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AJR. American Journal of Roentgenology

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https://www.readbyqxmd.com/read/28537847/diagnostic-performance-of-mri-versus-galactography-in-women-with-pathologic-nipple-discharge-a-systematic-review-and-meta-analysis
#1
Nicole Berger, Andrea Luparia, Giovanni Di Leo, Luca Alessandro Carbonaro, Rubina Manuela Trimboli, Federico Ambrogi, Francesco Sardanelli
OBJECTIVE: The objective of our study was to perform a systematic review of the literature of the diagnostic accuracy of MRI compared with galactography in women with pathologic nipple discharge. MATERIALS AND METHODS: A systematic literature search was performed (MEDLINE, Embase, Web of Science) for articles evaluating the diagnostic performance of MRI and galactography in patients with pathologic nipple discharge and with histologic verification or clinical follow-up...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537800/advanced-mri-techniques-for-the-hip-joint-focus-on-the-postoperative-hip
#2
Jennifer L Berkowitz, Hollis G Potter
OBJECTIVE: Imaging the hip joint with optimized MRI protocol parameters provides the radiologist with the ability to reliably diagnose complex hip abnormalities. The institution of appropriate metal artifact reduction techniques and dedicated sequences can enhance visualization of the periprosthetic bone and soft tissues and allow improved detection of the more frequently encountered total hip arthroplasty-related conditions, such as mechanical loosening, polyethylene wear, and adverse local tissue reactions...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537788/the-precision-of-hepatic-arterial-infusion-scintigraphy-as-a-quantitative-biomarker-of-tumor-microvasculature
#3
Mark Dunphy, Neeta Pandit-Taskar, Josef J Fox, Nancy Kemeny
OBJECTIVE: Optimal clinical development of new cancer therapies targeting tumor vasculature requires new target-specific response assays. This clinical study examined the test-retest repeatability of SPECT as an in vivo assay of angiogenic hepatic tumor microvasculature using an intraarterial infusion of (99m)Tc-macroaggregated albumin (MAA) delivered via a hepatic artery infusion (HAI) pump. MATERIALS AND METHODS: Patients with primary or secondary cancerous liver tumors with HAI pump-catheter implants placed for HAI chemotherapy underwent hepatic SPECT after separate arterial infusions of 37 and 185 MBq of (99m)Tc-MAA via an HAI pump...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537770/automated-description-of-regional-left-ventricular-motion-in-patients-with-cardiac-amyloidosis-a-quantitative-study-using-heart-deformation-analysis
#4
Leng Meng, Kai Lin, Jeremy Collins, Michael Markl, James C Carr
OBJECTIVE: The purpose of this article is to test the hypothesis that heart deformation analysis can automatically quantify regional myocardial motion patterns in patients with cardiac amyloidosis. SUBJECTS AND METHODS: Eleven patients with cardiac amyloidosis and 11 healthy control subjects were recruited to undergo cardiac MRI. Cine images were analyzed using heart deformation analysis and feature tracking. Heart deformation analysis-derived myocardial motion indexes in radial and circumferential directions, including radial and circumferential displacement, radial and circumferential velocity, radial and circumferential strain, and radial and circumferential strain rate, were compared between the two groups...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537759/imaging-evaluation-of-nonacute-shoulder-pain
#5
Michael J Tuite, Kirstin M Small
OBJECTIVE: A variety of radiographic views have been described in the literature for the initial imaging of nonacute shoulder pain. Multiple articles have also discussed the best next imaging test if radiographs do not show the diagnosis, especially the use of unenhanced MRI, MR arthrography, CT arthrography, and ultrasound. The purpose of this article is to examine the evidence for the most helpful radiographic views and the best imaging test after radiographs for different clinical presentations of chronic shoulder pain...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537756/chemoembolization-adopting-polyethylene-glycol-drug-eluting-embolics-loaded-with-doxorubicin-for-the-treatment-of-hepatocellular-carcinoma
#6
Camillo Aliberti, Riccardo Carandina, Donatella Sarti, Luca Mulazzani, Enrico Pizzirani, Stefano Guadagni, Giammaria Fiorentini
OBJECTIVE: The purpose of this study is to determine the efficacy and tolerability of transarterial chemoembolization (TACE) using polyethylene glycol (PEG) drug-elutable microspheres loaded with doxorubicin for treatment of hepatocellular carcinoma (HCC). SUBJECTS AND METHODS: Forty-two patients with unresectable HCC, as determined by a tumor board, were assigned to undergo TACE and were treated with PEG drug-elutable embolics loaded with doxorubicin. Patients were prospectively enrolled and included 32 (76%) men and 10 (24%) women...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537754/development-of-a-standardized-kalamazoo-communication-skills-assessment-tool-for-radiologists-validation-multisource-reliability-and-lessons-learned
#7
