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Miyamoto Yukio Y 1 Department of Diagnostic Imaging, Jikei University Hospital, 3-19-18 Nishi-Shimbashi, Minato-ku, Tokyo 105-8471, - - 2014
OBJECTIVE. The objective of our study was to compare the efficacy of contrast-enhanced ultrasound (CEUS) using the ultrasound contrast agent Sonazoid (perflubutane) with unenhanced ultrasound and supplementary contrast-enhanced MRI in the differential diagnosis (benign vs malignant) of focal breast lesions. The safety of Sonazoid was also assessed in this study. ...
Mehrizi Mehyar M Indiana University School of Medicine, Departments of - - 2014
Use of older contrast agents during radiologic imaging in patients with myasthenia gravis (MG) has been associated with increased myasthenic symptoms and adverse drug reactions (ADRs). The effects of newer contrast agents have not been determined. Retrospective review of imaging safety in MG was conducted. 354 imaging studies were analyzed. ...
Taylor-Brown F F Frances Taylor-Brown, The Royal Veterinary College, Hawkshead Lane, North Mymms, Hertfordshire, AL9 7TA, United Kingdom, Phone: +44 1707 666366, Fax: +44 1707 689384, E-mail: - - 2014
Objectives: To document the use of and to estimate the accuracy of magnetic resonance (MR) imaging for detection of late meniscal tears in dogs with cranial cruciate ligament injury treated with tibial tuberosity advancement (TTA). Methods: Medical records of dogs that had TTA followed by stifle MR imaging for suspected ...
Kostakoglu Lale L Department of Radiology, Icahn School of Medicine at Mount Sinai, One Gustave Levy Place, Box 1141, New York, NY, 10029, USA, - - 2014
The management approach in Hodgkin's (HL) and high-grade non-Hodgkin's lymphomas (NHL) has shifted towards reducing the toxicity and long-term adverse effects associated with treatment while maintaining favorable outcomes in low-risk patients. The success of an individualized treatment strategy depends largely on accurate diagnostic tests both at staging and during therapy. ...
Yoshida Koichi K Department of Neurological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, - - 2014
We describe a fatal case of glioblastoma multiforme that was induced by Gamma Knife radiosurgery (GKS; Elekta AB, Stockholm, Sweden) for an arteriovenous malformation (AVM). A 4-year-old girl presented with repeated convulsions. Imaging studies revealed an AVM located in the right thalamus. One year after initial symptoms, GKS was performed ...
Penzkofer Tobias T Department of Diagnostic and Interventional Radiology, RWTH Aachen University Hospital, Pauwelsstr. 30, Aachen, Germany, - - 2014
This study was designed to evaluate CO2 computed tomography angiography (CO2-CTA) of the iliac and lower limb arteries in patients with contraindications for iodinated contrast agent (ICA). Five patients with contraindications for ICA were examined using CO2-fluoroscopic enhanced angiography (CO2-FLA) and CO2-CTA using a high-pitch examination protocol. Objective (vessel diameter) ...
Wu Tai-Wei TW Center for Fetal and Neonatal Medicine and the USC Division of Neonatal Medicine, Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, USA, - - 2014
Therapeutic hypothermia has become standard treatment for neonatal hypoxic-ischemic encephalopathy (HIE), with brain MRI commonly performed after the child has been rewarmed. However, early imaging during hypothermia might provide information important in designing clinical trials that refine and personalize therapeutic hypothermia. We tested a protocol to ensure safety and maintenance ...
Choi Keum-Ju - - 2013
Whether right ventricular (RV) dilation on computerized tomography (RVD-CT) is a useful predictor for clinical outcomes of acute pulmonary embolism (PE) remains debatable. Furthermore, data regarding the best combination of prognostic markers for predicting the adverse outcome of PE are limited. The authors retrospectively reviewed 657 consecutive patients hospitalized at ...
van Nierop M M Department of Psychiatry and Psychology, School for Mental Health and Neuroscience, EURON, Maastricht University Medical Centre, Maastricht, the - - 2013
Based on theoretical considerations and animal studies, mediation of 'social defeat' (SD) in the association between childhood trauma (CT) and psychosis was investigated. Trained interviewers administered a structured interview assessing CT, psychotic experiences and other psychopathology in 6646 participants in the second Netherlands Mental Health Survey and Incidence Study (NEMESIS-2). ...
Azzouz Manal - - 2013
Prospective evaluation of frequency of late and very late adverse events in patients undergoing enhanced or unenhanced magnetic resonance imaging (MRI) or computed tomography (CT). The imaging procedure was performed according to the protocols of the department. All patients were contacted three days after their imaging procedure for occurrence of ...
