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Eisenmenger Laura B LB Department of Radiology, University of Utah, 30 North 1900 East #1A071, Salt Lake City, UT 84132-2140, USA; Department of Biomedical Informatics, University of Utah, 30 North 1900 East #1A071, Salt Lake City, UT 84132-2140, - - 2015
The cervical lymph nodes can be affected by a variety of infectious, inflammatory, benign, and malignant pathologic conditions. Clinical history and physical examination with the complementary use of imaging is essential to accurately make a diagnosis or appropriate differential. Knowledge of cervical lymph node anatomy, drainage pathways, morphologic variations, and ...
Itri Jason N JN Department of Radiology, UPMC Presbyterian, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania. Electronic address: - - 2014
CT examinations represent a substantial portion of the workload for many radiology departments, and optimizing service delivery is a critical function to ensure customer satisfaction. This article describes how the Six Sigma methodology was used in the radiology department at a large academic hospital to improve the patient experience and ...
Verhaart René F RF Hyperthermia Unit, Department of Radiation Oncology, Erasmus MC - Cancer Institute, Groene Hilledijk 301, Rotterdam 3008 AE, The - - 2014
In current clinical practice, head and neck (H&N) hyperthermia treatment planning (HTP) is solely based on computed tomography (CT) images. Magnetic resonance imaging (MRI) provides superior soft-tissue contrast over CT. The purpose of the authors' study is to investigate the relevance of using MRI in addition to CT for patient ...
Ashrafpoor Golmehr G Sorbonne Universités, UPMC Univ Paris 06, UMR 7371, UMR_S 1146, Laboratoire d'Imagerie Biomédicale, 75013, Paris, - - 2014
Our objectives were to assess the ability of phasecontrast MRI (PC-MRI) to detect sub-clinical age-related variations of left ventricular (LV) diastolic parameters and thus to provide age-related reference ranges currently available for echocardiography but not for MRI-PC, and to identify independent associates of such variations. We studied 100 healthy volunteers ...
Zheng Zhenfeng Z Department of Nephrology, General Hospital of Tianjin Medical University, Tianjin, PR - - 2014
Objective: To explore the characteristics of blood oxygen level-dependent magnetic resonance imaging (BOLD-MRI) in healthy native kidneys. Methods: Seventy-nine patients without chronic kidney disease underwent BOLD-MRI with T2* spoiled gradient recalled echo sequences. BOLD images were analyzed using R2*map software to produce an R2* pseudo-color map. Cortical and medullary R2* ...
Scholten Ernst Th ET Department of Radiology, University Medical Center, Heidelberglaan 100, 3584 CX, Utrecht, The - - 2014
We aimed to test the interscan variation of semi-automatic volumetry of subsolid nodules (SSNs), as growth evaluation is important for SSN management. From a lung cancer screening trial all SSNs that were stable over at least 3 months were included (N = 44). SSNs were quantified on the baseline CT by two observers ...
Park Chan-Soo CS Biomedical Engineering Branch, Division of Convergence Technology, National Cancer Center, Gyeonggi-do, - - 2014
An abdominal aorta aneurysm (AAA) is a disease that aortic vessel inflates abnormally. The aorta blows up continuously, which may lead to the rupture of the aorta. The mortality of rupturing the aorta is between 75 and 90% to properly treat this disease, we need to accurate measure about variation ...
Hu Yong Y 1Department of Spinal Surgery, Ningbo No.6 Hospital, Ningbo 315040, Zhejiang Province, China. 2Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT, USA. 3Department of Orthopaedic Surgery, Thomas Jefferson University & Rothman Institute, Philadelphia, Pennsylvania 19107, - - 2014
Study Design. Anatomic study of the C1 lateral mass using fine-cut computed tomographic (CT) scans and Mimics software.Objective. To investigate the optimal entry point, medial angles and effective length for safe fixation using posterior C1 lateral mass screws.Summary of Background Data. Placing posterior C1 lateral mass screws is technically demanding, ...
Gnahm Christine C German Cancer Research Center (DKFZ), Division of Medical Physics in Radiology, Im Neuenheimer Feld 280, 69120 Heidelberg, Germany. Electronic address: - - 2014
Sodium ((23)Na) MRI is a noninvasive tool to assess cell viability, which is linked to the total tissue sodium concentration (TSC). However, due to low in vivo concentrations, (23)Na MRI suffers from low signal-to-noise ratio (SNR) and limited spatial resolution. As a result, image quality is compromised by Gibbs ringing ...
