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Emergency Radiology

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https://www.readbyqxmd.com/read/28932923/dual-energy-bone-removal-computed-tomography-brct-preliminary-report-of-efficacy-of-acute-intracranial-hemorrhage-detection
#1
Norihito Naruto, Hidenori Tannai, Kazuma Nishikawa, Kentaro Yamagishi, Masahiko Hashimoto, Hideto Kawabe, Yuichi Kamisaki, Hisashi Sumiya, Satoshi Kuroda, Kyo Noguchi
PURPOSE: One of the major applications of dual-energy computed tomography (DECT) is automated bone removal (BR). We hypothesized that the visualization of acute intracranial hemorrhage could be improved on BRCT by removing bone as it has the highest density tissue in the head. This preliminary study evaluated the efficacy of a DE BR algorithm for the head CT of trauma patients. METHODS: Sixteen patients with acute intracranial hemorrhage within 1 day after head trauma were enrolled in this study...
September 20, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28921009/radiation-overexposure-from-repeated-ct-scans-in-young-adults-with-acute-abdominal-pain
#2
Massimo Tonolini, Elena Valconi, Angelo Vanzulli, Roberto Bianco
PURPOSE: The purpose of this study is to assess the dose of ionizing radiation caused by repeated CT scans performed to investigate non-traumatic acute abdominal conditions in young adults. METHODS: Over 26 months, we collected a cohort of patients aged 18 to 45 years who were subject to at least one urgent contrast-enhanced abdomen/pelvis CT. Patients affected with urolithiasis, HIV infection, tumors, and vascular and chronic inflammatory bowel diseases were excluded...
September 18, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28913762/the-role-of-computed-tomography-ct-in-predicting-diplopia-in-orbital-blowout-fractures-bofs
#3
Michaela Cellina, Chiara Floridi, Marta Panzeri, Oliva Giancarlo
PURPOSE: The management of orbital blowout fractures (BOFs) is controversial: the evaluation of diplopia is the most important criterion for planning whether to undertake surgery. Our aim was to determine CT findings that may suggest the presence of diplopia when patients with BOFs cannot be adequately examined to plan an orbital repair. METHOD AND MATERIALS: We retrospectively evaluated CT of all patients presented to our Emergency Department for blunt craniofacial trauma (N = 3334) from January 2014 to March 2016, selecting patients with CT-demonstrated BOFs...
September 14, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28900773/ct-evaluation-of-musculoskeletal-trauma-initial-experience-with-cinematic-rendering
#4
Steven P Rowe, Jan Fritz, Elliot K Fishman
Multi-detector computed tomography (MDCT) scanners that can quickly acquire volumetric datasets composed of isotropic voxels laid the groundwork for the widespread clinical implementation of 3D MDCT reconstructions, with maximum intensity projection (MIP) and volumetric rendering (VR) becoming important parts of the imaging evaluation of patients with a wide variety of pathologic conditions. Recently, a new 3D reconstruction technique known as cinematic rendering (CR) has become available and is now U.S. FDA approved...
September 12, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28884300/what-every-radiologist-should-know-about-adnexal-torsion
#5
Guillaume Ssi-Yan-Kai, Anne-Laure Rivain, Caroline Trichot, Marie-Chantal Morcelet, Sophie Prevot, Xavier Deffieux, Jocelyne De Laveaucoupet
Adnexal torsion is the fifth most common gynecologic surgical emergency, requiring clinician and radiologist awareness. It involves the rotation of the ovarian tissue on its vascular pedicle leading to stromal edema, hemorrhagic infarction, and necrosis of the adnexal structures with the subsequent sequelae. Expedient diagnosis poses a difficult challenge because the clinical presentation is variable and often misleading. Adnexal torsion can mimic malignancy as it can take a subacute, intermittent, or chronic course, and thereby can be complicated to diagnose...
September 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28875390/core-curriculum-illustration-pulmonary-laceration
#6
Daniel Carson, Rachael Edwards
This is the 44th installment of a series that will highlight one case per publication issue from the bank of cases available online as part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for Study online at: http://www.erad.org/page/CCIP_TOC .
September 5, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28871382/beyond-stroke-uncommon-causes-of-diffusion-restriction-in-the-basal-ganglia
#7
Alok A Bhatt, Justin L Brucker, Jeevak Almast
In the emergency setting, a regional area of restricted diffusion involving the basal ganglia typically represents an acute infarct due to small vessel occlusion. However, it is important to consider additional differentials, specifically systemic causes. This article will review anatomy of the basal ganglia and pertinent associated vasculature, followed by other entities that can be a cause of restricted diffusion. These include hemolytic uremic syndrome, hypereosinophilic syndrome, fat embolism, meningitis, and hypoxic-ischemic injury...
