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https://www.readbyqxmd.com/read/28217025/the-imaging-findings-of-erdheim-chester-disease-a-multimodality-approach-to-diagnosis-and-staging
#1
Patrick Martineau, Matthieu Pelletier-Galarneau, Wanzhen Zeng
Erdheim-Chester disease (ECD) is a rare, non-Langerhans histiocytic disorder. The most common manifestations consist of polyostotic sclerotic lesions with the majority of cases also demonstrating soft tissue involvement of the sinuses, retroperitoneum, large vessels, heart, lungs, and central nervous system. Nuclear medicine can play an important role in assessing the extent of the disease with bone scintigraphy and fluorodeoxyglucose (FDG)-positron emission tomography (PET). We present the case of a middle-aged female who initially presented with tooth pain...
January 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28185760/why-we-need-a-higher-suspicion-index-of-urolithiasis-in-children
#2
REVIEW
Pierluigi Marzuillo, Stefano Guarino, Andrea Apicella, Angela La Manna, Cesare Polito
BACKGROUND: Most children with symptoms of urolithiasis and urinary solute excretion abnormalities leading to stone formation have no calculi revealed by ultrasound or X-ray plain film ("occult urolithiasis"). This covers a large group of children presenting with common symptoms such as abdominal pain, hematuria, and dysuria, often faced by general practitioners and pediatricians. However, half or more of children with urolithiasis could present with abdominal/flank pain without specific urinary symptoms...
January 29, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28181076/visual-evoked-potential-in-rcs-rats-with-okayama-university-type-retinal-prosthesis-ourep%C3%A2-implantation
#3
Alamusi, Toshihiko Matsuo, Osamu Hosoya, Tetsuya Uchida
Photoelectric dye-coupled polyethylene film, designated Okayama University type-retinal prosthesis or OUReP™, generates light-evoked surface electric potentials and stimulates neurons. The dye-coupled films or plain films were implanted subretinally in both eyes of 10 Royal College of Surgeons rats with hereditary retinal dystrophy at the age of 6 weeks. Visual evoked potentials in response to monocular flashing light stimuli were recorded from cranially-fixed electrodes, 4 weeks and 8 weeks after the implantation...
February 8, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28166168/evaluation-of-intra-articular-fracture-extension-following-gunshot-wounds-to-the-lower-extremity-plain-radiographs-versus-computer-tomography
#4
John S Hwang, Kenneth L Koury, George Gorgy, Michael S Sirkin, Mark C Reilly, Valdis Lelkes, Mark R Adams
OBJECTIVE: This study was to compare the use of computer tomography to plain radiographs for the evaluation of intra-articular extension of long bone fractures in the lower extremity following low-energy gunshot wounds. DESIGN: Retrospective chart and radiographic review SETTING:: Level 1 Trauma CenterPatients/Participants: Data was collected from a single institution from 2000 to 2014. Inclusion criteria consisted of patients aged greater than 17 years, low-velocity gunshot injuries causing fracture of the femur or tibia, plain radiographs with adequate films and CT imaging of the fracture...
January 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28155509/skin-delivery-of-epigallocatechin-3-gallate-egcg-and-hyaluronic-acid-loaded-nano-transfersomes-for-antioxidant-and-anti-aging-effects-in-uv-radiation-induced-skin-damage
#5
Kiran S Avadhani, Jyothsna Manikkath, Mradul Tiwari, Misra Chandrasekhar, Ashok Godavarthi, Shimoga M Vidya, Raghu C Hariharapura, Guruprasad Kalthur, Nayanabhirama Udupa, Srinivas Mutalik
The present work attempts to develop and statistically optimize transfersomes containing EGCG and hyaluronic acid to synergize the UV radiation-protective ability of both compounds, along with imparting antioxidant and anti-aging effects. Transfersomes were prepared by thin film hydration technique, using soy phosphatidylcholine and sodium cholate, combined with high-pressure homogenization. They were characterized with respect to size, polydispersity index, zeta potential, morphology, entrapment efficiency, Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD), in vitro antioxidant activity and ex vivo skin permeation studies...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28127330/diagnostic-efficacy-of-digital-waters-and-caldwell-s-radiographic-views-for-evaluation-of-sinonasal-area
#6
Hamed Ebrahimnejad, Seyed Hosein Hoseini Zarch, Adineh Javadian Langaroodi
OBJECTIVES: New digital two-dimensional imaging systems are considered as an easily accessible modality for sinonasal evaluation. The aim of this study was to assess the diagnostic efficacy of digital Waters' and Caldwell's radiographic views for evaluation of sinonasal area. MATERIALS AND METHODS: A total of 273 patients fulfilling the inclusion criteria were enrolled in this descriptive-analytical study. Complete opacification or mucosal thickening of frontal, ethmoidal and maxillary sinuses and nasal septum deviation were assessed on digital Waters and Caldwell images...