Singh Sarabjeet - - 2013
Revolutionary developments in multidetector-row computed tomography (CT) scanner technology offer several advantages for imaging of cardiothoracic disorders. As a result, expanding applications of CT now account for >85 million CT examinations annually in the United States alone. Given the large number of CT examinations performed, concerns over increase in population-based ...
Das Indrajeet - - 2013
Right heart chamber enlargement can be caused by a diverse and heterogeneous group of conditions with highly varied clinical symptoms and signs. An appreciation of the pathophysiology, causes, and imaging features of right heart enlargement is paramount in recognizing and potentially ameliorating the development of right heart dysfunction or adverse ...
Thomas Marianna S - - 2013
Adverse reaction to metal debris is a relatively recently described and often a silent complication of metal-on-metal (MOM) total hip replacements (THR). The Norfolk & Norwich University Hospital has been performing metal artefact reduction (MARS) MRI for 8 years in a variety of different types of MOM THR. The aims of ...
Rosenkrantz Andrew B - - 2013
OBJECTIVE. The purpose of this study was to compare findings at nongaussian diffusional kurtosis imaging and conventional diffusion-weighted MRI as markers of adverse pathologic outcomes among prostate cancer patients who are active surveillance candidates and choose to undergo prostatectomy. MATERIALS AND METHODS. Fifty-eight active surveillance candidates (prostate-specific antigen concentration, < ...
de Castro-Afonso Luis Henrique - - 2013
BACKGROUND: CAROTID ARTERY STENTING (CAS) HAS BECOME AN ALTERNATIVE TREATMENT FOR PATIENTS PRESENTING SYMPTOMATIC CAROTID ARTERY STENOSIS. THE IMPROVEMENT IN CLINICAL OUTCOMES WITH CAS HAS BEEN ASSOCIATED WITH THE DEVELOPMENT OF EMBOLIC PROTECTION DEVICES. THE TRIAL AIM IS TO COMPARE FLOW REVERSAL VERSUS FILTER PROTECTION DURING CAS THROUGH FEMORAL ACCESS.METHODS ...
Tang Gilbert H L - - 2013
We report a 52-year-old patient with a late presentation of a fistula that occurred after catheter ablation for atrial fibrillation. A secondary left atrial wall abscess was diagnosed by upper endoscopy and cardiac magnetic resonance imaging. Emergency operative repair was successful, with no adverse cardiac or gastrointestinal sequelae.
O'Brien John T - - 2013
Although their clinical significance has long been debated, it has now been well established, both from cross-sectional and longitudinal studies, that white matter lesions on magnetic resonance imaging are associated with a number of adverse outcomes, including cognitive impairment, functional disability, death, neurologic problems, and depression. Novel imaging methods now ...
Kharazmi Shervin A - - 2013
Administration of PO contrast within 2 hours before sedation for abdominal computed tomography (CT) is controversial because it violates American Society of Anesthesiologists guidelines that recommend 2 hours of fasting for clear fluids before sedation. This study aimed to review the administration of PO contrast for patients undergoing propofol sedation ...
Deibert Christopher P - - 2013
To retrospectively evaluate the clinical benefit and imaging response of bevacizumab when used to treat refractory adverse radiation effects (ARE) after stereotactic radiosurgery. Twenty-nine patients with brain tumors or vascular malformations developed clinical and/or imaging evidence of ARE after SRS and were treated using bevacizumab. Patients received an average dose ...
Tomoda Takeshi - - 2013
We report a case of a 47-year-old female patient with ceftriaxone (CTRX)-associated pseudolithiasis. CTRX was administered at a dosage of 2g/day for 8 days because of colonic diverticulitis. A routine abdominal computed tomography (CT) scan was performed to investigate the diverticulitis. However, the CT scan demonstrated stones and sludge in ...
Tuan J - - 2013
We report the initial toxicity data with scanned proton beams at the Italian National Center for Hadrontherapy (CNAO). In September 2011, CNAO commenced patient treatment with scanned proton beams within two prospective Phase II protocols approved by the Italian Health Ministry. Patients with chondrosarcoma or chordoma of the skull base ...
Kodali Santhisri - - 2013
With a burgeoning population, increases in life expectancy, and expanding indications, the number of patients with cardiac devices such as pacemakers and implantable cardioverter defibrillators continues to increase each year. A majority of these patients will develop an indication for magnetic resonance imaging (MRI) in their lifetime. MRIs have established ...
Taheri Morteza Sanei - - 2013
Hydatid disease (HD) may occur almost anywhere in the body. Despite their characteristic radiologic manifestations at times, they may enlarge and produce bizarre imaging features which make diagnosis challenging, particularly for those radiologists working in areas of low incidence. Plain radiography, ultrasonography, computed tomography, and magnetic resonance imaging may demonstrate ...