September 4, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28861635/diffusion-weighted-imaging-of-the-pericholecystic-hepatic-parenchyma-for-distinguishing-acute-and-chronic-cholecystitis
#8
Avneesh Gupta, Christina A LeBedis, Jennifer Uyeda, Mohammed M Qureshi, Stephan W Anderson, Jorge A Soto
PURPOSE: The purpose of this study is to measure the performance of restricted diffusion of the pericholecystic hepatic parenchyma for distinguishing between acute and chronic cholecystitis. METHODS: The institutional review board approved this HIPAA-compliant retrospective study. Two hundred sixty-six patients presenting with acute right upper quadrant pain between 10/3/2010 and 11/28/2012 undergoing MR within 48 h of equivocal utility of ultrasound (US) were included...
August 31, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28840373/implementing-ultrasound-guided-hydrostatic-reduction-of-intussusception-in-a-low-resource-country-in-sub-saharan-africa-our-initial-experience-in-ethiopia
#9
Eyasu Wakjira, Samuel Sisay, Jonathan Zember, Daniel Zewdneh, Yocabel Gorfu, Tesfaye Kebede, Amezene Tadesse, Kassa Darge
BACKGROUND: Despite advances in non-invasive radiological techniques for the treatment of intussusception, management of the entity still remains exclusively surgical in many developing countries, including Ethiopia. Fluoroscopic units are rare or mostly dysfunctional. Ultrasound scanners are more commonly available. Ultrasound-guided hydrostatic reduction (USGHR) was recently introduced to the main referral hospital in Ethiopia, and subsequently has been adopted as the initial management option for intussusception...
August 24, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28831608/infectious-and-inflammatory-diseases-of-the-central-nervous-system-the-spectrum-of-imaging-findings-and-differential-diagnosis
#10
REVIEW
Joseph M Rozell, Edward Mtui, Yu-Ning Pan, Shan Li
The infectious and inflammatory diseases of the central nervous system (CNS) including the brain and spine can present with a wide spectrum of clinical symptoms, locations, and appearance. The purpose of this exhibit is to review the different patterns of their presentations, to illustrate their imaging characteristics and techniques, and to discuss their clinical features and pathology so that the correct diagnosis can be made and prompt intervention can be initiated on a timely fashion.
August 22, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28801805/pulmonary-cta-in-sickle-cell-patients-quantitative-assessment-of-enhancement-quality
#11
Jeff Jensen, Tony Lin, Elliot K Fishman, Pamela T Johnson
PURPOSE: The purpose of this study was to validate the observation that pulmonary artery (PA) enhancement is often decreased in sickle cell disease (SCD) patients imaged with MDCT for suspected pulmonary embolism and determine whether contrast infusion parameters are accountable for lower enhancement levels. MATERIALS AND METHODS: Retrospective comparison of 35 adult SCD patients imaged for suspected pulmonary embolism (PE) in our emergency department using 128-slice dual source MDCT scanner to 34 age and weight matched adult controls...
August 11, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28786040/abdominal-and-pelvic-ct-scan-interpretation-of-emergency-medicine-physicians-compared-with-radiologists-report-and-its-impact-on-patients-outcome
#12
Shahram Bagheri-Hariri, Niloofar Ayoobi-Yazdi, Mo Afkar, Shervin Farahmand, Mona Arbab, Neda Shahlafar, Hamed Basirghafoori, Seyedhosien Seyedhoseini-Davarani, Mojtaba Sedaghat, Atoosa Akhgar
PURPOSE: In this study, the impact of contrast-enhanced abdominopelvic CT scan interpretations by emergency medicine team on patients' morbidity and mortality was evaluated and their interpretations were compared to radiologists' reports. METHODS: During a 3-month period, all patients who had undergone a contrast-enhanced abdominopelvic CT scan at the emergency department enrolled in this study. All CT scans were interpreted blindly by the emergency medicine (ED) attending physicians and the patients were treated accordingly...
August 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28752376/abdominal-pelvic-scanning-parameters-revisited-a-case-for-z-axis-reduction-in-patients-with-clinical-suspicion-for-acute-appendicitis
#13
Darshan C Patel, Yu-Hui Huang, Jonathan Meyer, Amir Sepahdari
PURPOSE: The purpose of this study was to determine if CT for appendicitis can be abbreviated to begin at the top of the L2 vertebral body level and still maintain the detection rate of appendicitis and other symptomatic pathology without omitting significant incidental findings. METHODS: Retrospective review of CT abdomen-pelvis exams for suspected appendicitis over a 5-month period was performed. The Z-axis scan length of the original full scans and theoretical limited scans from the top of L2 were recorded and calculated...
