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AJR. American Journal of Roentgenology

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https://www.readbyqxmd.com/read/27897445/journal-club-predictors-of-provider-response-to-clinical-decision-support-lessons-learned-from-the-medicare-imaging-demonstration
#1
Ivan K Ip, Ronilda Lacson, Keith Hentel, Sameer Malhotra, Jonathan Darer, Curtis Langlotz, Jonathan Weiss, Ali S Raja, Ramin Khorasani
OBJECTIVE: The efficacy of imaging clinical decision support (CDS) varies. Our objective was to identify CDS factors contributing to imaging order cancellation or modification. SUBJECTS AND METHODS: This pre-post study was performed across four institutions participating in the Medicare Imaging Demonstration. The intervention was CDS at order entry for selected outpatient imaging procedures. On the basis of the information entered, computerized alerts indicated to providers whether orders were not covered by guidelines, appropriate, of uncertain appropriateness, or inappropriate according to professional society guidelines...
November 29, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27897437/one-coin-no-need-to-flip-shared-pet-targets-in-cancer-and-coronary-artery-disease
#2
A N Paschali, S G Nekolla, K Evangelou, G J Cook, Constantinos D Anagnostopoulos
OBJECTIVE: The purposes of this article are to review the common biologic features of cancer and coronary artery disease assessed with PET tracers, focusing on those already used in the clinic and those with translational potential, and to discuss the current value and expected contribution of PET in diagnosis, risk stratification, and treatment monitoring. CONCLUSION: PET using a wide variety of radiotracers enhances understanding of pathophysiologic changes shared by cancer and coronary artery disease, helps establish an accurate diagnosis, and aids in prognostic assessment and management decisions...
November 29, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27897042/state-of-the-art-pulmonary-ct-angiography-for-acute-pulmonary-embolism
#3
Moritz H Albrecht, Matthew W Bickford, John W Nance, Longjiang Zhang, Carlo N De Cecco, Julian L Wichmann, Thomas J Vogl, U Joseph Schoepf
OBJECTIVE: Pulmonary CT angiography (CTA) is the imaging modality of choice in suspected acute pulmonary embolism (PE). Current pulmonary CTA techniques involve ever lower doses of contrast medium and radiation along with advanced postprocessing applications to enhance image quality, diagnostic accuracy, and provide added value in patient management. The objective of this article is to summarize these current developments and discuss the appropriate use of state-of-the-art pulmonary CTA...
November 29, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27897032/ultrasound-evaluation-of-morton-neuroma-before-and-after-laser-therapy
#4
Lana H Gimber, David M Melville, Darin A Bocian, Elizabeth A Krupinski, Matthew P Del Guidice, Mihra S Taljanovic
OBJECTIVE: The objective of our study was to retrospectively assess for differences in imaging appearances of Morton neuromas before and after laser therapy using diagnostic ultrasound (US). MATERIALS AND METHODS: A retrospective review was performed to identify patients who underwent US imaging to evaluate for Morton neuroma during the study period (June 1, 2013-July 1, 2014); of the 42 patients identified, 21 underwent US evaluations before and after laser therapy...
November 29, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27897028/a-single-center-experience-with-isolated-limb-infusion-an-interventional-oncology-opportunity
#5
Adam DeFoe, Andrew Heckman, Dick Slater, Edibaldo Silva-Lopez, Jason Foster, Thom Bowden, Christopher Vargo
OBJECTIVE: This retrospective review details our experience with isolated limb infusion for the treatment of melanoma, squamous cell carcinoma, and sarcoma in-transit metastases performed entirely in the interventional radiology suite. Eleven patients were treated over a 3-year period. Treatment response was assessed clinically and with PET/CT. CONCLUSION: Eight patients had either complete or partial response, giving an overall response rate of 72%. Isolated limb infusion can efficiently be performed entirely in the interventional radiology suite...