Laviers H H The Eye Treatment Centre, Barts Health NHS Trust, Whipps Cross University Hospital, Whipps Cross Road, E11 1NR, London, UK, - - 2014
With the advent of enhanced depth imaging optical coherence tomography (EDI-OCT), detailed visualisation of the choroid in vivo is now possible. Measurements of choroidal thickness (CT) have also enabled new directions in research to study normal and pathological processes within the choroid. The aim of the present study is to ...
Brendle Cornelia C Diagnostic and Interventional Radiology, Department of Radiology, Eberhard Karls University, Hoppe-Seyler-Straße 3, 72076 Tuebingen, Germany. Electronic address: - - 2014
PET quantification using the standard uptake value (SUV) is very prone to variations by technical factors of the scanner system and patient specific characteristics. Aim of the study was to investigate the reproducibility of SUV values between different measures and different reconstruction algorithms in a PET/CT scanner of the newest ...
Tang Shujie S Department of Traditional Chinese Medicine, Medical School, Jinan University, Guangzhou, China. Electronic address: - - 2014
Spinous process deviation is a common variation in lumbar spine, and some authors suggest that spinous process deviation may lead to imbalance between muscles on either side of the spinous process. We assume that spinous process deviation may be correlated to the disc degeneration in lumbosacral segment; however, no studies ...
Tasian Gregory E GE Division of Pediatric Urology, Department of Surgery, Division of Urological Surgery, Department of Surgery, Perelman School of Medicine at The University of Pennsylvania, Philadelphia, Pennsylvania; Center for Pediatric Clinical Effectiveness, and - - 2014
We sought to determine the prevalence of initial computed tomography (CT) utilization and to identify regions in the United States where CT is highly used as the first imaging study for children with nephrolithiasis. We performed a cross-sectional study in 9228 commercially insured children aged 1 to 17 years with ...
Bozlar Uğur U Department of Radiology, Gülhane Military Medical Academy, Ankara, Turkey. - - 2014
We aimed to evaluate the frequency and features of dual left anterior descending artery (LAD) variants using computed tomography (CT) angiography. A total of 1337 consecutive coronary CT angiography examinations performed between April 2010 and December 2013 were retrospectively evaluated for the presence of dual LAD. CT examinations were performed ...
Kornmayer M M Matthias Kornmayer, DVM, Department of Veterinary Clinical Sciences, Small Animal Clinic, Justus-Liebig-University Giessen, Frankfurter Strasse 108, 35392 Giessen, Germany, Phone: +49 641 99 38501, Fax: +49 641 99 38509, E-mail: - - 2014
Objectives: To compare radiography and computed tomography (CT) for the evaluation of medullary cavity diameters of metacarpal and metatarsal bones in cats and to analyse their correlation with intramedullary pin size. Methods: Radiography and CT were performed in cadavers (n = 12). The mid-diaphysis was determined and the medullary cavity ...
Uysal Fatma F Çanakkale Onsekiz Mart University, Department of Radiology, Çanakkale, Turkey. Electronic address: - - 2014
The aim of this study was to research the frequency and distribution of plicae palmatae in women in different age groups. Data of 409 female patients' magnetic resonance images were evaluated. We found a frequency of plicae palmatae variations in the study population of 44.5%. It was statistically most frequent ...
MacLeod Toran D TD Department of Physical Therapy, California State University, 6000 J Street, Sacramento, CA, 95819-6020, USA, - - 2015
To establish a novel method of quantifying meniscal deformation using loaded MRI. More specifically, the goals were to evaluate the (1) accuracy, (2) inter-rater reliability, (3) intra-rater reliability, and (4) scan-rescan reliability. The secondary purpose of this experiment was to evaluate group differences in meniscal deformation in participants with and ...
Mazzei Maria Antonietta MA Department of Medical, Surgical and Neuro Sciences, Diagnostic Imaging, University of Siena, Viale Bracci 10, 53100, Siena, Italy, - - 2014
Nonocclusive mesenteric ischaemia (NOMI) is an acute mesenteric circulatory disorder that is not caused by an organic occlusion of blood vessels. It could involve all the abdominal parenchymas and viscera and the whole gastrointestinal tract (from the oesophagus to the rectum), insomuch that the involvement of the entire colon should ...
