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Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes

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https://www.readbyqxmd.com/read/29958834/imaging-approach-to-the-diagnosis-of-acute-appendicitis-in-a-group-of-teaching-hospitals-with-24-7-in-house-availability-of-ultrasound-technologist-effect-of-timing-of-request-on-imaging-modality
#1
Hassan Alzahrani, Babak Maghdoori, Shadman Islam, Sara Maghdoori, Mostafa Atri
PURPOSE: The study sought determine effect of requisition timing on the initial-choice imaging modality in appendicitis evaluation. METHODS: This was an institutional review board-approved retrospective study, encompassing 3 University of Toronto teaching hospitals, offering 24/7 radiology coverage. All surgically proven appendicitis cases, from 2012-2014, were included and presurgical ultrasound (US) or computed tomography (CT) reports were analysed. Examinations were all requested by the emergency department, performed by the same technologists and reviewed or finalized by the same radiology group (residents fellows or attending)...
June 26, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29958833/use-of-breast-magnetic-resonance-imaging-in-women-diagnosed-with-atypical-ductal-hyperplasia-at-core-needle-biopsy-helps-select-women-for-surgical-excision
#2
Yoav Amitai, Tehillah Menes, Orit Golan
PURPOSE: The study sought to investigate the role of breast magnetic resonance imaging (MRI) in patients diagnosed with atypical ductal hyperplasia (ADH) at core needle biopsy (CNB). METHODS: The breast MRI database at our centre was queried for studies performed between January 2010 and December 2016 for the clinical indication of ADH diagnosed at CNB. Medical files were reviewed for demographic data, clinical information, and radiology and pathology reports. Pathological results of the surgical specimens were considered the gold standard for comparison with breast MRI findings...
June 26, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29958832/what-are-the-expected-findings-on-follow-up-computed-tomography-angiogram-in-post-traumatic-patients-with-blunt-cerebrovascular-injury
#3
Khaled Y Elbanna, Mohammed F Mohammed, Jung-In Choi, J Philip Dawe, Emilie Joos, Saleh Baawain, Ismail Tawakol Ali, Savvas Nicolaou
PURPOSE: Blunt cerebrovascular injury (BCVI) is a rare but potentially devastating diagnosis. Our study establishes the temporal changes and findings on follow-up imaging. METHODS: For this retrospective, institutional review board-approved study, the hospital trauma registry was queried for all severely injured polytrauma patients who underwent computed tomography angiogram (CTA) scans in the emergency department between January 1, 2010, and December 31, 2016, with injury severity score ≥16, yielding 3747 patients...
June 26, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29895436/outcomes-of-magnetic-resonance-imaging-ultrasound-fusion-prostate-biopsy-of-pi-rads-3-4-and-5-lesions
#4
Maria Gosein, Emily Pang, Silvia Chang, Peter Black, Larry Goldenberg, Alison Harris, Jason Yasenjiang, Masoud Yousefi
No abstract text is available yet for this article.
June 9, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29880435/reducing-wait-time-for-lung-cancer-diagnosis-and-treatment-impact-of-a-multidisciplinary-centralized-referral-program
#5
Jessica L Common, Hensley H Mariathas, Kaylah Parsons, Jonathan D Greenland, Scott Harris, Rick Bhatia, SuzanneC Byrne
BACKGROUND: A multidisciplinary, centralized referral program was established at our institution in 2014 to reduce delays in lung cancer diagnosis and treatment following diagnostic imaging observed with the traditional, primary care provider-led referral process. The main objectives of this retrospective cohort study were to determine if referral to a Thoracic Triage Panel (TTP): 1) expedites lung cancer diagnosis and treatment initiation; and 2) leads to more appropriate specialist consultation...
June 4, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29804911/what-are-the-indications-for-prophylactic-embolization-of-renal-angiomyolipomas-a-review-of-the-current-evidence-in-the-literature
#6
James W Ryan, Cormac Farrelly, Tony Geoghegan
Renal angiomyolipomas (AMLs) are benign tumours that may occur sporadically in the general population or in patients with tuberous sclerosis complex. The concern with AMLs is that of retroperitoneal hemorrhage, which can be fatal. Classically the trigger for prophylactic intervention was thought to be an AML diameter of ≥4 cm. However, this value is largely based on data from case series and heterogeneous retrospective studies. The PICO (patient, intervention, comparison, outcome) paradigm was used to systematically search the Cochrane database, TRIP database, and PubMed...