Miyazaki Yasuhiro - - 2013
PURPOSES: The purpose of this study was to evaluate the feasibility and safety of esophageal functional magnetic resonance imaging (fMRI) for the diagnosis of achalasia. METHODS: Eleven patients with suspected achalasia and three normal subjects underwent fMRI while swallowing clear liquid with original sequences; "T2-weighed single-shot fast spin-echo" and "Fast ...
Brassart N - - 2013
To compare diagnostic performances of two reduced z-axis coverages to full coverage of the abdomen and pelvis for the diagnosis of acute appendicitis and alternative diseases at unenhanced CT. This study included 152 adults suspected of appendicitis who were enrolled in two ethical committee-approved previous prospective trials. Based on scans ...
Yanamadala Vijay - - 2013
The preoperative evaluation of patients with intracranial aneurysms typically includes a contrast-enhanced vascular study, such as computed tomography angiography (CTA), magnetic resonance angiography (MRA), or digital subtraction angiography. However, there are numerous absolute and relative contraindications to the administration of imaging contrast agents, including pregnancy, severe contrast allergy, and renal ...
Nawabi Danyal H - - 2013
Although pseudotumors have been reported at the sites of well-functioning and painful metal-on-metal hip prostheses, there are no objective data on the magnitude of the adverse reaction. This observational study was performed to investigate the ability of modified magnetic resonance imaging (MRI) to detect and quantify adverse synovial responses in ...
Iafrate Franco - - 2013
AIM: To retrospectively study the frequency and magnitude of complications associated with computed tomography (CT) colonography in clinical practice. METHODS: A questionnaire on complications of CT colonography was sent to Italian public radiology departments identified as practicing CT colonography with a reasonable level of training. The frequency of complications and ...
Gilardi Laura - - 2013
A 42-year-old woman underwent resection of a high-risk melanoma of the right thigh. Adjuvant treatment with ipilimumab was then started within a phase III randomised, double-blind clinical trial. F-FDG PET/CT scan showed intense uptake in mediastinal hilar lymph nodes, bilaterally, and in rectus abdominis muscle. Biopsy at the abdominal wall ...
Epstein Norman - - 2013
ABSTRACTObjective:Many emergency physicians (EPs) order "confirmatory" abdominal computed tomography (CT) in young flank pain patients, despite a high clinical suspicion of renal colic and the risk of radiation exposure. We measured the adverse outcome rate among flank pain patients identified as not requiring abdominal CT by the EP on a ...
Simopoulos Thomas T - - 2013
The use of magnetic resonance imaging (MRI) is continuously escalating for the evaluation of patients with persistent pain following lumbar spine surgery (LSS). Spinal cord stimulation (SCS) therapy is being clinically applied much more commonly for the management of chronic pain following LSS. There is an increased probability that these ...
Kuru Timur H - - 2013
PURPOSE: Diagnosis and precise risk stratification of prostate cancer (PC) is essential for individualized treatment decisions. MRI/TRUS fusion has shown encouraging results for detecting clinically significant prostate cancer. Here we critically evaluate MRI-targeted TRUS-guided transperineal fusion biopsy in routine clinical practice. MATERIALS AND METHODS: 347 consecutive patients with suspicion of ...
Jamal Karim - - 2013
AIM: Cranial CT is the gold standard for the investigation of intracranial emergencies. The aim of this pilot study was to audit whether senior emergency physicians were able to report CT head scans accurately and reliably having attended structured teaching. MATERIALS AND METHODS: Senior emergency physicians attended a 3 h ...
Apisarnthanarak Piyaporn - - 2013
To compare four computed tomographic (CT) enteric contrasts (pasteurized whole milk, UHT whole milk, water, and diluted iodine contrast) in various aspects, including gastrointestinal (GI) distension, mural visualization, GI landmark distinction, taste, patients 'satisfaction, adverse effects, and prices. Sixty patients scheduled for whole abdominal CT at the present institution were ...
Draganov Peter V - - 2013
BACKGROUND: Endoscopic ultrasound (EUS) is an excellent tool for implanting fiducials for gastrointestinal malignancies, but a dedicated delivery system for EUS-guided fiducial placement is not available. The aim of the present study was to evaluate the performance characteristics of a new dedicated EUS-guided multi-fiducial delivery system. METHODS: This was a ...
Restrepo Ricardo - - 2013
Vascular malformations and hemangiomas are common in children but remain a source of confusion during diagnosis, in part because of the lack of a uniform terminology. With the existing treatments for hemangiomas and vascular malformations, it is important to make the correct diagnosis initially to prevent adverse physical and emotional ...
Ding Y-J - - 2013
AIM: Formocresol is still used in many parts of the world despite concerns over its toxicity. A case of a 45-year-old women who experienced brain injury after an analyphlactic reaction to formocresol is presented. SUMMARY: During routine root canal treatment, the patient experienced nausea and vomiting after formocresol was used ...
