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Journal of Medical Imaging and Radiation Oncology

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https://www.readbyqxmd.com/read/28070962/transjugular-intrahepatic-portosystemic-shunt-indications-complications-survival-and-its-use-as-a-bridging-therapy-to-liver-transplant-in-western-australia
#1
Puraskar Pateria, Gary P Jeffrey, George Garas, Jonathan Tibballs, John Ferguson, Luc Delriviere, Yi Huang, Leon A Adams, Gerry MacQuillan
INTRODUCTION: Insertion of transjugular intrahepatic portosystemic shunt (TIPS) is an established therapeutic option to treat the complications of portal hypertension. The purpose of this study is to review the experience of a single Australian institute with TIPS and evaluation of result to emphasize the indication, aetiology of portal hypertension, prognostic factors, complications and survival. Use of TIPS as a bridge to liver transplantation was also analysed. METHOD: A retrospective cohort study of patients treated with TIPS at The Western Australian Liver Transplant Unit, Sir Charles Gairdner Hospital, over a period of 12 years...
January 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28070961/does-f-18-fdg-pet-still-play-a-role-in-metastatic-renal-cell-carcinoma
#2
Alessia Mennitto, Paolo Grassi, Elena Verzoni, Raffaele Ratta, Giuseppe Procopio
No abstract text is available yet for this article.
January 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28052571/classification-of-normal-screening-mammograms-is-strongly-influenced-by-perceived-mammographic-breast-density
#3
Zoey Zy Ang, Mohammad A Rawashdeh, Rob Heard, Patrick C Brennan, Warwick Lee, Sarah J Lewis
INTRODUCTION: To investigate how breast screen readers classify normal screening cases using descriptors of normal mammographic features and to assess test cases for suitability for a single reading strategy. METHODS: Fifteen breast screen readers interpreted a test set of 29 normal screening cases and classified them by firstly rating their perceived difficulty to reach a 'normal' decision, secondly identifying the cases' salient normal mammographic features and thirdly assessing the cases' suitability for a single reading strategy...
January 3, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28019087/magnetic-resonance-imaging-findings-of-central-nervous-system-in-lysosomal-storage-diseases-a-pictorial-review
#4
Nathan Fagan, Allen Alexander, Neville Irani, Charbel Saade, Lena Naffaa
Lysosomal storage diseases (LSD) are a complex group of genetic disorders that are a result of inborn errors of metabolism. These errors result in a variety of metabolic dysfunction and build-up certain molecules within the tissues of the central nervous system (CNS). Although, they have discrete enzymatic deficiencies, symptomology and CNS imaging findings can overlap with each other, which can become challenging to radiologists. The purpose of this paper is to review the most common CNS imaging findings in LSD in order to familiarize the radiologist with their imaging findings and help narrow down the differential diagnosis...
December 25, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28019086/the-risk-of-secondary-cancer-in-nasopharyngeal-carcinoma-paediatric-patients-due-to-intensity-modulated-radiotherapy-and-mega-voltage-cone-beam-computed-tomography
#5
Reham S Sherif, Ehab M Attalla, Wael M Elshemey, Noha G Madian
INTRODUCTION: There is a growing interest in the study of radiation-induced secondary cancer. The aim of this work is (i) to estimate the peripheral doses attributable to intensity modulated radiotherapy (IMRT) and mega-voltage cone beam computed tomography (MV-CBCT) for some organs at risk (OARs) which surround the target being treated (Nasopharynx) in paediatric patients. (ii) To estimate the risk of radiation-induced secondary cancers attributable to patient setup verification imaging dose using MV-CBCT for Nasopharyngeal Carcinoma (NPC) in paediatric patients and comparing it with that attributable to the therapeutic dose using IMRT...
December 25, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28004515/cardiac-risk-index-as-a-simple-geometric-indicator-to-select-patients-for-the-heart-sparing-radiotherapy-of-left-sided-breast-cancer
#6
KiHoon Sung, Young Eun Choi, Kyu Chan Lee
INTRODUCTION: This is a dosimetric study to identify a simple geometric indicator to discriminate patients who meet the selection criterion for heart-sparing radiotherapy (RT). The authors proposed a cardiac risk index (CRI), directly measurable from the CT images at the time of scanning. METHODS: Treatment plans were regenerated using the CT data of 312 consecutive patients with left-sided breast cancer. Dosimetric analysis was performed to estimate the risk of cardiac mortality using cardiac dosimetric parameters, such as the relative heart volumes receiving ≥25 Gy (heart V25 )...
December 21, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28004509/serial-changes-of-computed-tomographic-peritoneogram-in-patients-with-symptomatic-ultrafiltration-failure-complicating-continuous-ambulatory-peritoneal-dialysis
#7
Michelle Cheung, Ferdinand Sk Chu, Lorraine Py Kwan
INTRODUCTION: It is well-known that continuous ambulatory peritoneal dialysis (CAPD) is associated with complications. And some of these complications are well-demonstrated as abnormalities on computed tomographic peritoneogram (CTP). The objective of our study is to document the serial changes of these complications. METHODS: We retrospectively reviewed 125 patients treated with CAPD for end staged renal failure (ESRF) who had CTP conducted in our hospital between December 2006 and August 2015...
