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Emergency Radiology

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https://www.readbyqxmd.com/read/27920846/three-dimensional-computed-tomography-rendering-of-pedunculated-colon-polyp-new-clapper-bell-sign-pedunculated-polyp-at-3d-computed-tomography
#1
Marco Di Serafino, Rosa Severino, Fabia Laviani, Domenico Maroscia
The incidental detection of a tubulovillous adenoma at a contrast-enhanced computed tomography (CECT) with nondedicated protocol, performed in emergency conditions, is an uncommon finding. We report a case of a woman presenting with a subocclusive episode. A CECT scan was performed, and a pedunculated polyp could be appreciated at 3D-reconstruction images. A particular depiction of pedunculus of the polypoid lesion, resemble a clapper-bell, could help to define the vegetating lesion at the volume-rendering reconstruction images...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27918576/respect-ed-rates-of-pulmonary-emboli-pe-and-sub-segmental-pe-with-modern-computed-tomographic-pulmonary-angiograms-in-emergency-departments-a-multi-center-observational-study-finds-significant-yield-variation-uncorrelated-with-use-or-small-pe-rates
#2
David Mountain, Gerben Keijzers, Kevin Chu, Anthony Joseph, Catherine Read, Gabriel Blecher, Jeremy Furyk, Chrianna Bharat, Karthik Velusamy, Andrew Munro, Kylie Baker, Frances Kinnear, Ahses Mukherjee, Gina Watkins, Paul Buntine, Georgia Livesay, Daniel Fatovich
INTRODUCTION: Overuse of CT Pulmonary Angiograms (CTPA) for diagnosing pulmonary embolism (PE), particularly in Emergency Departments (ED), is considered problematic. Marked variations in positive CTPA rates are reported, with American 4-10% yields driving most concerns. Higher resolution CTPA may increase sub-segmental PE (SSPE) diagnoses, which may be up to 40% false positive. Excessive use and false positives could increase harm vs. benefit. These issues have not been systematically examined outside America...
2016: PloS One
https://www.readbyqxmd.com/read/27913138/compared-in-vivo-efficiency-of-nanoemulsions-unloaded-and-loaded-with-calixarene-and-soapy-water-in-the-treatment-of-superficial-wounds-contaminated-by-uranium
#3
Sophie Grivès, Guillaume Phan, Céline Bouvier-Capely, David Suhard, François Rebière, Michelle Agarande, Elias Fattal
No emergency decontamination treatment is currently available in the case of radiological skin contamination by uranium compounds. First responders in the workplace or during an industrial nuclear accident must be able to treat internal contamination through skin. For this purpose, a calixarene nanoemulsion was developed for the treatment of intact skin or superficial wounds contaminated by uranium, and the decontamination efficiency of this nanoemulsion was investigated in vitro and ex vivo. The present work addresses the in vivo decontamination efficiency of this nanoemulsion, using a rat model...
November 29, 2016: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27913054/development-of-a-multi-stakeholder-partnership-to-improve-access-to-and-delivery-of-neurosurgical-services-in-ontario
#4
Sunjay Sharma, Des Bohn, Iphigenia Mikroyiannakis, Joslyn Trowbridge, Donna Thompson, Robert Bell, James Rutka
Neurosurgical emergencies require expedient access to definitive care at neurosurgical centers. Neurosurgical resources in province of Ontario are highly centralized, and subsequently, most patients with neurosurgical emergencies will present to non-neurosurgical centers. From 2000-2010, metrics demonstrated the organization of neurosurgical resources might not be optimal. In response to this a program entitled Provincial Neurosurgery Ontario (PNO)- was formed to address these issues in cooperation with neurosurgeons, hospitals and the provincial government...
November 22, 2016: Health Policy
https://www.readbyqxmd.com/read/27909654/bone-substitutes-and-expanders-in-spine-surgery-a-review-of-their-fusion-efficacies
#5
Abhijeet Kadam, Paul W Millhouse, Christopher K Kepler, Kris E Radcliff, Michael G Fehlings, Michael E Janssen, Rick C Sasso, James J Benedict, Alexander R Vaccaro
STUDY DESIGN: A narrative review of literature. OBJECTIVE: This manuscript intends to provide a review of clinically relevant bone substitutes and bone expanders for spinal surgery in terms of efficacy and associated clinical outcomes, as reported in contemporary spine literature. SUMMARY OF BACKGROUND DATA: Ever since the introduction of allograft as a substitute for autologous bone in spinal surgery, a sea of literature has surfaced, evaluating both established and newly emerging fusion alternatives...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27909181/emergency-radiology-coffee-case-book-case-oriented-fast-focused-effective-education
#6
E Edmund Kim
No abstract text is available yet for this article.
December 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27909158/off-site-emergency-planning-at-uk-nuclear-licensed-sites
#7
Paul Leonard, Gareth Thomas
Nuclear emergency planning arrangements in the UK are continually kept under review. This work proposes to outline how experience from nuclear exercises and undertaking emergency response duties can be based on radiological knowledge of specific sites and utilised in the future. In 2014, the UK regulator, the Office for Nuclear Regulation (ONR) revised their principles for the determination of off-site emergency planning areas around nuclear sites where predetermined countermeasures and other protection measures are applied to protect those people who may be affected by a radiation emergency...