November 29, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845860/percutaneous-image-guided-cryoablation-of-head-and-neck-tumors-for-local-control-preservation-of-functional-status-and-pain-relief
#6
Jeffrey P Guenette, Kemal Tuncali, Nathan Himes, Paul B Shyn, Thomas C Lee
OBJECTIVE: We report nine consecutive percutaneous image-guided cryoablation procedures of head and neck tumors in seven patients (four men and three women; mean age, 68 years; age range, 50-78 years). Ablation of the entire tumor for local control or ablation of a region of tumor for pain relief or preservation of function was achieved in eight of nine procedures. One patient experienced intraprocedural bradycardia, and another developed a neopharyngeal abscess. There were no deaths, permanent neurologic or functional deficits, vascular complications, or adverse cosmetic sequelae due to the procedures...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845853/delayed-onset-muscle-soreness-temporal-assessment-with-quantitative-mri-and-shear-wave-ultrasound-elastography
#7
Christoph A Agten, Florian M Buck, Linda Dyer, Martin Flück, Christian W A Pfirrmann, Andrea B Rosskopf
OBJECTIVE: The objective of our study was to assess delayed-onset muscle soreness (DOMS) over time using quantitative MRI and shear-wave ultrasound (US) elastography. SUBJECTS AND METHODS: Five male (mean age ± SD, 39.6 ± 4.6 years) and five female (30.6 ± 13.5 years) volunteers underwent 1.5-T MRI before and after (15 minutes, 1 day, 3 days, 7 days) performing unilateral eccentric resistance exercise of the elbow flexor muscles. The MRI examinations included fluid-sensitive, DWI, and diffusion-tensor imaging sequences of the distal upper arm...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845850/ct-guided-percutaneous-lung-biopsies-in-patients-with-suspicion-for-infection-may-yield-clinically-useful-information
#8
Brian M Haas, Joshua D Clayton, Brett M Elicker, Karen G Ordovas, David M Naeger
OBJECTIVE: The objective of our study was to assess the frequency and time frame with which CT-guided lung biopsies for suspected infection yield information that can affect patient management. MATERIALS AND METHODS: All CT-guided lung biopsies over a 68-month period performed for the purpose of diagnosing a suspected infection were reviewed to determine the proportion that yielded information affecting patient management. Patients were included if infection was the only consideration causing the pulmonary lesion in question...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845847/visual-assessment-of-the-intensity-and-pattern-of-t1-hyperintensity-on-mri-to-differentiate-hemorrhagic-renal-cysts-from-renal-cell-carcinoma
#9
Choo-Won Kim, Krishna P Shanbhogue, Jessica Schreiber-Zinaman, Fang-Ming Deng, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study was to apply a visual assessment of the intensity and pattern of T1 hyperintensity at MRI to differentiate hemorrhagic renal cysts from renal cell carcinoma (RCC). MATERIALS AND METHODS: A total of 144 T1-hyperintense renal lesions (62 cysts, all showing no enhancement on subtracted contrast-enhanced images and either 2-year stability or unenhanced CT density > 70 HU, and 82 histologically confirmed RCCs) in 144 patients were included...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845839/section-editor-s-notebook-mentoring-academic-careers-and-manuscript-reviewing
#10
Howard P Forman
No abstract text is available yet for this article.
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845838/neuroimaging-of-children-with-surgically-treated-hydrocephalus-a-practical-approach
#11
Caroline D Robson, Robert D MacDougall, Joseph R Madsen, Benjamin C Warf, Richard L Robertson
OBJECTIVE: Children with surgically treated hydrocephalus commonly undergo multiple neuroimaging studies. The purpose of this article is to share an experience with use of the as low as reasonably achievable (ALARA) principle to guide the imaging approach to these patients. CONCLUSION: A reasonably achievable strategy for minimizing ionizing radiation in patients with surgically treated hydrocephalus includes rapid-sequence MRI and judicious use of dose-optimized head CT...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27845836/diffuse-pulmonary-lymphangiomatosis-mdct-findings-after-direct-lymphangiography
#12
Xiaoli Sun, Wenbin Shen, Song Xia, Tingguo Wen, Rengui Wang
OBJECTIVE: The aim of this study was to analyze the findings of MDCT performed after direct lymphangiography in patients with diffuse pulmonary lymphangiomatosis. MATERIALS AND METHODS: Twenty-three patients (13 male and 10 female patients) diagnosed with diffuse pulmonary lymphangiomatosis on the basis of clinical features and findings from imaging, bronchoscopy, and pathologic analysis were retrospectively evaluated. All patients underwent pulmonary MDCT after direct lymphangiography, surgical operation or open lung biopsy, and histopathologic examination...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824502/material-failure-of-silicone-catheter-lines-a-retrospective-review-of-partial-and-complete-ruptures-in-553-patients
#13
Jasmin D Busch, Maren Vens, Jochen Herrmann, Gerhard Adam, Harald Ittrich
OBJECTIVE: This present study reports the frequency and outcome of material failure of the silicone catheter lines of a port device implanted in the upper arm during a 5-year period. MATERIALS AND METHODS: From 2006 to 2011, a total of 553 patients had a port device implanted percutaneously in the upper arm. In the spring of 2013, several instances of material failure led to device withdrawal. At that time, 39 patients (7.1%) with the specific device in situ were still alive, and 36 of these patients agreed to removal...