May 24, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29804910/reform-of-a-senior-medical-student-radiology-elective-using-a-needs-assessment
#7
Natasha Larocque, Stefanie Y Lee, Sandra Monteiro, Karen Finlay
No abstract text is available yet for this article.
May 24, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29773337/ultrasound-of-the-distal-insertions-of-the-ankle-and-foot-tendons-with-anatomical-correlation-a-review
#8
REVIEW
Michel De Maeseneer, Hardi Madani, Leon Lenchik, Johan De Mey, Steven Provyn, Maryam Shahabpour
The distal insertions of the tendons crossing the ankle as well as the tendons originating in the foot are less well known by radiologists. We review the anatomy and ultrasound appearance of these insertions using our own cadaveric sectioning and dissection. The ultrasound images were correlated with anatomical slices. Occasionally magnetic resonance images were also used for better understanding. Understanding the normal appearance of these tendon insertions is important for diagnosing pathology in this region...
May 15, 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29706255/magnetic-resonance-imaging-of-cysts-cystlike-lesions-and-their-mimickers-around-the-knee-joint
#9
REVIEW
Sumer N Shikhare, Poh Lye Paul See, Hong Chou, Abeer Mohamed Al-Riyami, Wilfred C G Peh
While interpreting routine magnetic resonance imaging (MRI) of the knee joint, a radiologist may encounter various cystic lesions such as ganglion, synovial, and meniscal cysts, among others. In some cases, MRI may demonstrate cystlike lesions around the knee due to fluid distention of normal bursa and recesses, the diagnosis of which should not be difficult if a radiologist is familiar with their characteristic location and MRI appearance. In addition, there are cyst mimickers such as hematomas, abscesses, vascular lesions, and neoplasms around knee joint that may pose a diagnostic challenge on routine MRI...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29706254/mammography-clinical-image-quality-and-the-false-positive-rate-in-a-canadian-breast-cancer-screening-program
#10
Marie-Hélène Guertin, Isabelle Théberge, Hervé Tchala Vignon Zomahoun, Michel-Pierre Dufresne, Éric Pelletier, Jacques Brisson
PURPOSE: The study sought to determine if mammography quality is associated with the false positive (FP) rate in the Quebec breast cancer screening program in 2004 and 2005. METHODS: Mammography quality of a random sample of screen-film mammograms was evaluated by an expert radiologist following the criteria of the Canadian Association of Radiologists. For each screening examination, scores ranging from 1 (poor quality) to 5 (excellent quality) were attributed for positioning, compression, contrast, exposure level, sharpness, and artifacts...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29706253/endoclip-magnetic-resonance-imaging-screening-a-local-practice-review
#11
Fabio Accorsi, Alain Lalonde, David A Leswick
PURPOSE: Not all endoscopically placed clips (endoclips) are magnetic resonance imaging (MRI) compatible. At many institutions, endoclip screening is part of the pre-MRI screening process. Our objective is to determine the contribution of each step of this endoclip screening protocol in determining a patient's endoclip status at our institution. METHODS: A retrospective review of patients' endoscopic histories on general MRI screening forms for patients scanned during a 40-day period was performed to assess the percentage of patients that require endoclip screening at our institution...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29706252/gadolinium-based-contrast-agents-in-kidney-disease-comprehensive-review-and-clinical-practice-guideline-issued-by-the-canadian-association-of-radiologists
#12
REVIEW
Nicola Schieda, Jason I Blaichman, Andreu F Costa, Rafael Glikstein, Casey Hurrell, Matthew James, Pejman Jabehdar Maralani, Wael Shabana, An Tang, Anne Tsampalieros, Christian van der Pol, Swapnil Hiremath
Use of gadolinium-based contrast agents (GBCAs) in renal impairment is controversial, with physician and patient apprehension in acute kidney injury (AKI), chronic kidney disease (CKD), and dialysis because of concerns regarding nephrogenic systemic fibrosis (NSF). The position that GBCAs are absolutely contraindicated in AKI, CKD stage 4 or 5 (estimated glomerular filtration rate [eGFR] <30 mL/min/1.73 m2 ) and dialysis-dependent patients is outdated, and may limit access to clinically necessary contrast-enhanced MRI examinations...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29706251/a-brave-new-world-without-diagnostic-radiologists-really
#13
EDITORIAL
Peter L Munk
No abstract text is available yet for this article.