July 27, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28744692/frequency-of-acute-longus-colli-tendinitis-on-ct-examinations
#14
John Boardman, Emanuel Kanal, Patrick Aldred, Joseph Boonsiri, Chijindu Nworgu, Feng Zhang
PURPOSE: We attempted to determine the frequency of acute longus colli tendinitis on diagnostic CT imaging performed at a large multicenter health care system. By correlating with the pre-imaging clinical information, we investigated which patient presentations should lead the radiologist to increased suspicion for this condition. METHODS: Images from a total of 8101 adult CT examinations of the neck and cervical spine performed over a 3-month period were evaluated by researchers independent of the original clinical report...
July 25, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28725923/assessing-3d-t2-fse-sequence-for-identification-of-the-normal-appendix-working-toward-a-single-sequence-mr-appendicitis-protocol
#15
Nattinee Leelakanok, Andrew S Phelps, Matthew A Zapala, Kambrie Kato, Michael Ohliger, Yi Li, Jesse Courtier
PURPOSES: To assess the ability of a single isotropic 3D T2 FSE sequence to identify the normal appendix in children with potential implication as alternative second-line modality in pediatric appendicitis. MATERIALS AND METHODS: Retrospective review of MR abdomino-pelvis or pelvis in children from Oct 2014-Dec 2016 was done. Only exams with 3D T2 FSE sequence performed on a single scanner type were selected. Patients with history of post appendectomy, studies in which field of view did not include ileocecal valve, with technical and protocol errors, or with fat-saturated acquisition were excluded...
July 19, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28685263/scoring-system-for-differentiating-perforated-and-non-perforated-pediatric-appendicitis
#16
Einat Blumfield, Daniel Yang, Joshua Grossman
OBJECTIVES: Appendicitis is the most common indication for emergency pediatric surgery and its most significant complication is perforation. Perforated appendicitis (PA) may be managed conservatively, whereas non-perforated appendicitis (NP) is managed surgically. Recent studies have shown that ultrasound (US) is effective for differentiating between PA and NP, and does not expose pediatric patients to ionizing radiation. The purpose of this study is to enhance the accuracy of differentiation with a novel scoring system based on clinical, laboratory, and US findings...
July 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28674923/pulmonary-hemorrhage-in-acute-heroin-overdose-a-report-of-two-cases
#17
Gerald J Riccardello, Pierre D Maldjian
Diffuse alveolar hemorrhage (DAH) is a clinical syndrome characterized by pulmonary hemorrhage, respiratory failure, and high early mortality rates. DAH typically appears on chest radiographs as bilateral parenchymal consolidations. To our knowledge, pulmonary hemorrhage associated with heroin overdose has not been reported. We report the clinical and radiographic findings in two cases of acute DAH following heroin overdose. We speculate that an adulterating agent may be the underlying etiology in these cases...
July 4, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28664320/usefulness-of-diffusion-weighted-imaging-for-diagnosis-of-adrenal-ischemia-during-pregnancy-a-preliminary-report
#18
Sébastien Molière, Adrien Gaudineau, Antoine Koch, Thomas Leroi, Marie-Noelle Roedlich, Francis Veillon
This case report aims to illustrate the clinical usefulness of diffusion-weighted imaging for diagnosis of bilateral adrenal ischemia during pregnancy. We also provide a retrospective analysis of adrenal gland diffusion data in a control group of 12 pregnant women with no adrenal dysfunction, to assess the normal range of apparent diffusion coefficient of adrenal gland during pregnancy.
June 29, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28660527/core-curriculum-illustration-abdominal-wood-impalement-injury-from-motor-vehicle-collision
#19
Shaimaa Abdelhassib Fadl, Annie P Ehlers, Gabriel Wallace, Joel A Gross
This is the 42nd installment of a series that will highlight one case per publication issue from the bank of cases available online as part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for Study online at http://www.erad.org/page/CCIP_TOC .
June 28, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28656329/sacral-fractures-classification-and-management
#20
REVIEW
Nicholas M Beckmann, Naga R Chinapuvvula
Sacral fractures are a common component of pelvic fracture patterns and are an increasingly diagnosed injury both due to increased utilization of CT in trauma evaluation as well as an increasing rate of sacral fragility fractures as a result of an increase in general population age. Innovations in minimally invasive surgical techniques have also resulted in an increasing number of sacral fractures undergoing surgical management. It is vital that physicians practicing in an emergency setting are aware of the injury patterns and management of this increasingly injured and treated component of the bony pelvis...
June 27, 2017: Emergency Radiology
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