December 21, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27995735/midsagittal-corpus-callosum-area-and-conversion-to-multiple-sclerosis-after-clinically-isolated-syndrome-a-multicentre-australian-cohort-study
#8
Cara Odenthal, Steve Simpson, Justin Oughton, Ingrid van der Mei, Stephen Rose, Jurgen Fripp, Robyn Lucas, Bruce Taylor, Keith Dear, Anne-Louise Ponsonby, Alan Coulthard
INTRODUCTION: Patients presenting with clinically isolated syndrome (CIS) may proceed to clinically definite multiple sclerosis (CDMS). Midsagittal corpus callosum area (CCA) is a surrogate marker for callosal atrophy, and can be obtained from a standard MRI study. This study explores the relationship between CCA measured at CIS presentation (baseline) and at 5 years post presentation, with conversion from CIS to CDMS. The association between CCA and markers of disability progression is explored...
December 20, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27995770/consensus-statements-on-the-imaging-of-axial-spondyloarthritis-in-australia-and-new-zealand
#9
Steven L Truong, Nivene F Saad, Philip C Robinson, Greg Cowderoy, Irwin Lim, Lionel Schachna, Simon Stebbings, Stephen Stuckey, Andrew L Taylor, Samuel L Whittle, Jane Zochling, Paul Bird, Matthew A Brown
No abstract text is available yet for this article.
December 19, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27987276/in-gantry-mri-guided-prostate-biopsy-diagnosis-of-prostatitis-and-its-relationship-with-pirads-v-2-based-score
#10
Rajeev Jyoti, Noel Hamesh Jina, Hodo Z Haxhimolla
INTRODUCTION: The recent literature has focussed predominantly on prostate cancer detection which has been revolutionized by multiparametric magnetic resonance imaging (mpMRI). Due to an overlap of features, prostatitis may mimic prostate cancer on MRI, especially in patients with chronic prostatitis. We retrospectively analysed our in-gantry MRI-guided biopsy (MRGB) results to determine incidental detection rate of prostatitis in Prostate Imaging Reporting and Data System (PIRADS) 3, 4 and 5 foci reported on diagnostic MRI of the prostate...
December 16, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27987274/breast-interest-group-faculty-of-radiation-oncology-australian-and-new-zealand-patterns-of-practice-survey-on-breast-radiotherapy
#11
Kimberley Nguyen, Penny Mackenzie, Angela Allen, Marcus Dreosti, Marita Morgia, Yvonne Zissiadis, Gilian Lamoury, Apsara Windsor
INTRODUCTION: This patterns of practice study was conducted on behalf of the RANZCR Breast Interest Group in order to document current radiotherapy practices for breast cancer in Australia and New Zealand. The survey identifies variations and highlights potential contentious aspects of radiotherapy management of breast cancer. METHODS: A fifty-eight question survey was disseminated via the Survey Monkey digital platform to 388 Radiation Oncologists in Australia and New Zealand...
December 16, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27987266/neuroimaging-of-chronic-alcohol-misuse
#12
REVIEW
Caitriona Logan, Hamed Asadi, Hong Kuan Kok, Seamus T Looby, Paul Brennan, Alan O'Hare, John Thornton
Alcohol is one of the most commonly abused substances worldwide. It results in a wide range of diseases and disorders affecting many organ systems. Alcohol-related nutritional deficiencies and electrolyte disturbance leave chronic abusers at risk of a range of demyelinating conditions to which the radiologist and clinician should always be alert. These include Wernicke's encephalopathy, Korsakoff's syndrome, Marchiafava-Bignami disease and osmotic demyelination. Cerebral volume loss is also a commonly encountered neuroimaging phenomenon in chronic alcohol abusers...
December 16, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27987260/radiation-oncology-research-grants-awarded-by-the-royal-australian-and-new-zealand-college-of-radiologists-value-for-money
#13
Daniel E Roos, Joshua K Kartika, Marcus Q Hu
INTRODUCTION: The Royal Australian and New Zealand College of Radiologists (RANZCR) and other medical colleges have provided research grants from their budgets for many years. This survey-based project aimed to determine whether the RANZCR Faculty of Radiation Oncology (FRO) is realizing value for money from its seed funding, and to compare this with grant activities of the other colleges. METHODS: Eligible FRO grant recipients between 1999 and 2014 were surveyed regarding bibliometric data, subjective outcomes and factors considered important in completing their research projects...
