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Wu Ying Wei YW aDepartment of Radiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China Departments of bRadiology cPsychiatry, Mt. Sinai School of Medicine, New York, New York, - - 2014
We studied the effect of oxygen inhalation during resting state functional MRI scanning in healthy control individuals. We hypothesized that resting state networks would be modified under hyperoxic conditions. Thirty-four normal volunteers were recruited for this study. All participants were scanned twice: once while breathing atmospheric air and once under ...
Haugen Ida K IK Department of Rheumatology, Diakonhjemmet Hospital, Oslo, - - 2014
To examine whether MRI features predict radiographic progression including erosive evolution in patients from the Oslo hand osteoarthritis (OA) cohort, which is the first longitudinal hand OA study with available MRI. We included 74 patients (91% female, mean (SD) age of 67.9 (5.3) years) with MRI of the dominant hand ...
Gnannt Ralph R From the *Institute of Diagnostic and Interventional Radiology, and †Department of Surgery, Swiss Hepato-Pancreato-Biliary and Transplantation Center, University Hospital Zurich; and ‡Division of Biostatistics, Institute of Social and Preventive Medicine, University of Zurich, Zurich, - - 2014
Mortality from abdominal abscesses ranges from 30% in treated cases up to 80% to 100% in patients with undrained or nonoperated abscesses. Various computed tomographic (CT) imaging features have been suggested to indicate infection of postoperative abdominal fluid collections; however, features are nonspecific and substantial overlap between infected and noninfected ...
Morishita Y Y Department of Orthopedic Surgery, Spinal Injuries Center, Iizuka, - - 2014
Study Design:Retrospective clinical study.Objective:To elucidate the pathophysiology of rapid progressive clinical deterioration following the onset of cervical myelopathy.Setting:Spinal Injuries Center, Fukuoka, Japan.Methods:A total of 43 cervical spondylotic myelopathy (CSM) patients were treated surgically by a senior surgeon. All patients showed intramedullary intensity changes on magnetic resonance (MR) imaging. Overall, eight ...
Henry L - - 2014
The purpose of this study was to examine 3-month neuropsychological outcomes following mTBI (GCS 13-15) in participants with and without positive CT scans. 321 participants with mTBI (GCS score >12) from the prospective multicenter Transforming Research and Clinical Knowledge (TRACK-TBI) study were included in the current analyses, 44% of whom ...
Raj Rahul R 1Department of Neurosurgery, 2Department of Intensive Care, Helsinki University Hospital, - - 2014
Early computerized tomography (CT) abnormalities are important predictors of outcome after traumatic brain injury (TBI). To develop a novel CT scoring system ("Helsinki CT score") and compare it to the Marshall CT classification and the Rotterdam CT score in predicting long-term outcome of patients with TBI. 869 consecutive TBI patients ...
Calder Alistair D AD Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, Great Ormond Street, London, WC1N 3JH, UK, - - 2014
Chest CT has been proposed as a surrogate outcome measure in the evaluation of cystic fibrosis lung disease. Quantitative evaluation of chest CT findings requires application of a scoring system to derive numerical values. Several scoring systems are in use. These mostly rely on a subjective judgement of the severity ...
Bryant Mark M Department of Diagnostic and Interventional Radiology, University of Heidelberg, Heidelberg, - - 2014
Distinct morphological emphysema phenotypes were assessed by CT to show characteristic perfusion defect patterns. Forty-one patients with severe emphysema (GOLD III/IV) underwent three-dimensional high resolution computed tomography (3D-HRCT) and contrast-enhanced magnetic resonance (MR) perfusion. 3D-HRCT data was visually analyzed for emphysema phenotyping and quantification by consensus of three experts in ...
Ahmed Wehab W Department of Cardiology, Leiden University Medical Center, Albinusdreef 2, Postal zone 2300 RC, 2333 ZA, Leiden, The - - 2014
Potentially, Agatston coronary artery calcium (CAC) score could be calculated on contrast computed tomography coronary angiography (CTA). This will make a separate non-contrast CT scan superfluous. This study aims to assess the performance of a novel fully automatic algorithm to detect and quantify the Agatston CAC score in contrast CTA ...