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29655580/canadian-association-of-radiologists-white-paper-on-artificial-intelligence-in-radiology
#14
REVIEW
An Tang, Roger Tam, Alexandre Cadrin-Chênevert, Will Guest, Jaron Chong, Joseph Barfett, Leonid Chepelev, Robyn Cairns, J Ross Mitchell, Mark D Cicero, Manuel Gaudreau Poudrette, Jacob L Jaremko, Caroline Reinhold, Benoit Gallix, Bruce Gray, Raym Geis
Artificial intelligence (AI) is rapidly moving from an experimental phase to an implementation phase in many fields, including medicine. The combination of improved availability of large datasets, increasing computing power, and advances in learning algorithms has created major performance breakthroughs in the development of AI applications. In the last 5 years, AI techniques known as deep learning have delivered rapidly improving performance in image recognition, caption generation, and speech recognition...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29439848/rare-prostatic-artery-origins-and-the-importance-of-collateral-circulation-in-prostate-artery-embolization-a-pictorial-essay
#15
REVIEW
Shivank Bhatia, Vishal K Sinha, Osama Abdul-Rahim, Sardis Harward, Govindarajan Narayanan
No abstract text is available yet for this article.
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29395253/financial-impact-of-pevar-compared-with-standard-endovascular-repair-in-canadian-hospitals
#16
REVIEW
Graham Roche-Nagle, Maureen Hazel, Dheeraj K Rajan
OBJECTIVES: The percutaneous endovascular abdominal aortic repair (PEVAR) approach is a minimally invasive technique that has demonstrated clinical benefit over traditional surgical cut down associated with standard endovascular abdominal aortic aneurysm (AAA) repair (EVAR). The objective of our study was to evaluate the budget impact to a Canadian hospital of changing the technique for AAA repair from the EVAR approach to the PEVAR approach. METHODS: We examined the budget impact of replacing the EVAR approach with the PEVAR approach in a Canadian hospital that performs 100 endovascular AAA repairs annually...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29395252/laparoscopic-sleeve-gastrectomy-a-radiological-guide-to-common-postsurgical-failure
#17
REVIEW
Fabio Garofalo, Radu Pescarus, Ronald Denis, Henri Atlas, Pierre Garneau, Michel Philie, Karl Sayegh
Laparoscopic sleeve gastrectomy is one of the most common bariatric procedures worldwide. It has recently gained in popularity because of a low complication rate, satisfactory resolution of comorbidities, and excellent weight loss outcome. This article reviews the surgical technique, expected postsurgical imaging appearance, and imaging findings of common complications after laparoscopic sleeve gastrectomy. Understanding of the surgical technique of laparoscopic sleeve gastrectomy and of the normal postsurgical anatomy allows accurate interpretation of imaging findings in cases of insufficient weight loss, weight regain, and postsurgical complications...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29233565/lower-esophageal-disorders-in-childhood-evaluated-by-transabdominal-ultrasound-and-fluoroscopy-a-pictorial-essay
#18
REVIEW
Chrysoula Koumanidou, Marina Vakaki, Argyro Mazioti, Efthymia Alexopoulou
No abstract text is available yet for this article.
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29198819/a-day-in-the-life-of-mri-the-variety-and-appropriateness-of-exams-being-performed-in-canada
#19
MULTICENTER STUDY
Sonia Vanderby, Andreea Badea, Juan Nicolás Peña Sánchez, Neil Kalra, Paul Babyn
PURPOSE: This study aimed to determine the volumes and types of magnetic resonance imaging exams being performed across Canada, common indications for the exams, and exam appropriateness using multiple evaluation tools. METHODS: Thirteen academic medical institutions across Canada participated. Data were obtained relating to a single common day, October 1, 2014. Patient demographics, type by anatomic region and indication for imaging were analysed. Each exam was assessed for appropriateness via the Canadian Association of Radiologists Referral Guidelines and the American College of Radiology Appropriateness Criteria...
May 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458958/the-accuracy-of-colorectal-cancer-detection-by-computed-tomography-in-the-unprepared-large-bowel-in-a-community-based-hospital
#20
Suneet Mangat, Michael G Kozoriz, Simon Bicknell, Audrey Spielmann
PURPOSE: This retrospective study examined the performance of general radiologists in a community-based hospital in detecting colorectal cancer (CRC) with computed tomography (CT) in the unprepared large bowel. METHODS: The pathology database at a community hospital over the past 7 years (2009-2015) was retrospectively analysed for pathologically proven CRC (924 cases). The provincial hospital information profile for these patients was reviewed to determine if they had an abdominal CT for any reason in the year prior to biopsy...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
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