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Journal of Medical Imaging and Radiation Oncology

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https://www.readbyqxmd.com/read/28517240/imaging-after-treatment-in-uterine-malignancies-spectrum-of-normal-findings-and-most-common-complications
#1
REVIEW
Maura Miccò, Anna Maria Telesca, Benedetta Gui, Pier Paolo Grimaldi, Francesco Cambi, Maria Giulia Marini, Anna Lia Valentini, Lorenzo Bonomo
Uterine malignancies account for the majority of gynaecologic cancers. Different treatment options are available depending on histology, disease grade and stage. Hysterectomy is the most frequent surgical procedure. Chemotherapy and radiation therapy (CRT) represents the preferred therapeutic choice for locally advanced uterine and cervical malignancies. Imaging of the female pelvis following these treatments is particularly challenging due to alteration of the normal anatomy. Radiologists should be familiar with both the expected post-treatment imaging findings and the imaging features of possible complications to make the correct interpretation and avoid possible pitfalls...
May 18, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28508466/comparison-of-the-time-taken-for-localised-breast-surgery-pre-and-post-introduction-of-intra-operative-digital-specimen-mammography
#2
Vinicius Carraro do Nascimento, Anita G Bourke
INTRODUCTION: More than half of the patients with an impalpable malignant breast lesion have a mammographically detected and imaged-guided localisation, which can be technically challenging for the breast surgeon. Specimen imaging is used to confirm successful excision of the localised index lesion and has improved the operating list efficiency resulting in a higher number of excisions per surgical list. The aim of this study was to evaluate whether introducing IDSM (intra-operative digital specimen mammography) saved operation time for localised breast surgery...
May 16, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28508462/role-of-diffusion-weighted-imaging-in-distinguishing-thoracoabdominal-neuroblastic-tumours-of-various-histological-types-and-differentiation-grades
#3
Yang Wen, Yun Peng, Xiao Min Duan, Nan Zhang
INTRODUCTION: Diffusion-weighted MR imaging (DWI) has demonstrated a great potential to help distinguish benign from malignant tumours in paediatric body. Our purpose is to evaluate whether DWI allow discrimination of thoracoabdominal neuroblastic tumours of various histological types and differentiation grades. METHODS: We retrospectively analysed DWI scans of the thoracoabdominal neuroblastic tumours in 25 children (11 girls, 14 boys). DWI was performed with two b-values of 0 and 800 s/mm(2) on a 3...
May 16, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28477339/dose-discrepancy-between-planning-system-estimation-and-measurement-in-spine-stereotactic-body-radiation-therapy-a-case-report
#4
Sankar Arumugam, Megan Berry, Cesar Ochoa, Aitang Xing, Bradley Beeksma, Philip Vial
Stereotactic body radiation therapy (SBRT) to treat spinal metastases has shown excellent clinical outcomes for local control. High dose gradients wrapping around spinal cord make this treatment technically challenging. In this work, we present a spine SBRT case where a dosimetric error was identified during pre-treatment dosimetric quality assurance (QA). A patient with metastasis in T7 vertebral body consented to undergo SBRT. A dual arc volumetric modulated arc therapy plan was generated on the Pinnacle treatment planning system (TPS) with a 6 MV Elekta machine using gantry control point spacing of 4°...
May 6, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28470944/patterns-of-practice-survey-for-brachytherapy-for-cervix-cancer-in-australia-and-new-zealand
#5
Karen Lim, Sylvia van Dyk, Pearly Khaw, Jacqueline Veera, Linda Mileshkin, Lucy Ohanessian, Michelle Harrison, Shalini K Vinod
INTRODUCTION: The purpose of this survey was to explore the current patterns of practice for brachytherapy in cervix cancer in Australia and New Zealand. The survey was also intended to explore clinician attitudes towards image-guided adaptive brachytherapy (IGABT) and identify barriers to the implementation of IGABT. METHODS: Electronic surveys were sent to all radiotherapy centres in Australia and New Zealand under collaboration with Australia New Zealand Gynaecology and Oncology Group (ANZGOG), in order to identify patterns of radiotherapy practice...
May 4, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28466967/anatomical-variations-of-the-renal-arterial-vasculature-an-australian-perspective
#6
Daniel T Tardo, Christopher Briggs, Gerard Ahern, Alexander Pitman, Sankar Sinha
INTRODUCTION: Variations of the renal arteries have been studied and published across various population groups, but similar information for the ethnically diverse nation of Australia is lacking. This study describes the pattern of renal artery anomalies in a section of the Australian population based on computed tomography (CT) angiograms of the abdomen and cadaveric dissection. METHODS: The renal arterial vasculature of 594 kidneys from 300 subjects (28 cadavers, 272 CT) was studied...
