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

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https://www.readbyqxmd.com/read/29773337/ultrasound-of-the-distal-insertions-of-the-ankle-and-foot-tendons-with-anatomical-correlation-a-review
#1
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/29655580/canadian-association-of-radiologists-white-paper-on-artificial-intelligence-in-radiology
#2
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...
April 11, 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
#3
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
#4
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
#5
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
#6
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
#7
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/29439848/rare-prostatic-artery-origins-and-the-importance-of-collateral-circulation-in-prostate-artery-embolization-a-pictorial-essay
#8
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/29458958/the-accuracy-of-colorectal-cancer-detection-by-computed-tomography-in-the-unprepared-large-bowel-in-a-community-based-hospital
#9
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
https://www.readbyqxmd.com/read/29458957/magnetic-resonance-imaging-and-computed-tomography-of-cardiac-masses-and-pseudomasses-in-the-atrioventricular-groove
#10
REVIEW
James F Glockner
The atrioventricular (AV) groove constitutes the anatomic space separating the atria and ventricles. The AV groove is often difficult to visualize at echocardiography, and suspected lesions can be further assessed with cardiac computed tomography or magnetic resonance imaging. AV groove lesions may originate from within the AV groove or extend into this space from adjacent structures. The differential diagnosis for AV groove lesions is often wide, but a precise diagnosis can sometimes be made. This pictorial essay illustrates the magnetic resonance imaging and computed tomography appearance of common and uncommon AV groove lesions, and attempts to provide a logical framework for differential diagnosis when confronted with a known or suspected lesion at cross-sectional imaging...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458956/incidence-and-economic-impact-of-incidental-findings-on-18-f-fdg-pet-ct-imaging
#11
Scott J Adams, Rajan Rakheja, Rhonda Bryce, Paul S Babyn
PURPOSE: The study sought to determine the incidence of incidental findings on whole-body positron emission tomography with computed tomography (PET/CT) imaging and the average costs of investigations to follow-up or further characterize incidental findings. METHODS: Imaging reports of 215 patients who underwent whole-body PET/CT imaging were retrospectively reviewed. Our provincial picture archiving and communication system was queried and patient charts were reviewed to identify all investigations performed to follow-up incidental findings within 1 year of the initial PET/CT study...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458955/percutaneous-liver-tumour-ablation-image-guidance-endpoint-assessment-and-quality-control
#12
REVIEW
Robbert S Puijk, Alette H Ruarus, Hester J Scheffer, Laurien G P H Vroomen, Aukje A J M van Tilborg, Jan J J de Vries, Ferco H Berger, Petrousjka M P van den Tol, Martijn R Meijerink
Liver tumour ablation nowadays represents a routine treatment option for patients with primary and secondary liver tumours. Radiofrequency ablation and microwave ablation are the most widely adopted methods, although novel techniques, such as irreversible electroporation, are quickly working their way up. The percutaneous approach is rapidly gaining popularity because of its minimally invasive character, low complication rate, good efficacy rate, and repeatability. However, matched to partial hepatectomy and open ablations, the issue of ablation site recurrences remains unresolved and necessitates further improvement...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458954/irreversible-electroporation-in-hepatopancreaticobiliary-tumours
#13
REVIEW
A H Ruarus, L G P H Vroomen, R S Puijk, H J Scheffer, B M Zonderhuis, G Kazemier, M P van den Tol, F H Berger, M R Meijerink
Hepatopancreaticobiliary tumours are often diagnosed at an advanced disease stage, in which encasement or invasion of local biliary or vascular structures has already occurred. Irreversible electroporation (IRE) is an image-guided tumour ablation technique that induces cell death by exposing the tumour to high-voltage electrical pulses. The cellular membrane is disrupted, while sparing the extracellular matrix of critical tubular structures. The preservation of tissue integrity makes IRE an attractive treatment option for tumours in the vicinity of vital structures such as splanchnic blood vessels and major bile ducts...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458953/clinical-image-quality-and-sensitivity-in-an-organized-mammography-screening-program
#14
Isabelle Théberge, Marie-Hélène Guertin, Nathalie Vandal, Jean-Marc Daigle, Michel-Pierre Dufresne, Nancy Wadden, Rene Shumak, Caroline Samson, André Langlois, Isabelle Larocque, Linda Perron, Éric Pelletier, Jacques Brisson
PURPOSE: The study sought to examine the association between clinical image quality of mammograms and screening sensitivity. METHODS: Four radiologists evaluated the clinical image quality of 374 invasive screen-detected cancers and 356 invasive interval breast cancers for which quality evaluation of screening mammograms could be assessed from cancers diagnosed among participants in the Quebec Breast Cancer Screening Program in 2007. Quality evaluation was based on the Canadian Association of Radiologists accreditation criteria, which are similar to those of the American College of Radiology...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458952/post-vacuum-assisted-stereotactic-core-biopsy-clip-displacement-a-comparison-between-commercially-available-clips-and-surgical-clip
#15
COMPARATIVE STUDY
Peggy Yen, Sandra Dumas, Arianne Albert, Paula Gordon
PURPOSE: The placement of localization clips following percutaneous biopsy is a standard practice for a variety of situations. Subsequent clip displacement creates challenges for imaging surveillance and surgical planning, and may cause confusion amongst radiologists and between surgeons and radiologists. Many causes have been attributed for this phenomenon including the commonly accepted "accordion effect." Herein, we investigate the performance of a low cost surgical clip system against 4 commercially available clips...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29458951/radiologists-a-keystone-of-multidisciplinary-oncology-practice
#16
EDITORIAL
Michael O'Keeffe, Peter L Munk
No abstract text is available yet for this article.
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29371031/prominent-canadian-radiologist-receives-the-order-of-canada
#17
LETTER
Robert J Sevick
No abstract text is available yet for this article.
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29276110/imaging-features-of-common-pediatric-intracranial-tumours-a-primer-for-the-radiology-trainee
#18
REVIEW
Daddy Mata-Mbemba, John Donnellan, Pradeep Krishnan, Manohar Shroff, Prakash Muthusami
No abstract text is available yet for this article.
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29224737/staging-computed-tomography-in-patients-with-noncurative-laparotomy-for-periampullary-cancer-does-nonstructured-reporting-adequately-communicate-resectability
#19
Harry R Marshall, Jeff Hawel, Michael Meschino, Daniele Wiseman, Amol Mujoomdar, Esther Lau, Ken Leslie, Cathy Yoshy
No abstract text is available yet for this article.
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/29198818/comparison-of-general-anesthesia-and-conscious-sedation-during-computed-tomography-guided-radiofrequency-ablation-of-t1a-renal-cell-carcinoma
#20
COMPARATIVE STUDY
Hae Jin Kim, Byung Kwan Park, In Sun Chung
PURPOSE: Percutaneous radiofrequency ablation is so painful that this treatment requires pain control such as conscious sedation or general anesthesia. It is still unclear which type of anesthesia is better for treatment outcomes of renal cell carcinoma. This study aimed to compare general anesthesia and conscious sedation in treating patients with renal cell carcinoma with radiofrequency ablation. METHODS: Between 2010 and 2015, 51 patients with biopsy-proven renal cell carcinomas (<4 cm) were treated with computed tomography-guided radiofrequency ablation...
February 2018: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
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