December 16, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27981807/does-temproray-bilateral-balloon-occlusion-of-the-common-iliac-arteries-reduce-the-need-for-intra-operative-blood-transfusion-in-cases-of-placenta-accretism
#14
Sinan Al-Hadethi, Shane Fernando, Simon Hughes, Ajay Thakorlal, Adam Seruga, Bonnie Scurry
INTRODUCTION: Bilateral balloon occlusion has been employed as a prophylactic measure in cases of placenta accretism prior to caesarean section with the aim of reducing blood loss and its associated morbidity/mortality. There is however no clear consensus on its efficacy in the current literature. The objective of this study was to assess the efficacy of bilateral balloon occlusion of the common iliac arteries (CIA) in reducing intra-operative morbidity in cases of placenta accretism...
December 16, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27981791/the-role-of-imaging-in-the-surveillance-and-diagnosis-of-hepatocellular-cancer
#15
REVIEW
Gurjeet Dulku, Ravinder Dhillon, Mark Goodwin, Wendy Cheng, Nick Kontorinis, Richard Mendelson
A decision support tool has been developed as part of a suite of on-line evidence-based and consensus-based guidelines Diagnostic imaging Pathways (DIP): www.imagingpathways.health.wa.gov.au) in the form of an algorithmic flow chart with supporting evidence and consensus to inform referrers to diagnostic imaging and radiologists as to the optimum strategy for surveillance and diagnosis of primary hepatocellular cancer (HCC) in those patients with risk factors of this disease. A literature review, including reference to several international consensus-based expert guidelines, has been employed to develop this tool...
December 16, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27891826/ct-brain-perfusion-a-static-phantom-study-of-contrast-to-noise-ratio-and-radiation-dose
#16
Stewart M Midgley, Damien L Stella, Bruce Cv Campbell, Francesca Langenberg, Paul F Einsiedel
INTRODUCTION: Computed tomography perfusion (CTP) is increasingly employed in the diagnosis and management of ischaemic stroke but radiation dose can be significant and optimising contrast-to-noise ratio (CNR) is challenging. This study aimed to quantify and optimise the balance between CNR as a surrogate for image quality and radiation dose. METHODS: A perspex head phantom with vials of dilute contrast agent was scanned using a Siemens Definition Flash 128-slice scanner...
November 27, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27888585/discrepancy-rates-in-reporting-of-acute-stroke-ct
#17
Christopher Sj Astill, Marc J Agzarian
INTRODUCTION: With increasing after-hours workloads there has been reliance on registrars to report after-hours acute stroke CT scans at our institution. This practice was reviewed for the perceived possibility of error and poor patient outcomes by the reliance on after-hours registrar reports. Through an audit of 3 years of these studies, we proposed to investigate if our current practice is safe and whether it results in poor patient outcomes. METHODS: Following ethics approval, all after-hours acute stroke CT scan reports from September 2012 to August 2015 were identified using the PACS...
November 25, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27885810/value-of-18-f-fdg-pet-mri-for-the-outcome-of-ct-guided-facet-block-therapy-in-cervical-facet-syndrome-initial-results
#18
Lino M Sawicki, Benedikt M Schaarschmidt, Philipp Heusch, Christian Buchbender, Sandra Rosenbaum-Krumme, Lale Umutlu, Sven O Eicker, Andreas Bockisch, Gerald Antoch, Frank W Floeth
INTRODUCTION: The aim of this study was to evaluate the ability of (18) F-fluorodeoxyglucose positron emission tomography/magnetic resonance imaging ((18) F-FDG PET/MRI) to detect PET-positive cervical facet arthropathy and identify patients who benefit from facet block therapy. METHODS: Ten patients with cervical facet syndrome (mean age: 65 ± 12 years) underwent (18) F-FDG PET/MRI of the neck. Focal (18) F-FDG uptake in PET-positive facet joints served as target for computed tomography (CT)-guided facet blocks...
November 25, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27863028/utility-of-hybrid-spect-ct-in-primary-melanoma-lymphoscintigraphy-a-retrospective-case-series
#19
Khimling Tew, David Farlow
INTRODUCTION: Sentinel lymph node (SLN) biopsy is widely accepted as an important part of staging cutaneous malignant melanoma. Hybrid single photon emission computed tomography and computed tomography (SPECT/CT) may identify additional SLN and provide important information to the surgeon performing SLN biopsy. We report our experience at a major referral centre for melanoma surgery. METHODS: Retrospective case series of pre-operative sentinel node lymphoscintigraphy for primary melanoma over a consecutive 12-month period...
November 14, 2016: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/27863010/survey-of-image-guided-radiotherapy-use-in-australia
#20
Vikneswary Batumalai, Lois Charlotte Holloway, Shivani Kumar, Kylie Dundas, Michael Geoffrey Jameson, Shalini Kavita Vinod, Geoff P Delaney
INTRODUCTION: This study aimed to evaluate the current use of imaging technologies for planning and delivery of radiotherapy (RT) in Australia. METHODS: An online survey was emailed to all Australian RT centres in August 2015. The survey inquired about imaging practices during planning and treatment delivery processes. Participants were asked about the types of image-guided RT (IGRT) technologies and the disease sites they were used for, reasons for implementation, frequency of imaging and future plans for IGRT use in their department...
November 9, 2016: Journal of Medical Imaging and Radiation Oncology
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