Gupta Divya D Department of Otorhinolaryngology and Head and Neck Surgery, Maulana Azad Medical College and Associated Lok Nayak Hospital, 2, Bahadur Shah Zafar Marg, New Delhi-110002, India and - - 2014
The aim of the present study was to correlate olfactory dysfunction determined with psychophysical testing with nasal endoscopy, computed tomography (CT) scan, and patient's self-assessed olfactory deficit in patients of chronic rhinosinusitis (CRS) before and after sinus surgery. It was a prospective cohort study comprising of a total of 40 ...
Willemink Martin J MJ From the Departments of Radiology (M.J.W., R.A.P.T., T.L., R.P.J.B., A.M.R.S., P.A.d.J.) and Anatomy (R.L.A.W.B.), Utrecht University Medical Center, PO Box 85500, E01.132, 3508 GA Utrecht, the Netherlands; Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands (R.V.); Department of Radiology, Maastricht University Medical Center, Maastricht, the Netherlands (M.D., J.E.W.); Department of Radiology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands (M.P.); and Department of Radiology, UZ Brussel, Brussels, Belgium (N.B., - - 2014
Purpose To determine the intervendor variability of Agatston scoring determined with state-of-the-art computed tomographic (CT) systems from the four major vendors in an ex vivo setup and to simulate the subsequent effects on cardiovascular risk reclassification in a large population-based cohort. Materials and Methods Research ethics board approval was not ...
Hsu Bailing B Nuclear Science and Engineering Institute, University of Missouri-Columbia, Columbia, MO, - - 2014
Conventional dual-head single photon emission computed tomography (SPECT)/CT systems capable of fast dynamic SPECT (DySPECT) imaging have a potential for flow quantitation. This study introduced a new method to quantify myocardial blood flow (MBF) and myocardial flow reserve (MFR) with DySPECT scan and evaluated the diagnostic performance of detecting coronary ...
Preti Antonio A Genneruxi Medical Center, Cagliari, Italy; IRCCS Centro San Giovanni di Dio-Fatebenefratelli, via Pilastroni 4, 20125 Brescia, - - 2014
The impact of alcohol on brain morphology was studied in a large group of cognitively intact people whose consumption of alcohol was below the threshold for abuse. Participants were 367 healthy subjects, aged 18 years or older, who underwent magnetic resonance imaging (MRI) for reasons other than cognitive impairment. MRI ...
Kumar Mohit M Supramolecular Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur P.O., Bangalore-560064 (India), Fax: - - 2014
Charge-transfer (CT) assemblies of aromatic donor (D) and acceptor (A) molecules have recently gained attention as a promising material for organic electronics and ferroelectrics. Two major factors which govern their functions are the strength of CT interaction and their supramolecular nanostructuring. Here we present coronene-naphthalenediimide (NDI)-based novel D-A pairs that ...
Shetty Abijit A Department of Urology, Medical Trust Hospital, Kochi, Kerala, - - 2014
Live donor nephrectomy has gained popularity on account of the laparoscopic technique, to overcome a small donor pool. Laparoscopic donor nephrectomy requires a precise study of the vascular and morphological renal anatomy, as laparoscopy is technically challenging due to the limited field of vision. In-depth knowledge of the renal anatomy ...
Malomo A O - - 2014
Eighty two (82) consecutive patients who presented with mechanical brain injury to the Accident and Emergency department of our hospital and were assessed with cranial Computerized Tomographic Scan between November 2005 and April 2006 were included in the study. Demographic data were obtained at admission. Clinical severity of head injury ...
Hahn Lewis D LD 1 Department of Radiology, Yale University School of Medicine, 333 Cedar St, New Haven, CT - - 2014
OBJECTIVE. The objective of our study was to catalog the anatomic features shown on preoperative CT that precluded living-donor liver donation. MATERIALS AND METHODS. We retrospectively reviewed the records of 159 consecutive candidates who were evaluated for potential right or left lobe liver donation from November 2007 to January 2012 ...