Stanley Rachel M RM Department of Emergency Medicine and Pediatrics, University of Michigan, Ann Arbor, MI. Electronic address: - - 2014
To describe factors associated with computed tomography (CT) use for children with minor blunt head trauma that are evaluated in emergency departments. Planned secondary analysis of a prospective observational study of children <18 years with minor blunt head trauma between 2004 and 2006 at 25 emergency departments. CT scans were obtained ...
Inderhaug Eivind E Surgical Department, Haraldsplass Deaconess Hospital, Pb 6165, Bergen, Norway, - - 2014
To evaluate the effect of feedback from post-operative 3D CT in the learning process of placing the femoral graft tunnel anatomically using the anteromedial (AM)-portal technique in single-bundle anterior cruciate ligament (ACL) reconstruction. An experienced knee surgeon converting from transtibial to AM-portal technique was offered post-operative feedback on tunnel placement. ...
Menezes Cristiano Magalhães CM Serviço de Cirurgia de Coluna, Hospital Ortopédico/Lifecenter and Hospital São Francisco de Assis, Belo Horizonte, Brazil, - - 2014
Magnetic resonance (MR) neurography has been used to evaluate entire nerves and nerve bundles by providing better contrast between the nerves and the surrounding tissues. The purpose of the study was to validate diffusion-weighted MR (DW-MR) neurography in visualizing the lumbar plexus during preoperative planning of lateral transpsoas surgery. Ninety-four ...
Oguro Sota S Department of Radiology, Keio University School of Medicine, Keio University Hospital, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan, - - 2014
The objective of this retrospective study was to determine the frequency of right adrenal vein identification by computed tomography (CT) during right inferior phrenic arteriography (CTRIPA) and to describe the spectrum of anatomic variations of the right adrenal vein. CTRIPA performed on 104 patients treated with transcatheter arterial chemoembolization (TACE) ...
Schmidt Holger H From the *Department of Radiology, Diagnostic and Interventional Radiology, and †Department of Radiology, Diagnostic and Interventional Radiology, Section on Experimental Radiology, Eberhard Karls University, Tübingen, - - 2014
The scope of this work was to systematically evaluate the reproducibility of diffusion-weighted imaging and the impact of b values used for apparent diffusion coefficient (ADC) calculation as well as the echo time (TE) on the resulting ADC in phantom studies. We attempted to find a minimum upper b value ...
Schwartz Deborah H DH Rotman Research Institute, Baycrest Centre for Geriatric Care, Toronto, Canada; Department of Psychology, University of Toronto, - - 2014
Obesity, a major risk factor for cardiometabolic disease, is associated with variations in a number of structural properties in the adult brain, as assessed with magnetic resonance imaging (MRI). In this study, we investigated the cross-sectional relationship between visceral fat (VF), total body fat (TBF) and three MRI parameters in ...
Bayrakdar Ibrahim Sevki IS Research Assistant, Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ataturk University, Erzurum, - - 2014
The aim of this study was to investigate the frequency of ponticulus posticus (PP) using cone beam computed tomography (CBCT) and to describe the radiologic characteristics of the detected cases. The presence and types of PP were investigated on 730 CBCT images. PP was found in 17.4% (127) of the ...
Sun Jie J Department of Radiology, University of Washington, 850 Republican St Brotman 127, Seattle, WA, 98109, USA, - - 2014
This study sought to determine the multicenter reproducibility of magnetic resonance imaging (MRI) and the compatibility of different scanner platforms in assessing carotid plaque morphology and composition. A standardized multi-contrast MRI protocol was implemented at 16 imaging sites (GE: 8; Philips: 8). Sixty-eight subjects (61 ± 8 years; 52 males) were dispersedly recruited ...
Koopman Daniëlle D aMIRA Institute for Biomedical and Technical Medicine, University of Twente, Enschede Departments of bMedical Physics cCardiology dNuclear Medicine, Isala Hospital, Zwolle, The - - 2014
The new multipinhole cardiac single photon emission computed tomography/computed tomography (SPECT/CT) cameras with cadmium-zinc-telluride (CZT) detectors are highly sensitive and produce images of high quality but rely on complex dedicated reconstruction algorithms. The aim of this study was to determine the impact of various processing steps on image formation and ...
Park Andrew A Department of Orthopaedic Surgery, Barnes Jewish Hospital, St. Louis, - - 2014
Preoperative planning for patient-specific guides (PSGs) in total knee arthroplasty (TKA) requires identification of anatomic landmarks on three-dimensional imaging studies. The aim of this study was to assess the accuracy and precision with which landmarks commonly used to determine rotational alignment in TKA can be identified on magnetic resonance imaging ...