Stephen D Brown, Elizabeth A Rider, Katherine Jamieson, Elaine C Meyer, Michael J Callahan, Carolynn M DeBenedectis, Sarah D Bixby, Michele Walters, Sara F Forman, Pamela H Varrin, Peter Forbes, Christopher J Roussin
OBJECTIVE: The purpose of this study was to develop and test a standardized communication skills assessment instrument for radiology. MATERIALS AND METHODS: The Delphi method was used to validate the Kalamazoo Communication Skills Assessment instrument for radiology by revising and achieving consensus on the 43 items of the preexisting instrument among an interdisciplinary team of experts consisting of five radiologists and four nonradiologists (two men, seven women)...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537753/radiologic-pathologic-correlation-for-benign-results-after-mri-guided-breast-biopsy
#8
Katharine D Maglione, Amie Y Lee, Kimberly M Ray, Bonnie N Joe, Ronald Balassanian
OBJECTIVE: The majority of MRI-guided breast biopsies yield benign pathology. The purpose of this article is to provide a comprehensive overview of benign pathologic entities commonly encountered at MRI-guided breast biopsy. CONCLUSION: Proper radiologic-pathologic correlation is an integral component of MRI-guided breast biopsy. Familiarity with the spectrum of MRI findings and key histopathologic features of common benign entities will enhance the radiologist's confidence in determining concordance and lead to improved patient management recommendations...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28537752/imaging-features-of-spindle-cell-breast-lesions
#9
Andrew S Taliaferro, Valerie Fein-Zachary, Shambhavi Venkataraman, Tejas S Mehta, Amee Patel, Priscilla J Slanetz
OBJECTIVE: The purpose of our study is to review the clinical presentation, multimodality appearance, and management of the most common benign and malignant spindle cell lesions of the breast. CONCLUSION: Spindle cell lesions of the breast exhibit characteristic features at mammography, ultrasound, and MRI. Although a definitive diagnosis of these lesions cannot be made with diagnostic imaging alone, knowledge of their characteristic imaging features can assist in refining the differential diagnosis and guiding appropriate management...
May 24, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504593/comparison-between-digital-and-synthetic-2d-mammograms-in-breast-density-interpretation
#10
Taghreed I Alshafeiy, Antoine Wadih, Brandi T Nicholson, Carrie M Rochman, Heather R Peppard, James T Patrie, Jennifer A Harvey
OBJECTIVE: The purpose of this study was to compare assessments of breast density on synthetic 2D images as compared with digital 2D mammograms. MATERIALS AND METHODS: This retrospective study included consecutive women undergoing screening with digital 2D mammography and tomosynthesis during May 2015 with a negative or benign outcome. In separate reading sessions, three radiologists with 5-25 years of clinical experience and 1 year of experience with synthetic 2D mammography read digital 2D and synthetic 2D images and assigned breast density categories according to the 5th edition of BI-RADS...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504582/endoscopic-clip-mri-screening-a-canada-wide-policy-survey
#11
Fabio Accorsi, Geneviève Coutu, Emily-Lauren Simms, Alain Lalonde, David A Leswick
OBJECTIVE: Not all endoscopically placed clips are MRI compatible, so screening for endoscopic clips before MRI is recommended. The purpose of this study was to assess endoscopic clip screening practices at Canadian MRI centers, including number of centers that screen, specific screening methods, perceived safety of endoscopic clip models, and practices for dealing with confirmed gastrointestinal endoscopic clips. MATERIALS AND METHODS: A bilingual online survey was distributed to Canadian MRI centers to assess site demographics, endoscopic clip screening practices, safety considerations for different endoscopic clip models, protocols for dealing with patients with endoscopic clips, and the perceived value of screening...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504572/screening-mammography-for-women-in-their-40s-the-potential-impact-of-the-american-cancer-society-and-u-s-preventive-services-task-force-breast-cancer-screening-recommendations
#12
Jenifer A Pitman, Geraldine B McGinty, Rohan R Soman, Michele B Drotman, Melissa B Reichman, Elizabeth Kagan Arleo
OBJECTIVE: The purpose of this study was to review screening mammograms obtained in one practice with the primary endpoint of determining the rate of detection of breast cancer and associated prognostic features in women 40-44 and 45-49 years old. MATERIALS AND METHODS: The retrospective cohort study included women in their 40s with breast cancer detected at screening from June 2014 through May 2016. The focus was on cancer detection rate, pathologic findings, and risk factors...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504571/the-legend-of-the-luschka-tubercle-and-its-association-with-snapping-scapulae-osseous-morphology-of-snapping-scapulae-on-ct-images
#13
Tobias J Dietrich, Christoph A Agten, Philipp Fürnstahl, Lazaros Vlachopoulos, Christian W A Pfirrmann