Chiang H-J HJ Liver Transplantation Program and Departments of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taiwan; Department of Medical Imaging and Radiological Sciences, College of Health Science, Kaohsiung Medical University, - - 2014
Hepatic steatosis can cause substantial problems for both donors and recipients in living donor liver transplantation (LDLT). The aim of this study is to evaluate the accuracy of the magnetic resonance IDEAL (iterative decomposition of water and fat with echo asymmetry and least squares estimation) sequence in quantifying the liver ...
Hou Dailun D Division of Computed Tomography, Department of Radiology, Shandong University School of Medicine, Thoracic Hospital, Shandong, China - - 2014
Background The aim of this study was to determine whether the diagnosis of intracranial tuberculosis (TB) can be improved when multi-slice computed tomography (MSCT) scans are taken with a 5-min delay after contrast media application. Material and Methods Pre- and post-contrast CT scans of the head were obtained from 30 ...
Klink T T Diagnostic, Interventional, and Pediatric Radiology, INSELSPITAL - Bern University Hospital, - - 2013
Purpose: To assess liver remnant volume regeneration and maintenance, and complications in the long-time follow-up of donors after living donor liver transplantation using CT and MRI. Materials and Methods: 47 donors with a mean age of 33.5 years who donated liver tissue for transplantation and who were available for follow-up ...
Dazzi Francisco Leôncio - - 2013
A crucial aspect of living-donor liver transplant is the risk imposed to the donor due to a procedure performed in a healthy individual that can lead to a high postoperative morbidity rate AIM: To correlate the pre- and intraoperative hepatic imaging findings of living adult donors. From 2003 to 2008 ...
Ragab Aly A University of Chicago Hospitals, - - 2013
A correct preoperative definition of the hepatic duct confluence anatomy of right liver living donors is a pivotal step in determining their candidacy for donation and planning the surgery. The purposes of this study are to evaluate the accuracy of three-dimensional Magnetic Resonance Cholangiography (3D MRCP) when compared with intraoperative ...
Segedi Maja M Department of Surgery, University of British Columbia, Vancouver, BC, Canada. - - 2013
The aim of the present study was to determine the utility of computed tomography (CT) and magnetic resonance imaging (MRI) anatomic mapping in the detection of biliary and vascular anomalies prior to a living liver donor (LLD) operation. A retrospective study of all LLD patient charts, operative and radiology reports ...
Danielsen Else R - - 2013
α-Mannosidosis, OMIM #248500, is an autosomal recessive lysosomal storage disease caused by acidic α-mannosidase deficiency. Treatment options include bone marrow transplantation (BMT) and, possibly in the future, enzyme replacement therapy. Brain magnetic resonance spectroscopy (MRS) enables non-invasive monitoring of cerebral treatment effect. Accumulated cerebral mannose-containing oligosaccharides were demonstrated by MRS ...
Bertagna Francesco - - 2012
Context:Thyroid incidentaloma diagnosed by 2-[18F]-fluoro-2-deoxy-d-glucose positron emission tomography/computed tomography (F-18-FDG-PET/CT) is defined as a thyroid uptake incidentally and newly detected in a patient studied for nonthyroid purpose. In this review, we have comprehensively analyzed the diagnostic and clinical significance of F-18-FDG-PET/CT thyroid incidentalomas revealed during studies performed for an unrelated ...
Meng Zhaowei - - 2012
ABSTRACT: A 56-year-old man who had diffuse bone pain and weight loss for 1 year underwent FDG PET/CT and a dual-tracer, dual-phase parathyroid imaging. The FDG PET/CT scan showed foci of increased metabolism in several bones and the stomach, which were proven histologically as brown tumor and gastritis. The planar ...
Lerman Hedva - - 2012
OBJECTIVE: Positron emission tomography/computed tomography (PET/CT) is an important tool in oncology for assessment of disease extent and recurrence. Recognition of benign fluorodeoxyglucose (FDG) uptake promotes correct interpretation of imaging data. This study assesses the appearance of benign uterine leiomyomas (ULs) on PET/CT and evaluates possible hormonal influences. PATIENTS AND ...
