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Journal of Medical Imaging and Radiation Oncology

John Leung, Margot Lehman
INTRODUCTION: This paper reports the key findings of the first survey of Australian, New Zealand (ANZ) and Singaporean radiation oncology trainees on contouring and planning. METHODS: The survey was conducted from May to July 2018 using a 35-question instrument. It was emailed to all ANZ and Singaporean trainees on the Royal Australian and New Zealand College of Radiologists (RANZCR) database with at least 6 months experience. The questions related to demographics, time spent on contouring, most difficult sites to contour, most useful atlas, feedback on contouring, interaction with radiation therapists, plan reviews, stereotactic radiation therapy (SBRT), brachytherapy and suggested areas of improvement...
February 5, 2019: Journal of Medical Imaging and Radiation Oncology
Andrew Yu Li, Nikki Elliot
INTRODUCTION: Natural language processing (NLP) is an emerging tool which has the ability to automate data extraction from large volumes of unstructured text. One of the main described uses of NLP in radiology is cohort building for epidemiological studies. This study aims to assess the accuracy of NLP in identifying a group of patients positive for ureteric stones on Computed Tomography - Kidneys, Ureter, Bladder (CT KUB) reports. METHODS: Retrospective review of all CT KUB reports in a single calendar year...
February 5, 2019: Journal of Medical Imaging and Radiation Oncology
Mostafa A Abdelrahman, Mohammad A Rawashdeh, Mark McEntee, Laila Abu Tahoun, Patrick Brennan
INTRODUCTION: Differences in radiologists' experience can potentially introduce interobserver variability in reading mammograms. This work investigated the effect of radiologists' experience on agreement on mammographic final classification. METHODS: This was a cross-sectional study. Seventeen radiologists were asked to provide their final impression on 60 mammogram cases. Experience parameters included breast subspecialty, years reading mammograms, cases read per year and career caseload...
February 1, 2019: Journal of Medical Imaging and Radiation Oncology
Peter Brotchie
No abstract text is available yet for this article.
January 30, 2019: Journal of Medical Imaging and Radiation Oncology
Daniel Koh, Theodore Lau, Evonne Teoh, Kenneth Lau
No abstract text is available yet for this article.
January 28, 2019: Journal of Medical Imaging and Radiation Oncology
Tracey Muir, Lamya Ebrahim, Elizabeth Wylie, Donna Taylor
Audit of contrast-enhanced breast MRI performed over a 3-year period in a single institution to describe and summarise the changes seen after surgery and radiation therapy for primary breast cancer, breast augmentation and oncoplastic surgery. Seventy women were identified and reviewed (100 breast MRIs in total). The most common change seen was haemosiderin deposition. The early changes of skin thickening, oedema, seroma and background parenchymal enhancement decreased with time leaving residual breast shrinkage, haemosiderin/calcification and architectural distortion due to fibrosis and scarring...
January 28, 2019: Journal of Medical Imaging and Radiation Oncology
Michael Back, Dasantha T Jayamanne, David Brazier, Alison Newey, Dale Bailey, Geoffrey P Schembri, Edward Hsiao, Mustafa Khasraw, Matthew Wong, Marina Kastelan, Linxin Guo, Stephen Clarke, Helen Wheeler
INTRODUCTION: Assess survival of patients with anaplastic glioma (AG) and the relationship to molecular subtype. METHODS: Patients with AG managed with IMRT between 2008 and 2014 were entered into a prospective database assessing relapse-free survival (RFS) and overall survival (OS). Isocitrate dehydrogenase (IDH) mutations were assessed prospectively from 2011, and subsequent testing of historical patients allowing categorisation under WHO 2016 classification as anaplastic astrocytoma IDH wild type (AAwt), anaplastic astrocytoma IDH mutated (AAmut), anaplastic oligodendroglioma (AOD) or other glial tumour (OTH)...