May 3, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28464541/accuracy-of-dual-bolus-single-acquisition-computed-tomography-in-the-diagnosis-and-grading-of-adult-traumatic-splenic-parenchymal-and-vascular-injury
#7
Paul Marovic, Paul Anthony Beech, Jim Koukounaras, Helen Kavnoudias, Gerard S Goh
INTRODUCTION: Dual Bolus Single Acquisition Computed Tomography (DBSA-CT) has been advocated for use in trauma imaging through its ability to concurrently optimise abdominal arterial and visceral parenchymal enhancement while minimising scan times and radiation dose. However, concerns have been raised regarding excessive splenic parenchymal heterogeneity using this technique. The purpose of this study is to establish and compare the accuracy of DBSA-CT to traditional sequential multiphase scanning techniques in the diagnosis and grading of traumatic adult splenic injury...
May 2, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432758/specificity-and-sensitivity-of-magnetic-resonance-imaging-findings-in-the-diagnosis-of-progressive-supranuclear-palsy
#8
REVIEW
Stephen Bacchi, Ivana Chim, Sandy Patel
Progressive supranuclear palsy (PSP) is a neurodegenerative condition that can only be diagnosed conclusively on pathological examination. Currently, the diagnosis is based upon the National Institute of Neurological Disorders and Stroke and the Society for PSP criteria. These criteria consist of purely clinical findings. Elements of brain MRI that are being investigated for this role include identifying structural features on conventional MRI, volume changes, signal abnormalities and diffusion changes. The aim of this study is to conduct a systematic search to identify which MRI findings have evidence to support their sensitivity/specificity/accuracy in the diagnosis of PSP...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432731/association-between-progressive-hepatic-morphology-changes-on-serial-mr-imaging-and-clinical-outcome-in-primary-sclerosing-cholangitis
#9
Yu Xuan Kitzing, Siobhan A Whitley, Sara S Upponi, Brijesh Srivastava, Graeme Jm Alexander, David J Lomas
INTRODUCTION: Hepatic morphology changes are well described in Primary Sclerosing Cholangitis and characterised by a combination of atrophy and hypertrophy changes. This study investigates the relationship between progression of these changes over time and clinical outcome in patients with PSC. METHODS: Fifty-three patients with PSC (mean age 44, 28 males and 25 females) who underwent serial MRI liver studies at least one year apart were identified. The first and the last MRI studies were selected for the retrospective analysis...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28432730/assessment-of-voluntary-deep-inspiration-breath-hold-with-cine-imaging-for-breast-radiotherapy
#10
Reuben Patrick Estoesta, Lani Attwood, Diana Naehrig, Elizabeth Claridge-Mackonis, David Odgers, Darren Martin, Melissa Pham, Joanne Toohey, Susan Carroll
Deep Inspiration Breath-Hold (DIBH) techniques for breast cancer radiation therapy (RT) have reduced cardiac dose compared to Free Breathing (FB). Recently, a voluntary deep inspiration breath-hold (vDIBH) technique was established using in-room lasers and skin tattoos to monitor breath-hold. An in-house quality assessment of positional reproducibility during RT delivery with vDIBH in patients with left-sided breast cancer was evaluated. The electronic portal imaging device (EPID) was used in cinematographic (CINE) mode to capture a sequence of images during beam delivery...
April 22, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28419756/posterior-ankle-labral-changes-at-mri-a-preliminary-study
#11
Nasir Khan, Navdeep Sahota, Michael L Shepel, Haron Obaid
INTRODUCTION: The transverse ligament in the ankle joint has been described as a labrum-like structure in a previous cadaveric study. The purpose of this study is to assess the spectrum of abnormal changes related to this structure on imaging/MRI, and correlate these findings with other ankle joint findings and patient symptoms. METHOD: A retrospective observational review of 172 ankle MRI scans was carried out independently by two fellowship trained musculoskeletal Radiologists...
April 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28419744/establishment-of-an-inferior-vena-cava-filter-database-and-interventional-radiology-led-follow-up-retrieval-rates-and-patients-lost-to-follow-up
#12
Sven Klinken, Charlotte Humphries, John Ferguson
INTRODUCTION: To evaluate the rates of inferior vena cava (IVC) filter retrieval and the number of patient's lost to follow-up, before and after the establishment of an IVC filter database and interventional radiology (inserting physician) led follow-up. METHODS: On the 1st of June 2012, an electronic interventional radiology database was established at our Institution. In addition, the interventional radiology team took responsibility for follow-up of IVC filters...