OBJECTIVE: The purpose of this article is to determine the osseous morphology of snapping scapulae on CT images. MATERIALS AND METHODS: Retrospectively, 2D and 3D CT images of the scapulae of 35 patients with snapping scapula were compared with 35 age-matched control group subjects. Two observers analyzed the following parameters: presence of the Luschka tubercle; abnormalities of the bones and periscapular soft tissues; shape, thickness, and length of the superior angle of the scapula; craniocaudal length of the scapula; minimum distance between the scapula and rib cage; depth of the subscapular fossa; and the superomedial angle...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504564/cinematic-rendering-in-ct-a-novel-lifelike-3d-visualization-technique
#14
Marwen Eid, Carlo N De Cecco, John W Nance, Damiano Caruso, Moritz H Albrecht, Adam J Spandorfer, Domenico De Santis, Akos Varga-Szemes, U Joseph Schoepf
OBJECTIVE: The purpose of this article is to present an overview of cinematic rendering, illustrating its potential advantages and applications. CONCLUSION: Volume-rendered reconstruction, obtaining 3D visualization from original CT datasets, is increasingly used by physicians and medical educators in various clinical and educational scenarios. Cinematic rendering is a novel 3D rendering algorithm that simulates the propagation and interaction of light rays as they pass through the volumetric data, showing a more photorealistic representation of 3D images than achieved with standard volume rendering...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504563/pet-molecular-imaging-directed-biopsy-a-review
#15
Baowei W Fei, David M Schuster
OBJECTIVE: The purpose of this review is to summarize the applications of PET molecular imaging-directed biopsy of a variety of organs in the management of various diseases with a focus on cancers. CONCLUSION: PET can yield metabolic information at the cellular and molecular levels, and PET-directed biopsy is playing an increasing role in the diagnosis and staging of diseases.
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504551/memorial-wilma-c-diner
#16
Teresita L Angtuaco, Edgardo J Angtuaco
No abstract text is available yet for this article.
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504550/liver-abscesses-factors-that-influence-outcome-of-percutaneous-drainage
#17
Steffen J Haider, Massimo Tarulli, Nancy J McNulty, Eric K Hoffer
OBJECTIVE: The purpose of this study was to identify the details of percutaneous catheter drainage (PCD) of pyogenic liver abscesses, the etiologic factors, and the management techniques that contribute to successful treatment. MATERIALS AND METHODS: The records of 75 consecutively registered patients who underwent PCD of 96 abscesses at a single institution between May 2009 and May 2014 were retrospectively reviewed. Thirty-nine patients (52%) were oncology patients, and 36 (48%) had recently undergone abdominal surgery...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504548/the-lumbar-neural-foramen-and-transforaminal-epidural-steroid-injections-an-anatomic-review-with-key-safety-considerations-in-planning-the-percutaneous-approach
#18
Jacob C Mandell, Gregory J Czuczman, Glenn C Gaviola, Varand Ghazikhanian, Charles H Cho
OBJECTIVE: The purpose of this article is to review the anatomy of the lumbar neural foramen and to describe techniques of transforaminal epidural steroid injections with emphasis on safety. Rare cases of paraplegia have been reported. CONCLUSION: Although no consensus currently exists about which approach is the safest, knowledge of the foraminal anatomy is a key consideration when choosing a needle approach for transforaminal epidural steroid injections.
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504546/use-of-a-3d-printed-abdominal-compression-device-to-facilitate-ct-fluoroscopy-guided-percutaneous-interventions
#19
Yan Epelboym, Paul B Shyn, Ahmed Hosny, Tatiana Kelil, Jeffrey Forris Beecham Chick, Nikunj R Chauhan, Beth Ripley, Richard D Nawfel, Francis J Scholz
OBJECTIVE: The purpose of this article is to describe a handheld external compression device used to facilitate CT fluoroscopy-guided percutaneous interventions in the abdomen. CONCLUSION: The device was designed with computer-aided design software to modify an existing gastrointestinal fluoroscopy compression device and was constructed by 3D printing. This abdominal compression device facilitates access to interventional targets, and its use minimizes radiation exposure of radiologists...
May 15, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28504545/detection-of-hemodynamically-significant-coronary-artery-stenosis-with-ct-enhancement-ratio-a-validation-study-in-a-porcine-model
#20
Jun Chen, Yang Pu, Zhang Zhang, Xuefang Yu, Zhengwen Yang
OBJECTIVE: Although numerous techniques that are based on CT number analysis have been proposed, the assessment of hemodynamically significant coronary artery stenosis remains a great challenge. The purpose of this study is to validate use of the CT enhancement ratio in the detection of hemodynamically significant coronary artery stenosis in a porcine model. MATERIALS AND METHODS: Experiments involving eight closed-chest swine were performed. A balloon catheter was placed into the left anterior descending coronary artery to simulate different degrees of luminal stenosis...
May 15, 2017: AJR. American Journal of Roentgenology
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