January 24, 2019: Journal of Medical Imaging and Radiation Oncology
Xiao Chen, Numan Kutaiba, Brian Ngo, Mark Goodwin
INTRODUCTION: To evaluate the histopathological and safety outcomes of indeterminate lesions in patients at high risk for developing hepatocellular carcinoma (HCC) who underwent ultrasound-guided biopsies. METHODS: Ultrasound-guided targeted liver biopsies for indeterminate lesions performed in a 10-year period at our institution were reviewed retrospectively for lesion characteristics, biopsy techniques, histopathological results and post procedural complications...
January 16, 2019: Journal of Medical Imaging and Radiation Oncology
Karim Hussein, Benjamin White, Matthew Sampson, Sunil Gupta
A Morel-Lavallée lesion is a post-traumatic soft tissue degloving injury which presents as a haemolymphatic mass or collection. Morel-Lavallée lesions are the result of direct trauma or shearing forces abruptly separating skin and subcutaneous tissue from underlying fascia causing disruption of perforating vessels and nerves, creating a potential space that may fill with blood, lymph and debris forming a collection. Morel-Lavallée lesions usually occur adjacent to osseous protuberances, most commonly along the greater trochanter...
January 16, 2019: Journal of Medical Imaging and Radiation Oncology
Michelle Fernandez, Simon Craig
INTRODUCTION: Although commonly ordered, abdominal x-rays are thought to be overused and unhelpful in many emergency department patients. Our objectives were to evaluate the appropriateness of plain abdominal X-ray (AXR) requests in adult patients presenting to a Victorian regional emergency department (ED). METHODS: A retrospective chart review was performed of all adult patients with a plain AXR requested by ED medical staff members in a regional healthcare centre in Victoria, Australia in 2016...
January 10, 2019: Journal of Medical Imaging and Radiation Oncology
Kamal Kant Sahu, Akil Adrian Sherif, Cesar Aguilar Lopez
No abstract text is available yet for this article.
January 10, 2019: Journal of Medical Imaging and Radiation Oncology
Daisy Atwell, Dinesh D Vignarajah, Bryan A Chan, Nicole Buddle, Peter M Manders, Katrina West, Marcel Knesl, Jeremy Long, Myo Min
INTRODUCTION: The multidisciplinary team meeting (MDTM) approach is accepted as standard of care to optimise treatment for patients diagnosed with cancer. This retrospective audit reviews the proportion of patients whose care is being discussed at cancer MDTMs within the Sunshine Coast Hospital and Health Service (SCHHS). METHODS: Patients included were those diagnosed with cancer within the SCHHS between 2010 and 2015, and subsequently referred to a public MDTM for discussion...
January 8, 2019: Journal of Medical Imaging and Radiation Oncology
Robin J Bell, Jill Evans, Jane Fox, Vicki Pridmore
INTRODUCTION: The aim of this study was to investigate mammographic density in a sample of Victorian women and explore a possible association between mammographic density and ethnicity. METHODS: Categories of mammographic density, using Volpara Density Grade, were reported using two editions of Volpara automated software in a data set of women attending two Victorian sites for mammographic screening. The variables available for analysis were age, self-reported exposure to menopausal hormone therapy (MHT) and ethnicity based on country of birth...
January 8, 2019: Journal of Medical Imaging and Radiation Oncology
Dale Roach, Lois C Holloway, Michael G Jameson, Jason A Dowling, Angel Kennedy, Peter B Greer, Michele Krawiec, Robba Rai, Jim Denham, Jeremiah De Leon, Karen Lim, Megan E Berry, Rohen T White, Sean A Bydder, Hendrick T Tan, Jeremy D Croker, Alycea McGrath, John Matthews, Robert J Smeenk, Martin A Ebert
INTRODUCTION: This study quantified inter-observer contouring variations for multiple male pelvic structures, many of which are of emerging relevance for prostate cancer radiotherapy progression and toxicity response studies. METHODS: Five prostate cancer patient datasets (CT and T2-weighted MR) were distributed to 13 observers for contouring. CT structures contoured included the clinical target volume (CTV), seminal vesicles, rectum, colon, bowel bag, bladder and peri-rectal space (PRS)...
