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Journal of Medical Imaging and Radiation Oncology

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https://www.readbyqxmd.com/read/29139207/patient-reported-outcomes-of-slow-single-arc-rotation-do-we-need-rotating-gantries
#1
Brendan Whelan, Miriam Welgampola, Leigh McGarvie, Kuldeep Makhija, Robin M Turner, Lois Holloway, Ilana Feain, Michael Jackson, Michael Barton, Paul Keall
INTRODUCTION: Patient rotation could greatly simplify radiation therapy delivery, with particularly important ramifications for fixed beam treatment with protons, heavy ions, MRI-Linacs, and low cost Linacs. Patient tolerance is often cited as a barrier to widespread implementation to patient rotation; however, no quantitative data addressing this issue exists. In this study, patient reported experiences of slow, single arc rotation in upright (sitting) and lying orientations are reported...
November 15, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29119692/impact-of-same-day-vs-day-before-pre-operative-lymphoscintigraphy-for-sentinel-lymph-node-biopsy-for-early-breast-cancer-local-australian-experience
#2
Yang Yang Huang, Amelie Maurel, Saud Hamza, Lee Jackson, Zeyad Al-Ogaili
INTRODUCTION: To assess the impact of delayed vs immediate pre-operative lymphoscintigraphy (LSG) for sentinel lymph node biopsy in a single Australian tertiary breast cancer centre. METHODS: Retrospective cohort study analysing patients with breast cancer or DCIS who underwent lumpectomy or mastectomy with pre-operative LSG and intra-operative sentinel lymph node biopsy from January 2015 to June 2016. RESULTS: A total of 182 LSG were performed...
November 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29080296/targeting-general-practitioners-prospective-outcomes-of-a-national-education-program-in-radiation-oncology
#3
Lucinda Morris, Peter Gorayski, Sandra Turner
INTRODUCTION: We report on learning outcomes of a standardized national education program aimed at improving general practitioner (GP) knowledge about radiation therapy (RT) and referral pathways to radiation oncologists (ROs). METHODS: In 2014, a GP education program was developed through the Targeting Cancer public awareness campaign of the Royal Australian and New Zealand College of Radiologists (RANZCR) Faculty of Radiation Oncology. The sessions were held in RT departments and comprised of RO-led case-based group learning and a department tour...
October 28, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29080287/contemporary-salvage-post-prostatectomy-radiotherapy-early-implementation-improves-biochemical-control
#4
Andrew Kneebone, George Hruby, Georgia Harris, Kris Rasiah, Justin Vass, Deborah Whalley, Philip McCloud, Sandra Louw, Linxin Guo, Thomas Eade
INTRODUCTION: The optimal time to commence salvage radiotherapy (SRT) for a rising PSA post radical prostatectomy is not known. We wished to assess the impact of index PSA (iPSA) level prior to SRT on rates of biochemical failure (BCF) post treatment. METHODS: Patients referred to our institution for SRT for a rising PSA post surgery were accrued onto a prospective database. Baseline demographic data, tumour and treatment factors were collected including pathologic T and N stage, margin status, Gleason score (GS), lymphovascular space invasion (LVSI), use of androgen deprivation therapy (ADT) and time from surgery to salvage radiotherapy...
October 28, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29076238/retrospective-review-of-ct-guided-intervertebral-disc-biopsies-performed-at-a-tertiary-referral-centre-for-suspected-osteodiscitis
#5
Kylie Lopes Floro, Wendy Munckhof, John Coucher
INTRODUCTION: Patients with osteodiscitis are often prescribed antibiotics prior to biopsy. There is controversy in the literature about whether antibiotic pre-treatment prior to CT-guided biopsy decreases the microbiological culture yield. Conclusions from previous studies are influenced by sample size error and selection bias. Our study, conducted in a large number of patients over a 10-year period, clarifies this issue so that best clinical practice is assured. METHODS: We performed a retrospective audit of the clinical, radiological and microbiological features of adult patients who underwent CT-guided biopsies for suspected osteodiscitis at a tertiary institution...
October 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29071800/national-survey-on-image-guided-radiotherapy-practice-in-new-zealand
#6
Jerusha Padayachee, Jasmin Loh, Albert Tiong, Louis Lao
INTRODUCTION: This survey aimed to assess the use of image-guided radiotherapy (IGRT) within New Zealand (NZ) and evaluate the quality of IGRT delivery. METHOD: All nine centres in NZ were invited to participate in an online survey in November 2015. Questions were asked on type of IGRT technologies available, IGRT use by tumour site and frequency of imaging. In addition, questions were asked in reference to the American Society for Radiation Oncology (ASTRO) White Paper recommendations on safe practice of IGRT...