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824501/efficacy-and-safety-of-aspiration-sclerotherapy-of-simple-hepatic-cysts-a-systematic-review
#14
Titus F M Wijnands, Alena P M Görtjes, Tom J G Gevers, Sjoerd F M Jenniskens, Leo J Schulze Kool, Andrej Potthoff, Maxime Ronot, Joost P H Drenth
OBJECTIVE: Aspiration sclerotherapy is a percutaneous procedure indicated for treatment of symptomatic simple hepatic cysts. The efficacy and safety of this procedure have been sources of debate and disagreement for years. The purpose of this study was to assess the long-term efficacy and safety of aspiration sclerotherapy in a systematic review of the literature. MATERIALS AND METHODS: A systematic search was conducted of the electronic databases PubMed MEDLINE, Embase, Web of Science, and the Cochrane Library (until August 2015)...
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824494/forensic-3d-visualization-of-ct-data-using-cinematic-volume-rendering-a-preliminary-study
#15
Lars C Ebert, Wolf Schweitzer, Dominic Gascho, Thomas D Ruder, Patricia M Flach, Michael J Thali, Garyfalia Ampanozi
OBJECTIVE: The 3D volume-rendering technique (VRT) is commonly used in forensic radiology. Its main function is to explain medical findings to state attorneys, judges, or police representatives. New visualization algorithms permit the generation of almost photorealistic volume renderings of CT datasets. The objective of this study is to present and compare a variety of radiologic findings to illustrate the differences between and the advantages and limitations of the current VRT and the physically based cinematic rendering technique (CRT)...
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824492/evolution-of-intrameniscal-signal-intensity-alterations-detected-on-mri-over-24-months-in-patients-with-traumatic-anterior-cruciate-ligament-tear
#16
Julio Brandao Guimaraes, Luca Facchetti, Benedikt J Schwaiger, Alexandra S Gersing, Sharmila Majumdar, Benjamin C Ma, Xiaojuan Li, Thomas M Link
OBJECTIVE: The objective of our study was to assess the prevalence and evolution of intrameniscal signal-intensity alteration in subjects with an anterior cruciate ligament (ACL) tear over 24 months and compare clinical outcome and changes of cartilage between subjects with and those without this meniscal abnormality. MATERIALS AND METHODS: Fifty-seven subjects with an ACL tear were screened for intrameniscal signal-intensity alteration. Morphologic and compositional MRI was performed before ACL reconstruction and 12 and 24 months after ACL reconstruction...
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824489/gangrenous-cholecystitis
#17
Binit Sureka
No abstract text is available yet for this article.
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824488/pins-and-needles-from-fingers-to-toes-high-resolution-mri-of-peripheral-sensory-mononeuropathies
#18
Swati Deshmukh, John A Carrino, Joseph H Feinberg, Scott W Wolfe, Sonja Eagle, Darryl B Sneag
OBJECTIVE: The purpose of this article is to review advanced MRI techniques and describe the MRI findings of pure sensory mononeuropathy with relevant clinical and anatomic correlation. CONCLUSION: Peripheral sensory mononeuropathy can be challenging to evaluate with MRI because of the small caliber of pure sensory nerves and the lack of changes in secondary muscular denervation. Advances in MRI afford the necessary signal-intensity contrast and resolution for adequate evaluation of many of these small peripheral nerves...
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824487/small-4-cm-renal-tumors-with-predominantly-low-signal-intensity-on-t2-weighted-images-differentiation-of-minimal-fat-angiomyolipoma-from-renal-cell-carcinoma
#19
Jung Jae Park, Chan Kyo Kim
OBJECTIVE: The purpose of this study was to retrospectively investigate the utility of multiparametric MRI in differentiating minimal-fat angiomyolipoma (AML) from renal cell carcinoma (RCC) in small renal tumors with predominantly low signal intensity on T2-weighted MR images. MATERIALS AND METHODS: Fifty-six patients with pathologically identified renal tumors (1-4 cm) with predominantly low signal intensity on T2-weighted images without visible fat on unenhanced CT images were enrolled...
November 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27824485/the-value-of-secretin-enhanced-mrcp-in-patients-with-recurrent-acute-pancreatitis
#20
Kumar Sandrasegaran, Bilal Tahir, Udaykamal Barad, Evan Fogel, Fatih Akisik, Temel Tirkes, Stuart Sherman
OBJECTIVE: The purpose of this study is to assess the additional value of secretin-enhanced MRCP over conventional (non-secretin-enhanced) MRCP in diagnosing disease in patients with recurrent acute pancreatitis. MATERIALS AND METHODS: A retrospective review of a radiology database found 72 patients with recurrent acute pancreatitis who had secretin-enhanced MRCP and ERCP correlation within 3 months of each other between January 2007 and December 2011. Of these patients, 54 had no history of pancreatic tumor or surgery and underwent MRI more than 3 months after an episode of acute pancreatitis...
November 8, 2016: AJR. American Journal of Roentgenology
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