April 17, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28419712/comparison-of-safety-and-efficacy-of-image-guided-enema-reduction-techniques-for-paediatric-intussusception-a-review-of-the-literature
#13
Renny Chew, Michael Ditchfield, Eldho Paul, Stacy K Goergen
INTRODUCTION: There is variable international practice regarding the technique used for image-guided enema reduction in paediatric intussusception. A recent meta-analysis found pneumatic reduction to be more effective than hydrostatic techniques. Clinical practice variation may impact on perforation rates, ionizing radiation exposure and requirement for surgery. The aim of this study was to review the literature regarding the efficacy and safety of fluoroscopically guided pneumatic reduction (FGPR) compared to ultrasound (US) guided intussusception reduction (USGIR) techniques for paediatric intussusception treatment...
April 17, 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
#14
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...
March 28, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345307/quality-indicators-for-early-stage-hodgkin-s-lymphoma
#15
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...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345300/primary-intestinal-lymphangiectasia-multiple-detector-computed-tomography-findings-after-direct-lymphangiography
#16
Xiaoli Sun, Wenbin Shen, Xiaobai Chen, Tingguo Wen, Yongli Duan, Rengui Wang
INTRODUCTION: To analyse the findings of multiple detector computed tomography (MDCT) after direct lymphangiography in primary intestinal lymphangiectasia (PIL). METHODS: Fifty-five patients with PIL were retrospectively reviewed. All patients underwent MDCT after direct lymphangiography. The pathologies of 16 patients were confirmed by surgery and the remaining 39 patients were confirmed by gastroendoscopy and/or capsule endoscopy. RESULTS: After direct lymphangiography, MDCT found intra- and extraintestinal as well as lymphatic vessel abnormalities...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345214/effects-from-changes-to-the-medicare-benefits-schedule-in-2014-on-cone-beam-computed-tomography-and-panoramic-radiography-scans-across-australia
#17
Alyssa Zhang, Louise F Brown, Paul A Monsour
INTRODUCTION: This study examines the effects of the new Medicare Benefits Schedule (MBS) operating from 1st November 2014 on the number of Medicare rebated panoramic radiography (PR) and cone beam computed tomography (CBCT) scans. METHODS: Data for rebated PR and CBCT scans were extracted from Medicare Australia Statistics online for four 12-month periods: November 2011-October 2012, November 2012-October 2013, November 2013-October 2014 and December 2014-November 2015...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345195/diagnosing-neonatal-transphyseal-fractures-of-the-distal-humerus
#18
Matthew Kay, Carly Simpkins, Peter Shipman, Colin Whitewood
A traumatic birth can cause significant upper limb injury; the presenting features are non-specific and the differential diagnosis long. Transphyseal fractures of the distal humerus are a rare but clinically important birth injury. This injury has typical radiographic findings, which due to the un-ossified nature of the distal humeral epiphysis can easily be misinterpreted. This article presents the radiographic appearance correlated with arthrography, ultrasound and MRI obtained from four cases of neonatal transphyseal fracture of the distal humerus...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28345174/overall-evaluability-of-low-dose-protocol-for-computed-tomography-angiography-of-thoracic-aorta-using-80%C3%A2-kv-and-iterative-reconstruction-algorithm-using-different-concentration-contrast-media
#19
Andrea Daniele Annoni, Maria E Mancini, Daniele Andreini, Alberto Formenti, Saima Mushtaq, Enrica Nobili, Marco Guglielmo, Andrea Baggiano, Edoardo Conte, Mauro Pepi
INTRODUCTION: Multidetector Computed Tomography Angiography (MDCTA) is presently the imaging modality of choice for aortic disease. However, the effective radiation dose and the risk related to the use of contrast agents associated with MDCTA is an issue of concern. Aim of this study was to assess image quality of a low dose ECG-gated MDCTA of thoracic aorta using different concentration contrast media without tailored injection protocol. METHODS: Two-hundred patients were randomised into four different scan protocols: Group A (Iodixanol 320 and 80 Kvp tube voltage), Group B (Iodixanol 320 and 100 Kvp tube voltage), Group C (Iomeprol 400 and 80 Kvp tube voltage) and Group D (Iomeprol 400 and 100 Kvp tube voltage)...
March 27, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28266166/prognositc-significance-of-suvmax-on-pretreatment-18-f-fdg-pet-ct-in-early-stage-non-small-cell-lung-cancer-treated-with-stereotactic-body-radiotherapy-a-meta-analysis
#20
Min Dong, Jing Liu, Xiaorong Sun, Ligang Xing
INTRODUCTION: The prognostic importance of the (18) F-FDG PET maximum standardized uptake value (SUVmax ) for early stage non-small cell lung cancer (NSCLC) patients receiving stereotactic body radiotherapy (SBRT) is not well defined. The purpose of this meta-analysis is to evaluate the efficacy of SUVmax on pretreatment (18) F-FDG PET imaging to predict prognosis after SBRT. METHODS: All published English-language studies that assessed the treatment response after SBRT in patients with early-stage NSCLC using (18) F-FDG PET were collected from the EMBASE and MEDLINE databases...
March 7, 2017: Journal of Medical Imaging and Radiation Oncology
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