochromocytoma/paragangliomas (PCC/PGLs), there limited data on factors predicting the FDG uptake in PCC/PGL. METHODS: The study was conducted at a tertiary health care centre. In addition to the routine investigations, all patients (n = 96) with PCC/PGL were evaluated with (18) F-FDGPET/CT and majority (n = 78) underwent (131) I-metaiodobenzyl guanidine ((131) I-MIBG) scintigraphy...
June 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28581195/minimal-preparation-ct-a-literature-review-of-a-minimally-invasive-imaging-technique-for-colorectal-cancer-in-a-frail-aged-population
#17
REVIEW
Andrew D Csillag, Anna R Quirk, Michael V Chan, Lloyd J Ridley
Colorectal cancer (CRC) is a common malignancy with increased incidence in the elderly. When CRC is suspected, patients are typically evaluated with optical colonoscopy (OC) or CT Colonography (CTC). Unfortunately, in the frail and elderly patient, these investigations can be difficult to perform and are often not tolerated. Minimal preparation computed tomography (MPCT) is a CT technique to evaluate the colon. Although protocols vary, typically, no preparation is required apart from administration of oral contrast for faecal tagging...
June 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28581035/effective-doses-and-standardised-risk-factors-from-paediatric-diagnostic-medical-radiation-exposures-information-for-radiation-risk-communication
#18
Giovanni Bibbo
INTRODUCTION: In the paediatric medical radiation setting, there is no consistency on the radiation risk information conveyed to the consumer (patient/carer). Each communicator may convey different information about the level of risk for the same radiation procedure, leaving the consumer confused and frustrated. There is a need to standardise risks resulting from medical radiation exposures. In this study, paediatric radiographic, fluoroscopic, CT and nuclear medicine examination data have been analysed to provide (i) effective doses and radiation induced cancer risk factors from common radiological and nuclear medicine diagnostic procedures in standardised formats, (ii) awareness of the difficulties that may be encountered in communicating risks to the layperson, and (iii) an overview of the deleterious effects of ionising radiation so that the risk communicator can convey with confidence the risks resulting from medical radiation exposures...
June 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28557310/larynx-motion-considerations-in-partial-larynx-volumetric-modulated-arc-therapy-for-early-glottic-cancer
#19
Houda Bahig, Phuc Félix Nguyen-Tan, Édith Filion, David Roberge, Pensavan Thanomsack, Jacques de Guise, Danis Blais, Robert Doucet, Laurent Létourneau-Guillon, Louise Lambert
INTRODUCTION: To assess laryngeal motion in early glottic cancer in order to determine safe margins for partial larynx volumetric modulated arc therapy (PL-VMAT), and to quantify dosimetric advantages of PL-VMAT. METHODS: This prospective study included T1-2N0 glottic cancers treated with whole larynx VMAT (WL-VMAT). Pre- and mid-treatment 4D-computed tomography (4D-CT) and dynamic magnetic resonance imaging (MRI) allowed for assessment of larynx swallowing and respiratory motion...
May 30, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28782288/the-superficial-femoral-vein-time-to-change-this-misnomer
#20
Chong Chyn Chua, Frank S Hong, Wai Khoon Ho
No abstract text is available yet for this article.
August 2017: Journal of Medical Imaging and Radiation Oncology
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