October 26, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29067775/dual-phase-hybrid-18-f-fluoride-positron-emission-tomography-mri-in-ankylosing-spondylitis-investigating-the-link-between-mri-bone-changes-regional-hyperaemia-and-increased-osteoblastic-activity
#7
Lino M Sawicki, Susanne Lütje, Xenofon Baraliakos, Jürgen Braun, Julian Kirchner, Johannes Boos, Philipp Heusch, Verena Ruhlmann, Ken Herrmann, Lale Umutlu, Harald H Quick, Gerald Antoch, Christian Buchbender
INTRODUCTION: Focal (18) F-Fluoride uptake on blood-pool phase PET represents regional hyperaemia, while it indicates osteoblastic activity on mineralization phase PET. This study investigates the link between regional hyperaemia and osteoblastic activity in inflammatory and chronic lesions of ankylosing spondylitis (AS) of the sacroiliac joints (SIJ) using dual-phase (18) F-Fluoride PET/MRI. METHODS: Thirteen patients (six men, seven women, age: 37 ± 10 years) with active AS prospectively underwent dual-phase (18) F-Fluoride PET/MRI...
October 25, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29063700/employment-for-radiation-oncologists-in-australia-and-new-zealand-recent-graduates-survey-of-experiences-and-perspectives
#8
John Leung, Sanjeewanie Kariyasawam, Dion Forstner, Raphael Chee, Melissa James
INTRODUCTION: This paper reports the key findings of the first survey of recent Radiation Oncology graduates in Australia, New Zealand (ANZ) and Singapore. It explores their experiences in entering the workforce, challenges and perspectives. METHODS: The survey was conducted in April and May 2016 focusing on graduates from 2013 to 2015. The questions related to relocation, current employment, experiences in finding a job, intentions regarding rural work, job satisfaction and perceptions of the job market...
October 23, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29057584/sixty-years-ago-the-birth-of-the-journal-of-medical-imaging-and-radiation-oncology
#9
EDITORIAL
David Ball
No abstract text is available yet for this article.
October 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29030906/effects-of-interruptions-of-external-beam-radiation-therapy-on-outcomes-in-patients-with-prostate-cancer
#10
Yanqun Dong, Nicholas G Zaorsky, Tianyu Li, Thomas M Churilla, Rosalia Viterbo, Mark L Sobczak, Marc C Smaldone, David Yt Chen, Robert G Uzzo, Mark A Hallman, Eric M Horwitz
INTRODUCTION: To evaluate if interruptions of external beam radiation therapy impact outcomes in men with localized prostate cancer (PCa). METHODS: We included men with localized PCa treated with three-dimensional conformal radiotherapy (3D-CRT) or intensity-modulated radiation therapy (IMRT) of escalated dose (≥74 Gy in 1.8 or 2 Gy fractions) between 1992 and 2013 at an NCI-designated cancer centre. Men receiving androgen deprivation therapy were excluded. The non-treatment day ratio (NTDR) was defined as the number of non-treatment days divided by the total elapsed days of therapy...
October 13, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29024572/radiological-manifestations-of-immune-related-adverse-effects-observed-in-patients-with-melanoma-undergoing-immunotherapy
#11
Parveen Sidhu, Alexander M Menzies, Georgina Long, Matteo Carlino, Shirleen Lorens, Rony Kapoor
Immunotherapy drugs work by stimulating the patient's own immune system to recognize and destroy cancer cells. This subclass of drugs is increasingly administered to patients with advanced melanoma. They are also commonly incorporated into other cancer therapies such as non-small cell lung cancer, renal cancer, head and neck cancers and Hodgkin lymphoma. The most commonly administered immunotherapeutic agents in the treatment of melanoma include programmed cell death protein 1 (PD-1) inhibitors, cytotoxic T-lymphocyte antigen 4 (CTLA-4) inhibitors and a subclass of cytokines...
October 11, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29024571/diffuse-idiopathic-skeletal-hyperostosis-dish-increased-prevalence-in-pacific-islanders
#12
Mathew Bateman, Kamal Hapuarachchi, Clinton Pinto, Anthony James Doyle
INTRODUCTION: Diffuse idiopathic skeletal hyperostosis (DISH) is a musculoskeletal disorder in which ligaments and entheses slowly become ossified, leading to decreased mobility and pain. The prevalence is variably reported as between 3% and 25% of the population over 50. In Australasia, the prevalence and severity of DISH has long been thought by radiologists to be high in certain populations, particularly among Pacific Islanders. The purpose of this study is to investigate the prevalence and severity of DISH in a Pacific Islander community...