December 1, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27908513/small-bowel-imaging-computed-tomography-enterography-magnetic-resonance-enterography-angiography-and-nuclear-medicine
#8
REVIEW
Jeff L Fidler, Ajit H Goenka, Chad J Fleming, James C Andrews
Radiology examinations play a major role in the diagnosis, management, and surveillance of small bowel diseases and are complementary to endoscopic techniques. Computed tomography enterography and magnetic resonance enterography are the cross-sectional imaging studies of choice for many small bowel diseases. Angiography still plays an important role for catheter-directed therapies. With the emergence of hybrid imaging techniques, radionuclide imaging has shown promise for the evaluation of small bowel bleeding and Crohn disease and may play a larger role in the future...
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27904004/delayed-diagnosis-of-blunt-carotid-trauma-in-a-seat-belt-syndrome-with-associated-abdominal-wall-injury-a-case-report
#9
Savino Occhionorelli, Dario Andreotti, Daniela Tartarini, Lorenzo Cappellari, Rocco Stano, Lucia Morganti, Giorgio Vasquez
: The aim of this case report is to be aware of occult carotid lesions in thoracic- abdominal trauma because, carotid artery injury consequent to blunt trauma is rare, affecting less than 1% of patients as reported in literature. A 45-years-old female, involved in a traffic accident, arrived to Emergency Room hemodynamically stable, with a Glasgow Coma Scale of 15, complaining abdominal pain, without any neurological signs. She underwent Computed Tomography (CT) scan that showed a complete disruption of left abdominal wall muscles, associated with massive bowel loops herniation...
November 28, 2016: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/27902675/infected-congenital-epicardial-cyst-presenting-as-acute-abdomen
#10
Timothy Dribin, Matthew D Files, Erin R Rudzinski, Ron Kaplan, Kimberly P Stone
A previously healthy 3-year-old boy presented to the emergency department with abdominal pain, fever, and emesis. Laboratory and radiologic evaluation for causes of acute abdomen were negative; however, review of the abdominal x-ray demonstrated cardiomegaly with the subsequent diagnosis of pericardial cyst by echocardiogram and computed tomography. The patient underwent surgical decompression and attempted removal of the cystic structure revealing that the cyst originated from the epicardium. His abdominal pain and fever resolved postoperatively and he completed a 3-week course of ceftriaxone for treatment of Propionibacterium acnes infected congenital epicardial cyst...
December 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27902604/the-use-of-delta-neutrophil-index-and-myeloperoxidase-index-as-diagnostic-predictors-of-strangulated-mechanical-bowel-obstruction-in-the-emergency-department
#11
Yong Sung Cha, Kang Hyun Lee, Jong Wook Lee, Eun Hee Choi, Hyung Il Kim, Oh Hyun Kim, Kyoung Chul Cha, Hyun Kim, Sung Oh Hwang
Early detection of bowel strangulation is difficult in patients with mechanical bowel obstruction (MBO). There have been no previous reports of predicting strangulation in MBO cases using the delta neutrophil index (DNI), which is a measure of the proportion of circulating immature granulocytes, or the myeloperoxidase index (MPXI), which is a measure of serum myeloperoxidase level. Therefore, we evaluated differences in initial DNI and MPXI upon presentation at the emergency department (ED) according to strangulation presence in MBO patients...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27899034/ionizing-radiation-sensitivity-of-the-ocular-lens-and-its-dose-rate-dependence
#12
Nobuyuki Hamada
PURPOSE: In 2011, the International Commission on Radiological Protection reduced the threshold for the lens effects of low linear energy transfer (LET) radiation. On one hand, the revised threshold of 0.5 Gy is much lower than previously recommended thresholds, but mechanisms behind high radiosensitivity remain incompletely understood. On the other hand, such threshold is independent of dose rate, in contrast to previously recommended separate thresholds each for single and fractionated/protracted exposures...
November 30, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27898354/vasitis-mimicking-an-amyand-s-hernia-a-case-report
#13
Juan Manuel Romero Marcos, Santiago Baena Bradaschia, José María Muñoz Pérez, José Andrés Cifuentes Ródenas
INTRODUCTION: Amyand's hernia is an inguinal hernia containing the caecal appendix. It is usually an intraoperative finding, although it can be diagnosed preoperatively with radiologic examinations, which would show a tubular structure inside the inguinal canal. PRESENTATION OF CASE: A male patient presented to the emergency department complaining of abdominal pain in the right lower quadrant. He had been orchidectomized during his childhood due to cryptorchidism, and had been under antibiotic treatment a week before due to a suspected gonorrhoea...