September 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28126673/niosome-based-hydrogel-of-resveratrol-for-topical-applications-an-effective-therapy-for-pain-related-disorder-s
#7
Poonam Negi, Madhur Aggarwal, Gajanand Sharma, Charul Rathore, Gaurav Sharma, Bhupinder Singh, O P Katare
The present work endeavors for development and evaluation of resveratrol loaded niosomal hydrogel system for its anti-inflammatory action. Niosomes were prepared by thin film hydration and ether injection methods employing Span 80 as a surfactant at three different levels. Best optimized formulation was selected on the basis of entrapment efficiency (% EE), mean particle size, sedimentation volume, and microscopy. The vesicular and spherical nature of the niosomes was confirmed by optical microscopy and transmission electron microscope (TEM)...
January 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28123616/simplified-point-of-care-ultrasound-protocol-to-confirm-central-venous-catheter-placement-a-prospective-study
#8
Sean P Wilson, Samer Assaf, Shadi Lahham, Mohammad Subeh, Alan Chiem, Craig Anderson, Samantha Shwe, Ryan Nguyen, John C Fox
BACKGROUND: The current standard for confirmation of correct supra-diaphragmatic central venous catheter (CVC) placement is with plain film chest radiography (CXR). We hypothesized that a simple point-of-care ultrasound (POCUS) protocol could effectively confirm placement and reduce time to confirmation. METHODS: We prospectively enrolled a convenience sample of patients in the emergency department and intensive care unit who required CVC placement. Correct positioning was considered if turbulent flow was visualized in the right atrium on sub-xiphoid, parasternal or apical cardiac ultrasound after injecting 5 cc of sterile, non-agitated, normal saline through the CVC...
2017: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28119013/bedside-sonography-for-the-diagnosis-of-esophageal-food-impaction
#9
Jennifer Singleton, Jesse M Schafer, Jeremiah M Hinson, Erin M Kane, Sherieka Wright, Beatrice Hoffmann
BACKGROUND: Esophageal foreign body (EFB) and impaction are common gastrointestinal emergencies. Detection with standard imaging can be challenging. Computed tomography is a commonly used non-invasive imaging modality, but is not 100% sensitive and not always feasible. Sensitivity of plain film x-ray varies widely and the addition of a barium swallow can obscure evaluation by subsequent esophagogastroduodenoscopy (EGD). Use of emergency ultrasound (EUS) for detection of EFB in adults has not been previously studied...