Yin Wenyan - - 2012
Under 980 nm near-infrared (NIR) excitation, upconversion luminescent (UCL) emission of GdF(3) :Yb,Er upconversion nanoparticles (UCNPs) synthesized by a simple and green hydrothermal process can be tuned from yellow to red by varying the concentration of dopant Li(+) ions. A possible mechanism for enhanced red upconverted radiation is proposed. A layer ...
Grossmann Claudia - - 2012
The mineralocorticoid receptor (MR), a member of the steroid receptor superfamily, regulates water-electrolyte balance and mediates pathophysiological effects in the renocardiovascular system. Previously, it was assumed that after binding aldosterone, the MR dissociates from HSP90, forms homodimers, and then translocates into the nucleus where it acts as a transcription factor ...
Ishii Shirou - - 2012
ABSTRACT: An I metaiodobenzylguanidine (MIBG) planar image showed abnormal uptake in the left adrenal gland and thyroid in a 24-year-old woman with multiple endocrine neoplasia type 2A. I MIBG showed abnormal uptake in the thyroid but not in the adrenal gland. Abdominal CT with 2-mm thin slices demonstrated a normal ...
Zhu Yanjie - - 2012
Chest radiologists rely on the segmentation and quantificational analysis of ground-glass opacities (GGO) to perform imaging diagnoses that evaluate the disease severity or recovery stages of diffuse parenchymal lung diseases. However, it is computationally difficult to segment and analyze patterns of GGO while compared with other lung diseases, since GGO ...
Keshari Kayvan R KR Department of Radiology, University of California San Francisco, San Francisco, - - 2012
We report the imaging of β-cyclodextrin-benzoic acid binding at 14T using hyperpolarized (13)C magnetic resonance (MR). Benzoic acid was polarized using a dynamic nuclear polarization (DNP) approach and combined with β-cyclodextrin in aqueous solution. As anticipated, decreases in the spin-lattice relaxation constant (T(1)) were observed with decreases in the ligand-receptor ...
Lania Andrea - - 2012
The widespread use of sensitive neuroradiological imaging studies (i.e. computed tomography scan and magnetic resonance imaging) over the last years lead to the diagnosis of an increased number of asymptomatic pituitary lesions. The management of these so-called "pituitary incidentalomas" is still controversial, due to the limited data so far available ...
Nabaa B - - 2012
BACKGROUND AND PURPOSE:Although radiation induced damage to the salivary gland is a known complication of radioactive iodine ((131)I) therapy for thyroid carcinoma, prediction of the severity and reversibility of sialoadenitis is difficult. Our aim was to correlate the extent of salivary dysfunction assessed by salivary gland scintigraphy with changes in ...
Maffei Pietro - - 2012
This is a case of a 48-year-old man treated with surgery and I for papillary thyroid carcinoma: a follow-up F-FDG PET/CT incidentally evidenced pituitary uptake, also seen in In-octreoscan as increased uptake in the sellar area. MRI confirmed a pituitary mass. The patient did not show any signs or symptoms ...
Beltran Elsa - - 2012
A 7-year-old male neutered domestic short-haired cat had depression for 5 months and acute blindness. A lesion at the level of the rostral and middle cranial fossae was suspected. A large pituitary mass compressing the optic chiasm was detected in magnetic resonance images and there was also evidence of recent ...
Chaudhary Vikas - - 2012
Although thyroid scintigraphy and ultrasound continues to be the mainstay of the diagnostic imaging of the thyroid gland, there have been several recent advances that are of interest to both radiologists and endocrinologists. In this review article, the authors discuss recent progress in imaging of the thyroid by use of ...
Møllerløkken Ole J - - 2012
Magnetic resonance imaging (MRI) is increasing around the world and the possible adverse effects on reproductive health of electromagnetic fields (EMFs) in MRI are not previously studied. A prospective randomized balanced cross-over study using a head scan in real MRI with whole-body transmitting coil and sham MRI among 24 healthy ...