January 4, 2019: Journal of Medical Imaging and Radiation Oncology
Pierre-François Montoriol, Claire Boudinaud
We present a rare case of large bilateral ovarian tumours, secondarily revealing an ileal neuroendocrine tumour in a 71-year-old woman. Magnetic resonance examination showed bilateral ovarian, entirely solid lesions with a fibrous content and marked enhancement. Computed tomography was able to show a mesenteric retractile mass and a satellite suspicious ileal wall thickening. Gallium-68 DOTATOC confirmed the suspicion of digestive neuroendocrine tumour metastatic to the ovaries and the final diagnosis was made following radical surgery...
December 26, 2018: Journal of Medical Imaging and Radiation Oncology
Tony Chen, Hao Xiao
INTRODUCTION: The aim of this study is to compare the diagnostic sensitivity between dual-energy computed tomography pulmonary angiography (CTPA) studies and routine single-energy CTPA studies. METHODS: A total of 117 patients with clinically suspected pulmonary embolism were examined with dual-energy CTPA (DECT) and reformatted single-energy multidetector CTPA (MDCT) studies. Two independent radiologists assessed the image quality of the CTPAs with objective and subjective parameters, including by assigning an image quality score out of 10 for each study...
December 24, 2018: Journal of Medical Imaging and Radiation Oncology
Peter Hughes, Rhian Miranda, Lucinda Boyer
Isolated atrophy and fatty infiltration of supraspinatus is very rare. We report the case of a 53 year old male with isolated atrophy and complete fatty replacement of supraspinatus and discuss potential aetiologies.
December 19, 2018: Journal of Medical Imaging and Radiation Oncology
Ross Lawrenson, Chunhuan Lao, Ahmed Ali, Ian Campbell
INTRODUCTION: This study aims to examine the impact of radiotherapy on the cardiovascular health of women diagnosed with breast cancer in the Waikato region in New Zealand. METHODS: Women diagnosed with stage 0-III breast cancer and recorded in the Waikato Breast Cancer Registry were divided into two groups: a radiotherapy group and a no-radiotherapy group. Baseline characteristics and treatments were compared in the two groups. Kaplan-Meier survival analysis was performed to compare cardiovascular morbidity and mortality...
December 17, 2018: Journal of Medical Imaging and Radiation Oncology
Kurian Joseph, Khalifa Alkaabi, Heather Warkentin, Sunita Ghosh, Naresh Jha, Michael Smylie, John Walker
INTRODUCTION: We report the outcomes of using a combination of cetuximab with radiation therapy (Cetux-RT) to treat a selected group of patients with locally advanced (unresectable) cutaneous squamous cell carcinoma (LA-cSCC). This study presents two-year efficacy and safety data for 8 patients with LA-cSCC treated within a single institution. METHODS: Between 2014 and 2017 a total of eight patients (seven males, one female) with LA-cSCC received curative intent treatment with Cetux-RT...
December 14, 2018: Journal of Medical Imaging and Radiation Oncology
Naseer Ahmed, Shazia Fatima, Muhammad Adnan Saeed, Muhammad Zia, Javaid Irfan Ullah
INTRODUCTION: The diagnosis of diabetic foot osteomyelitis is crucial and challenging for the proper management of diabetic foot. 99m Tc labelled Ceftizoxime was used as a non-invasive diagnostic agent for diabetic foot osteomyelitis. METHODS: Ceftizoxime [CFT], a third generation cephalosporin, was used in a simple and direct method for the synthesis of 99m TcO4 - labelled infection imaging agent with stannous chloride as reducing agent. Its radiochemical purity was checked by thin Layer chromatography...
December 10, 2018: Journal of Medical Imaging and Radiation Oncology
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