Marin Jennifer R JR The Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA; The Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, - - 2014
The objectives were to evaluate general emergency department (ED) variation in head computed tomography (CT) use for pediatric head trauma, hospital factors associated with CT use, and recent secular trends in CT utilization for pediatric head trauma. This was a cross-sectional study of a sample of general EDs in the ...
Dilli Alper A Ministry of Health, Dıskapı Yıldırım Beyazıt Training and Research Hospital, Ankara, - - 2014
We aimed to evaluate pathological extraspinal findings and congenital anomalies/anatomical variations that were incidentally detected on the magnetic resonance imaging (MRI) scans of intervertebral discs, to find the frequencies of these incidental findings, and to emphasise the clinical importance of them. A retrospective study including 1031 consecutive patients (730 females ...
Ruytenberg T T C.J. Gorter Center for High Field MRI, Department of Radiology, Leiden University Medical Center, Leiden, The - - 2014
Many MR scans need to be synchronised with external events such as the cardiac or respiratory cycles. For common physiological functions commercial trigger equipment exists, but for more experimental inputs these are not available. This paper describes the design of a multi-purpose open-source trigger platform for MR systems. The heart ...
Riley Geoffrey M GM Department of Radiology, Stanford University, Stanford, California, - - 2014
The concept of femoroacetabular impingement (FAI) has, in a relatively short time, come to the forefront of orthopedic imaging. In just a few short years MRI findings that were in the past ascribed to degenerative change, normal variation, or other pathologies must now be described and included in radiology reports, ...
Law Eric K C EK Department of Imaging & Interventional Radiology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, People's Republic of China, - - 2014
Idiopathic spontaneous intraperitoneal haemorrhage (ISIH), historically known as abdominal apoplexy, is spontaneous haemorrhage due to rupture of an intra-abdominal visceral vessel in the absence of trauma or underlying pathology. It is an exceptionally rare condition, with mostly scattered case reports available. The aim of this study was to describe this ...
Xu Yang Y State Key Laboratory of Medicinal Chemical Biology, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, China. - - 2014
(13)C-engineered carbon quantum dots ((13)C-QDs) were used as magnetic resonance (MR) and fluorescence dual-response probe. The enhanced (13)C-MR signal was observed at 171 ppm from carboxylic and carboxyl carbons in (13)C-QDs with 160-fold improvement on signal-to-noise ratio even when no hyperpolarization was applied, whereas the intrinsic fluorescence of C-QDs was ...
Cheon Miju M From the *Department of Nuclear Medicine, Veterans Health Service Medical Center; and †Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South - - 2014
A 65-year-old male patient was referred for rapid functional decline over 1 month with dysphagia and dysarthria. Past history disclosed left side weakness for 5 years. F FP-CIT PET/CT was performed to evaluate the possibility of pseudobulbar palsy. Images showed a defect in the right posterior putamen that was consistent ...
Sidhu Manavjot S MS From the Department of Cardiovascular Imaging, Cardiac MR PET CT Program, Department of Radiology and Division of Cardiology, Massachusetts General Hospital and Harvard Medical School, Boston, - - 2014
In November 2010, the American College of Cardiology Foundation published revised appropriateness criteria (AC) for cardiac computed tomography (CT). We evaluated adherence to these criteria by providers of different subspecialties at a tertiary referral center. Reports of 383 consecutive patients who underwent clinically indicated cardiac CT from December 1, 2010, ...
Liss Michael A MA Department of Urology, UC San Diego Health System, San Diego, CA; UCSD Moores Cancer Center, La Jolla, - - 2014
To investigate positron emission tomography/computed tomography (PET/CT) preoperative imaging and intraoperative detection of a fluorescent-labeled receptor-targeted radiopharmaceutical in a prostate cancer animal model. Three male beagle dogs underwent an intraprostatic injection of fluorescent-tagged tilmanocept, radiolabeled with both gallium Ga-68 and technetium Tc-99m. One hour after injection, a pelvic PET/CT scan ...