Daraki Vasiliki - - 2012
To describe a rare case of occult (<1cm in diameter) medullary thyroid carcinoma (MTC) in a 45-year-old woman, presenting as an asymptomatic mediastinal mass. The diagnostic methodology included laboratory measurements of relevant biochemical and hormonal parameters including calcitonin (CT), carcinoembryonic antigen (CEA) and chromogranin A, and imaging techniques including ultrasound ...
Nunoi Hiroaki - - 2012
The motilin receptor (MR) belongs to a family of Class I G protein-coupled receptors that also includes growth hormone secretagogue receptor (GHSR). Their potentially unique structure and the molecular basis of their binding and activation are not yet clear. We previously reported that the perimembranous residues in the predicted extracellular ...
Moon Sung Kyoung - - 2012
Extrauterine adenomyomas are rare tumors that present as uterus-like masses. Uterine adenomyomas can show interval changes according to hormone status. However, interval changes in imaging studies have not been reported in adenomyomas. We report a rare case of an extrauterine adenomyoma showing unique interval changes in magnetic resonance imaging.
Wu Haifei - - 2012
A 51-year-old woman presented typical symptoms of a Cushing syndrome. MRI scanning of the pituitary gland showed possible enlargement of the right side of the pituitary gland, suggestive of microadenoma. However, a transsphenoidal pituitary tumor resection failed to relieve the symptoms. An FDG PET/CT was performed to further evaluate this ...
Kranz Peter G - - 2012
We describe the use of CT fluoroscopy as a guidance tool for performing interlaminar epidural steroid injections in the cervical spine. CT fluoroscopy is an alternative method to perform cervical interlaminar steroid injections that allows precise needle placement in the epidural space.
Altay Canan - - 2012
Ectopic thyroid tissue may be observed anywhere from the tongue base to the lower neck. It is rarely seen in the mediastinum and abdominal cavity. Computed tomography and magnetic resonance imaging are very sensitive for detection and localization of ectopic thyroid tissue. This pictorial essay presents the radiological characteristics of ...
Jin Judy - - 2012
Thyroid incidentaloma is defined as an unsuspected, asymptomatic thyroid lesion that is discovered on an imaging study or during an operation unrelated to the thyroid gland. Thyroid incidentalomas are most commonly detected on ultrasound, followed in frequency by computed tomography (CT) and magnetic resonance imaging (MRI), carotid duplex scanning and ...
Kiyonaga M - - 2012
The aim of this study was to evaluate the normal anatomy of the thoracic duct and cisterna chyli obtained by axial and multiplanar reformation (MPR) images of 1 mm slice thickness using multidetector row CT (MDCT). We evaluated the ability of MDCT to examine the normal anatomy of the thoracic ...
Branderhorst Woutjan - - 2012
Ultra-high-resolution SPECT images can be obtained with focused multipinhole collimators. Here we investigate the influence of unwanted high tracer uptake outside the scan volume on reconstructed tracer distributions inside the scan volume, for (99m)Tc-tetrofosmin myocardial perfusion scanning in mice. Simulated projections of a digital mouse phantom (MOBY) in a focusing ...
Couch Marcus J - - 2012
Lung ventilation was mapped in seven healthy male Sprague-Dawley rats (433 ± 24 g) using hyperpolarized (129) Xe magnetic resonance imaging (MRI) at 3.0 T, and validated with hyperpolarized (3) He MRI under similar ventilator conditions. Ventilation maps were obtained using flip angle variation for offset of RF and relaxation ...
He Jia - - 2012
To evaluate diagnostic value of the PISA-PED and PIOPED II criteria for lung scintigraphy and compare it with CT pulmonary angiography (CTPA) for the detection of pulmonary embolism (PE). Five hundred and forty-four consecutive patients with suspected PE were enrolled. All patients underwent lung ventilation/perfusion (V/P) scan, chest radiography, and ...
Suga Kazuyoshi - - 2012
PURPOSE: Intrabullous ventilation in patients with pulmonary emphysema (PE) was cross-sectionally evaluated using dynamic xenon-133 gas single photon emission computed tomography (SPECT). METHODS: Fifty-two patients with PE with a total of 109 bullae of more than 4 cm in maximum diameter underwent xenon-133 gas SPECT. The real xenon-133 gas half-clearance ...
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