November 22, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27895320/clinical-experience-with-pancreas-graft-rescue-from-severe-thrombus-after-simultaneous-pancreas-kidney-transplantation-by-early-detection-with-doppler-ultrasound-a-case-report
#14
Mitsunobu Takeda, Daisaku Yamada, Hidetoshi Eguchi, Tadafumi Asaoka, Takehiro Noda, Hiroshi Wada, Kunihito Goto, Koichi Kawamoto, Yutaka Takeda, Masahiro Tanemura, Toshinori Ito, Masaki Mori, Yuichiro Doki
BACKGROUND Graft thrombosis is the main cause of early graft loss after transplantation. In Japan, pancreases available for transplantation are frequently from marginal donors due to diverse backgrounds in the population. However, marginal tissues increase the risk of early thrombosis in the graft. CASE REPORT Here, we describe a 41-year-old woman with type 1 diabetes mellitus who underwent a simultaneous pancreas-kidney transplantation. The pancreas was retrieved from a 34-year-old man who had experienced severe hemodynamic instability...
November 29, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27893457/core-ethical-values-of-radiological-protection-applied-to-fukushima-case-reflecting-common-morality-and-cultural-diversities
#15
Chieko Kurihara, Kunwoo Cho, Richard E Toohey
The International Commission on Radiological Protection (ICRP) has established Task Group 94 (TG94) to develop a publication to clarify the ethical foundations of the radiological protection system it recommends. This TG identified four core ethical values which structure the system: beneficence and non-maleficence, prudence, justice, and dignity. Since the ICRP is an international organization, its recommendations and guidance should be globally applicable and acceptable. Therefore, first this paper presents the basic principles of the ICRP radiological protection system and its core ethical values, along with a reflection on the variation of these values in Western and Eastern cultural traditions...
November 28, 2016: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/27891553/core-curriculum-illustration-dural-venous-sinus-thrombosis
#16
Sibi Rajendran, Alex Pereira, Morgan Eckerd, Barbara Pawley
This is the 25th installment of a series that will highlight one case per publication issue from the bank of cases available online as a 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.aseronline.org/curriculum/toc.htm .
November 28, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27891287/sapovirus-gastroenteritis-in-young-children-presenting-as-distal-small-bowel-obstruction-a-report-of-2-cases-and-literature-review
#17
Lynn Model, Cathy Anne Burnweit
Abdominal pain and distention in children are commonly encountered problems in the pediatric emergency room. The majority of complaints are found to be due to benign entities such as gastroenteritis and constipation. What confounds these diagnoses is that young children often deliver a challenging and unreliable exam. Thus, it often becomes exceedingly problematic to differentiate these benign conditions from surgical conditions requiring prompt attention including small or large bowel obstruction, volvulus, and appendicitis...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27888950/social-media-and-the-patient-experience
#18
C Matthew Hawkins, Andrew J DeLaO, Colin Hung
As patients continue to turn to online resources for health care information to guide their care decisions, it is becoming increasingly important for radiologists to engage with patients online via social media platforms. There are many ways physicians can use social media to provide patients with valuable information and improve the overall patient experience. By optimizing online discoverability, curating radiology content, engaging with patient communities, and producing mineable social media content, radiologists can emerge as thought leaders in this new form of patient-centered communication and information exchange...
December 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27888429/inappropriateness-of-diagnostic-imaging-examinations-in-the-inpatient-setting-a-case-study-research
#19
Ettore Squillaci, Francesca Bolacchi, Jacopo Scaggiante, Francesca Ricci, Luca Pugliese, Alberto Bergamini, Francesco Garaci, Roberto Floris
OBJECTIVE: The purpose of our study was to audit the clinical appropriateness of the prescriptions of whole body CT (WB-CT), PET-CT and chest X-rays (CXRs) performed at Tor Vergata University Hospital in the inpatient setting. MATERIALS AND METHODS: WB-CT, PET-CT and CXRs examinations were retrospectively analysed in the period between January and December 2014. CXR examinations were divided into bedside CXRs and traditional CXRs. The appropriateness of the examinations was defined according the American College of Radiology Appropriateness Criteria...
November 25, 2016: La Radiologia Medica
https://www.readbyqxmd.com/read/27885945/clinical-imaging-and-immunohistochemical-characteristics-of-focal-cortical-dysplasia-type-ii-extratemporal-epilepsies-in-children-analyses-of-an-institutional-case-series
#20
Friederike Knerlich-Lukoschus, Mary B Connolly, Glenda Hendson, Paul Steinbok, Christopher Dunham
OBJECTIVE Focal cortical dysplasia (FCD) Type II is divided into 2 subgroups based on the absence (IIA) or presence (IIB) of balloon cells. In particular, extratemporal FCD Type IIA and IIB is not completely understood in terms of clinical, imaging, biological, and neuropathological differences. The aim of the authors was to analyze distinctions between these 2 formal entities and address clinical, MRI, and immunohistochemical features of extratemporal epilepsies in children. METHODS Cases formerly classified as Palmini FCD Type II nontemporal epilepsies were identified through the prospectively maintained epilepsy database at the British Columbia Children's Hospital in Vancouver, Canada...
November 25, 2016: Journal of Neurosurgery. Pediatrics
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