January 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28099351/effectiveness-of-a-radiation-reduction-campaign-targeting-children-with-gastrointestinal-symptoms-in-a-pediatric-emergency-department
#10
Hyuksool Kwon, Jae Yun Jung
Children feature more active cellular division and a smaller body area, which leads to a greater radiation dosage accumulation. We tried to reduce radiation hazards by reducing unnecessary radiological studies in a pediatric emergency department (PED) through the radiation reduction campaign.Our campaign involved a reduction from 2 (erect and supine) to 1 ordered abdominal plain radiograph (erect). This quasi-experimental, uncontrolled before-and-after study aimed to evaluate the campaign effect. We compared simple radiograph orders, length of stay (LOS) in PED, and return visit (RV) to PED between the before period (June 1, 2011-May 30, 2014) and the after period (June 1, 2014-May 30, 2015)...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28096928/spontaneous-uretero-sigmoid-fistula-secondary-to-calculus
#11
Ines Marzouk, Makram Moussa, Lotfi Saadallah, Sami Bouchoucha, Lotfi Hendaoui
A 25-year-old man was referred to the urology department after a subacute history of left back pain, burning micturition associated with pneumaturia and fecaluria. Ultrasonography was performed showing hydronephrosis, and plain film radiography demonstrated a long vertical left pelvic calculi. Uro-computed tomography (CT) combined with a water enema CT showed a 10 cm long calculus with the cranial extremity fistulating the sigmoidal wall. Surgical treatment included left nephroureterectomy and sigmoidectomy with a colorectal anastomosis...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28093625/ultralow-dose-ct-for-pulmonary-nodule-detection-with-chest-x-ray-equivalent-dose-a-prospective-intra-individual-comparative-study
#12
Michael Messerli, Thomas Kluckert, Meinhard Knitel, Stephan Wälti, Lotus Desbiolles, Fabian Rengier, René Warschkow, Ralf W Bauer, Hatem Alkadhi, Sebastian Leschka, Simon Wildermuth
PURPOSE: To prospectively evaluate the accuracy of ultralow radiation dose CT of the chest with tin filtration at 100 kV for pulmonary nodule detection. MATERIALS AND METHODS: 202 consecutive patients undergoing clinically indicated chest CT (standard dose, 1.8 ± 0.7 mSv) were prospectively included and additionally scanned with an ultralow dose protocol (0.13 ± 0.01 mSv). Standard dose CT was read in consensus by two board-certified radiologists to determine the presence of lung nodules and served as standard of reference (SOR)...
January 16, 2017: European Radiology
https://www.readbyqxmd.com/read/28081128/radiation-exposure-from-diagnostic-imaging-in-a-cohort-of-pediatric-transplant-recipients
#13
Alexandra Seal, Michael Hawkes, Ravi Bhargava, Michelle Noga, Jutta Preiksaitis, Curtis Mabilangan, Joan Robinson
Recipients of solid organ transplants (SOT) have extensive diagnostic imaging (DI). The purpose of this study was to quantify this exposure. Children from northern Alberta with SOTs at Stollery Children's Hospital, Edmonton, Alberta January 1, 2006, to July 31, 2012, were included. Effective doses of radiation were estimated using published norms for DI performed post-transplant up to October 16, 2014. The 54 eligible children had 6215 DI studies (5628 plain films, 293 computerized tomography (CT) scans, 149 positron emission topography (PET) -CT scans, 47 nuclear medicine scans and 98 cardiac catheterizations)...
2017: PloS One
https://www.readbyqxmd.com/read/28056436/one-stage-posterior-surgical-management-of-lumbosacral-spinal-tuberculosis-with-nonstructural-autograft
#14
Jia-Ming Liu, Yang Zhou, Ai-Fen Peng, Xuan-Yin Chen, Wen-Zhao Chen, Xin-Hua Long, Shan-Hu Huang, Zhi-Li Liu
OBJECTIVE: Lumbosacral spinal tuberculosis is rare in current population. Previous studies have reported effective outcomes about anterior, antero-posterior and posterior surgery for treating tuberculosis of lumbosacral region. However, the bone grafts used in these studies are mainly structural bone and mesh cage. The purpose of this study is to evaluate the efficacy and safety of nonstructural autograft in the surgical treatment of lumbosacral tuberculosis by one-stage posterior procedure...
February 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27957642/radiology-response-in-the-emergency-department-during-a-mass-casualty-incident-a-retrospective-study-of-the-two-terrorist-attacks-on-22-july-2011-in-norway
#15
Victoria Solveig Young, Heidi B Eggesbø, Christine Gaarder, Pål Aksel Næss, Tone Enden
OBJECTIVES: To describe the use of radiology in the emergency department (ED) in a trauma centre during a mass casualty incident, using a minimum acceptable care (MAC) strategy in which CT was restricted to potentially severe head injuries. METHODS: We retrospectively studied the initial use of imaging on patients triaged to the trauma centre following the twin terrorist attacks in Norway on 22 July 2011. RESULTS: Nine patients from the explosion and 15 from the shooting were included...