October 11, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29024424/developing-asymmetry-in-a-screening-mammogram-a-cautionary-tale-of-a-missed-cancer
#13
Jane Peart, Glen Thomson, Stephen Wood
The developing asymmetry has a 12-15% risk of malignancy but poses challenges of detection and interpretation due to the lack of typical features of cancer and the frequent absence of an ultrasound correlate. Failure to biopsy these lesions may lead to delayed diagnosis of breast cancer.
October 11, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28990737/evaluation-of-kidney-motion-with-and-without-a-pneumatic-abdominal-compression-belt-considerations-for-stereotactic-radiotherapy
#14
Kimberley West, Majella Russo, Elizabeth Brown, Tamara Barry, Cathy Hargrave, David Pryor
INTRODUCTION: The optimal delivery of stereotactic radiotherapy for kidney tumours requires an effective motion management strategy. This study assessed the effectiveness of a pneumatic abdominal compression belt in reducing kidney motion during free breathing. METHODS: Thirteen patients, with four-dimensional computed tomography (4DCT) of the abdomen in free breathing with and without a pneumatic abdominal compression belt, were retrospectively reviewed. Points of Interest (POI) were placed on each kidney to determine the greatest magnitude of displacement in all directions...
October 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28990732/first-use-of-micro-vascular-plugs-in-australia-endovascular-treatment-of-pulmonary-arteriovenous-malformation
#15
Liat Barrett, Nicholas I Brown, Varghese Pynadath Joseph
This report describes the first Australian experience with the Micro Vascular Plug System (MVP), as a permanent embolic device for the treatment of pulmonary arteriovenous malformations (PAVMs). MVPs deployed in small vessels between 2 mm and 5 mm are demonstrated to be feasible, safe and effective treatment for PAVMs.
October 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28990727/magnetic-resonance-imaging-of-the-prostate-and-targeted-biopsy-comparison-of-pirads-and-gleason-grading
#16
Matthew Bastian-Jordan
INTRODUCTION: Multiparametric magnetic resonance imaging (mpMRI) of the prostate has become integral in the investigation of suspected prostate cancer. Regions of interest are graded using the PIRADS scoring system, and in our institution, lesions graded as PIRADS 3-5 undergo sampling by MRI-guided biopsy. Limited data currently exists on PIRADS grading and biopsy results. METHODS: Retrospective review of 343 MRI-guided biopsies (MRGB) performed between April 2013 and December 2016 was conducted...
October 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28990723/mri-findings-in-deep-infiltrating-endometriosis-a-pictorial-essay
#17
Anitha L Thalluri, Steven Knox, Thi Nguyen
Endometriosis is an important gynaecological disorder which can impact significantly on an individual's quality of life and has major implications on fertility. Deep infiltrating endometriosis is a severe form of endometriosis which can cause obliteration of anatomic compartments. Laparoscopy remains the gold standard for diagnosis of endometriosis, although is an invasive procedure that has the potential to be hindered by obliterative disease. Ultrasound is often employed as the first-line imaging modality when endometriosis is suspected, however, MRI is more accurate in assessment of complex disease...
October 9, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28980444/fostering-a-culture-of-research-within-a-clinical-radiation-oncology-department
#18
Mary-Claire Hanlon, Joanna Ludbrook, Karen Jovanovic, Peter Greer, Jarad Marcus Martin
INTRODUCTION: Support and investment in increasing a research-active culture in clinical practice needs to be translated at the department and hospital levels as well as regional, state and national levels. We aimed to improve the research culture of our department, to enable more clinical staff to become more research competent and research active. METHODS: We describe and discuss the appointment of a Director of Research and a Research Coordinator into our already-research-active department and the interactions at the research-clinical interface...
October 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28980392/utilizing-18f-fluoroethyl-l-tyrosine-positron-emission-tomography-in-high-grade-glioma-for-radiation-treatment-planning-in-patients-with-contraindications-to-mri
#19
Dasantha T Jaymanne, Sneha Kaushal, David Chan, Geoff Schembri, David Brazier, Dale Bailey, Helen Wheeler, Michael Back
INTRODUCTION: Patients with high grade glioma (HGG) and contraindications to magnetic resonance imaging (MRI) are dependent on contrast-enhanced computerized tomography (CT) scan imaging for radiation therapy (RT) target volume delineation. This study reviews the experience with the utilization of 18F-fluoroethyl-l-tyrosine positron emission tomography (FET-PET) to define residual disease post craniotomy and optimize RT planning. METHODS: Patients with HGG and a contraindication to MRI managed with radiation therapy between 2007 and 2015 were identified...
October 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28940774/functional-airway-obstruction-observed-with-hyperpolarized-129-xenon-mri
#20
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
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