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Journal of Medical Imaging and Radiation Oncology

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https://www.readbyqxmd.com/read/28940774/functional-airway-obstruction-observed-with-hyperpolarized-129-xenon-mri
#1
Erin J Song, Chris R Kelsey, Bastiaan Driehuys, Leith Rankine
Hyperpolarized (129) Xenon-MRI (HP (129) Xe MRI) is an emerging imaging modality that allows assessment of both ventilation and gas transfer. Most research to date has focused on non-malignant pulmonary diseases. However, the capability of evaluating the two primary physiological processes of the lung (ventilation and gas transfer) makes HP (129) Xe MRI a promising imaging modality in the management of patients with lung cancer.
September 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28901690/hypothenar-hammer-syndrome-in-an-office-worker
#2
Fan Zhang, Yuranga Weerakkody, Patrik Tosenovsky
Hypothenar hammer syndrome (HHS) is an uncommon cause of unilateral Raynaud's phenomenon, splinter haemorrhages and hypothenar weakness. The typical patient is a male blue-collar worker who uses their hypothenar eminence to hammer objects as part of their work. The distal ulnar artery beyond Guyon's canal is superficial and vulnerable to blunt trauma. CTA and MRA are common initial investigations and can suggest the diagnosis. DSA is the gold standard imaging modality and offers therapeutic opportunities. Management is controversial, but unless there is critical digital ischaemia, conservative treatment is first line...
September 13, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28861947/intravenous-lobular-capillary-haemangioma-pyogenic-granuloma-a-case-report-and-a-review-of-imaging-findings-as-reported-in-the-literature
#3
William K Loftus, Andrew J Spurrier, Frank Voyvodic, Susan J Neuhaus, Craig L James
INTRODUCTION: Intravenous lobular capillary haemangioma (IVLCH) is a rare benign lesion with minimal published reports containing a description of its appearance at medical imaging. We present the ultrasound and MRI images of a histologically proven IVLCH and provide the first review of the imaging findings reported in the literature. METHODS: The imaging findings of a case of IVLCH are presented. A PubMed search of English language articles was performed from 1966 to October 2016, and all relevant papers were reviewed...
September 1, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28856847/comparison-of-patient-reported-acute-urinary-and-sexual-toxicity-scores-in-a-6-versus-2-fraction-course-of-high-dose-rate-prostate-brachytherapy-monotherapy
#4
Omar Ragab, Robyn Banerjee, Sang-June Park, Shyamal Patel, Mingle Zhang, Jason Wang, Maria Velez, David Jeffrey Demanes, Mitchell Kamrava
INTRODUCTION: To identify differences in acute urinary and sexual toxicity between a 6-fraction and 2-fraction high-dose-rate brachytherapy monotherapy regimen and correlate dosimetric constraints to short-term toxicity. METHODS: A single institution retrospective study of 116 men with prostate cancer treated with HDR monotherapy from 2010 to 2015 was conducted. Eighty-one men had 7.25 Gy × 6-fractions and 35 men had 13.5 Gy × 2-fractions. Patients had two CT-planned implants spaced 1-2 weeks apart...
August 29, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28834326/proposal-for-a-gold-standard-for-cosmetic-evaluation-after-breast-conserving-therapy-results-from-the-st-george-and-wollongong-breast-boost-trial
#5
Roya Merie, Lois Browne, Jaime S Cardoso, Maria J Cardoso, Yaw Chin, Catherine Clark, Peter Graham, Alison Szwajcer, Eric Hau
INTRODUCTION: Breast cosmesis is an important endpoint of breast conserving therapy (BCT), but a gold standard method of its evaluation is not yet established. The St. George and Wollongong Randomised Breast Boost trial used five different methods of cosmetic assessment, including both subjective and objective, to comprehensively evaluate the cosmetic outcome of the trial patients. This current study analyses the level of concordance between these methods in an attempt to determine a possible standard in the evaluation of breast cosmesis...
August 18, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28762670/radiological-tenckhoff-catheter-insertion-for-peritoneal-dialysis-a-cost-effective-approach
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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/28782288/the-superficial-femoral-vein-time-to-change-this-misnomer
#16
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
https://www.readbyqxmd.com/read/28782287/continuing-professional-development
#17
(no author information available yet)
No abstract text is available yet for this article.
August 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28782286/re-transcaval-core-biopsy-in-malignant-superior-vena-cava-obstruction-potential-for-single-stage-diagnosis-and-treatment
#18
LETTER
Uei Pua
No abstract text is available yet for this article.
August 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28349676/flourodeoxyglucose-positron-emission-tomography-scan-may-be-helpful-in-the-case-of-ductal-variant-prostate-cancer-when-prostate-specific-membrane-antigen-ligand-positron-emission-tomography-scan-is-negative
#19
Louise M McEwan, David Wong, John Yaxley
Gallium-68 prostate specific membrane antigen ligand (Ga-68 PSMA) positron emission tomography/computed tomography (PET/CT) scanning is emerging as a useful imaging modality for the staging of suspected and known recurrent or metastatic prostate cancer and in staging of newly diagnosed higher grade prostate cancer. However, we have observed at our institution that in some cases of the more aggressive ductal variant, Ga-68 PSMA uptake has sometimes been poor compared with prominent 18-flourodeoxyglucose (F-18 FDG) avidity seen in F-18 FDG PET/CT, which would suggest that FDG PET/CT scans are important in staging of ductal pattern prostate cancer...
August 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345307/quality-indicators-for-early-stage-hodgkin-s-lymphoma
#20
Daniel E Roos, Hui C Tee
INTRODUCTION: The purpose of this project was to devise simple, practicable quality indicators (QIs) for the treatment of early stage (I-II) Hodgkin's lymphoma (ESHL), and to test their applicability retrospectively at a single large teaching hospital. METHODS: Of the available treatment guidelines, we chose the two eviQ (evidence and Quality, Cancer Institute New South Wales) documents first published in early 2012 (updated in 2015) for ESHL favourable and ESHL unfavourable (based upon German Hodgkin Study Group practice) as being most relevant to the Australian setting, and selected nine QIs from them viz...
August 2017: Journal of Medical Imaging and Radiation Oncology
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