Rudolph Volker - - 2013
AIMS: To assess, and identify predictors of, 2-year adverse outcomes of surgical high-risk patients after successful MitraClip therapy (MC), differentiated by the aetiology of mitral regurgitation (MR). METHODS AND RESULTS: Kaplan-Meier analysis was used to assess survival free from death, heart failure rehospitalization, and reintervention up to 2 years in ...
Goss Foster R - - 2013
OBJECTIVE: Allergy documentation and exchange are vital to ensuring patient safety. This study aims to analyze and compare various existing standard terminologies for representing allergy information. METHODS: Five terminologies were identified, including the Systemized Nomenclature of Medical Clinical Terms (SNOMED CT), National Drug File-Reference Terminology (NDF-RT), Medication Dictionary for Regulatory ...
- - 2013
Because there are many potential risks in the MR environment and reports of adverse incidents involving patients, equipment and personnel, the need for a guidance document on MR safe practices emerged. Initially published in 2002, the ACR MR Safe Practices Guidelines established de facto industry standards for safe and responsible ...
Yamak Didem - - 2013
The purpose of this study is to evaluate a direct measure of calcium burden by using dual-energy computed tomography (DECT) during contrast-enhanced coronary imaging, potentially eliminating the need for an extra noncontrast X-ray acquisition. The ambiguity of separation of calcium from contrast material on contrast-enhanced images was solved by using ...
Ganeshan Balaji - - 2013
Heterogeneity is a key feature of malignancy associated with adverse tumour biology. Quantifying heterogeneity could provide a useful non-invasive imaging biomarker. Heterogeneity on computed tomography (CT) can be quantified using texture analysis which extracts spatial information from CT images (unenhanced, contrast-enhanced and derived images such as CT perfusion) that may ...
Kobayashi Daiki - - 2013
Symptoms of an adverse reaction to contrast agents for computed tomography are diverse ranging, and sometimes serious. The goal of this study is to create a scoring rule to predict adverse reactions to contrast agents used in computed tomography. This was a retrospective cohort study of all adult patients undergoing ...
Kusnezov Nicholas A NA Department of Neurosurgery, University of California Los Angeles, Los Angeles, CA, - - 2013
There is a paucity of quality data on the incidence of adverse outcomes of chiropractic manipulation. Spontaneous intracranial hypotension (SIH) subsequent to cervical spinal manipulation has been documented. However, no imaging correlates have previously been presented demonstrating a clear causal relationship to manipulation with follow-up and correlating with clinical symptomatology. ...
Apfaltrer Paul - - 2012
PURPOSE: To evaluate the accuracy of high-sensitivity-cardiac-troponin-I (hs-cTnI) and quantitative CT-parameters, alone and in combination, for predicting right-ventricular-dysfunction (RVD) and adverse clinical outcome in patients with acute pulmonary embolism (PE). MATERIALS AND METHODS: 65 patients with PE and hs-cTnI measurements within 24h of CT were retrospectively included. RVD was assessed ...
van Es J - - 2012
Although the incidence of pulmonary embolism (PE) increases with age from 1 per 10,000 in childhood to nearly 8 per 1000 in older-aged patients [1], the prevalence of objectively proven PE in patients with suspected PE is relatively low: between 20-30% [2;3]. Computerized tomographic (CT-) scanning in suspected PE has ...
Joshi Veena - - 2012
Medical expertise combined with availability of patients with varied diseases have resulted in rapid increase in number of clinical trials (CTs) recruiting millions of patients in India. Yet, few researchers have tried to understand if the public in India is aware of CTs. To explore the awareness, perceptions of and ...
Paparo Francesco - - 2012
OBJECTIVES: The major objective was to prospectively compare the grade of bowel distension obtained with four different computed tomography (CT) techniques dedicated for the examination of the small intestine (CT enteroclysis [CTE] and enterography [CTe]), of the colon (CT with water enema [CT-WE]), or both (CTe with water enema [CTe-WE]). ...
Yoshimura Shinichi - - 2012
BACKGROUND: The aim of this study was to elucidate the impact of treatment selection, either carotid stenting or endarterectomy, based on preoperative magnetic resonance (MR) plaque imaging on periprocedural events. METHODS: A total of 205 consecutive patients with high-grade carotid artery stenosis scheduled for elective revascularization with stenting or endarterectomy ...
Martínez Claudia M - - 2012
The capacity of an anaerobic sediment to achieve the simultaneous biodegradation of phenol and carbon tetrachloride (CT) was evaluated, using humic acids (HA) as redox mediator. The presence of HA in sediment incubations increased the rate of biodegradation of phenol and the rate of dehalogenation (2.5-fold) of CT compared to ...
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