December 12, 2016: European Radiology
https://www.readbyqxmd.com/read/27956194/enhancement-of-8-methoxypsoralen-topical-delivery-via-nanosized-niosomal-vesicles-formulation-development-in-vitro-and-in-vivo-evaluation-of-skin-deposition
#16
Ahmed Alaa Kassem, Sameh Hosam Abd El-Alim, Marwa Hasanein Asfour
The aim of the present study is to enhance the skin penetration and deposition of 8-methoxypsoraln (8-MOP) via niosomal vesicles to increase its local efficacy and safety. 8-MOP niosomes were prepared by the thin film hydration method using Span 60 or Span 40 along with cholesterol at five different molar ratios. The obtained vesicles revealed high entrapment efficiencies (83.04-89.90%) with nanometric vesicle diameters (111.1-198.8nm) of monodisperse distribution (PDI=0.145-0.216), zeta potential values <-48...
December 9, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27920870/pyle-disease-metaphyseal-dysplasia-presenting-in-two-adult-sisters
#17
Diego Ximenes Soares, Amália Mapurunga Almeida, André Rodrigues Façanha Barreto, Ilze Jucá Alencar E Silva, José Daniel Vieira de Castro, Francisco José Magalhães Pinto, Daniel Aguiar Dias, Lindenberg Barbosa Aguiar
Pyle's disease is an extremely rare skeletal disorder characterized by a benign course and an autosomal recessive genetic pattern of inheritance. Its causal mutation is still unknown. In the medical literature, fewer than 30 cases have been described to date. We report the case of two female siblings, daughters of consanguineous parents, referred to the radiology department complaining of genu valgum. Laboratory tests showed no other relevant findings. Conventional radiography plain films revealed Erlenmeyer flask deformity in bilateral femorotibial metaphyses, metaphyseal flaring of long bones, and mild sclerosis of the skull base...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27913997/mega-cecum-an-unrecognized-cause-of-symptoms-in-some-female-patients-with-uro-gynecological-symptoms-and-severe-slow-transit-constipation
#18
William Y Chey, Vincent Chang, Cameron M Hoellrich, Kae Yol Lee, Maxine Lubkin, Deborah Corcoran, Ta-Min Chang, William D Chey
BACKGROUND: A subset of female patients with severe constipation report overlapping uro-gynecological symptoms which have been attributed to visceral hypersensitivity. AIMS: To study colon morphology and motor function in female patients with medically refractory chronic constipation with or without uro-gynecological symptoms and to assess clinical outcomes following laparoscopic ileo-proctostomy. METHODS: Colon anatomy and cecal emptying time were assessed with plain films and fluoroscopy following a standardized test meal mixed with barium...
December 2, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27884644/evaluating-augmentation-with-calcium-phosphate-cement-chronos-inject-for-bone-defects-after-internal-fixation-of-proximal-tibial-fractures-a-prospective-multicenter-observational-study
#19
C W Oh, K C Park, Y H Jo
INTRODUCTION: Managing subchondral bone defects in proximal tibia fractures after plateau reduction is an important consideration. ChronOS Inject is a recently developed calcium phosphate bone substitute that shows relatively fast osteointegration. HYPOTHESIS: Using chronOS Inject during internal fixation of proximal tibial fractures provides a satisfactory treatment option that is both clinically and radiologically safe. PATIENTS AND METHODS: Patients enrolled in this study were treated with chronOS Inject bone void filler, during internal fixation of proximal tibial fractures...
November 21, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27865172/settling-regimen-transitions-quantify-solid-separation-limitations-through-correlation-with-floc-size-and-shape
#20
William A S K Mancell-Egala, Chunyang Su, Imre Takacs, John T Novak, David J Kinnear, Sudhir N Murthy, Haydee De Clippeleir
This study monitored three different activated sludge systems from the Blue Plains Advanced Wastewater Plant for a 1 year period to explore the relationship between effluent quality and activated sludge settling and flocculation behavior. Hindered settling rates (ISV) and sludge volume index (SVI) measurements were collected weekly. Novel metrics based on the solids concentration at which the transition between settling regimens occurred were also collected weekly. The transitional metrics were Threshold of Flocculation (TOF), and Limit of Stokesian Settling (LOSS)...
February 1, 2017: Water Research
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