Greenberg Joshua I JI Section of Vascular Surgery and Endovascular Therapy, University of Colorado, Anschutz Medical Campus, Aurora, Colo. Electronic address: - - 2014
Persistent or recurrent symptoms after surgical treatment for neurogenic thoracic outlet syndrome (nTOS) is a problem commonly encountered by high-volume referral centers. The mechanical etiology patterns at reoperation include (1) inadequate previous rib resection, (2) rib regrowth, (3) scar tissue formation, or (4) intact scalene muscle. Reoperative TOS surgery has ...
Miwa Kazuhiro - - 2014
This research paper presents a valid treatment strategy for recurrent glioblastoma multiforme (GBM) using hypofractionated stereotactic radiotherapy by intensity modulated radiation therapy (HS-IMRT) planned with 11C-methionine positron emission tomography (MET-PET) / computed tomography (CT) / magnetic resonance imaging (MRI) fusion. Twenty-one patients with recurrent GBM received HS-IMRT planned by MET-PET/CT/MRI. ...
Lookabaugh Sarah S *Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Boston, MA, U.S.A; †Department of Otology and Laryngology, Harvard Medical School, Boston, MA, U.S.A; ‡Department of Radiology, Massachusetts Eye and Ear Infirmary, Boston, MA, U.S.A; §Department of Radiology, Harvard Medical School, Boston, MA, U.S.A; ∥Department of Radiology, Massachusetts General Hospital, Boston, MA, U.S.A; ¶Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Center, Utrecht, the Netherlands; and #Brain Center Rudolf Magnus, Utrecht, the - - 2014
Surgical access to repair a superior canal dehiscence (SCD) is influenced by the location of the bony defect and its relationship to surrounding tegmen topography as seen on computed tomography. There are currently no agreed-upon methods of characterizing these radiologic findings. We propose a formal radiologic classification system of SCD ...
Sun Baochun B Department of Otolaryngology, The First Affiliated Hospital of PLA General Hospital, Beijing, - - 2014
The aim of this study was to compare genetic predilection and recurrence tendency between facial palsy in Melkersson-Rosenthal syndrome (MRS) and Bell's palsy METHODS: We carried out an investigation on patients with facial palsy in MRS and those with Bell's palsy who visited the outpatient department in our hospital between ...
Wahl Astrid K AK Department of Health Sciences, Institute of Health and Society, the Medical Faculty, University of Oslo, NO-0317 Oslo, Norway. - - 2014
The aim of this study was to investigate the impact of climate therapy on self-management in people with psoriasis. This was a prospective study of 254 adults with chronic psoriasis who participated in a 3-week climate therapy (CT) programme. The 8-scale Health Education Impact Questionnaire (heiQ) was completed at baseline, ...
Gondo Tatsuo T Urology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY, - - 2014
The aim of this study was to assess the diagnostic performance of pre-treatment 3-Tesla (3T) multiparametric magnetic resonance imaging (mpMRI) for predicting Gleason score (GS) downgrading after radical prostatectomy (RP) in patients with GS 3 + 4 prostate cancer (PCa) on biopsy. We retrospectively reviewed 304 patients with biopsy-proven GS 3 + 4 PCa ...
Wong E Mf EM Department of Radiology, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong - - 2014
OBJECTIVES. To describe the thickness of mesorectal fat in local Chinese population and its impact on rectal cancer staging. DESIGN. Case series. SETTING. Two local regional hospitals in Hong Kong. PATIENTS. Consecutive patients referred for multidisciplinary board meetings from January to October 2012 were selected. MAIN OUTCOME MEASURES. Reports of ...
Papastefanou Vasilios P VP Ocular Oncology Service, St Bartholomew's and Moorfields Eye Hospital, London, - - 2014
To correlate the metabolic activity of primary uveal melanoma on positron emission tomography (PET)/CT scan with known clinical and pathological prognostic factors. A retrospective cohort analysis of eyes enucleated for uveal melanoma that underwent preoperative imaging with a PET/CT scan was performed. Tumour dimensions were recorded and classified using Collaborative ...
Matsuoka Shin S Department of Radiology, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-Ku, Kawasaki, Kanagawa 216-8511, Japan. Electronic address: - - 2014
Cross-sectional area <5 mm(2) (CSA<5) is a computed tomography (CT) metric that has been used for the evaluation of pulmonary vessel alterations and perfusion. CSA<5 is calculated from three axial slices; thus, whether CSA<5 represents the small pulmonary vessel alterations in the whole lung remains unclear. The purpose of this study ...
de Freitas Tertulino Franklin F Department of Diagnostic Imaging, Universidade Federal de São Paulo (UNIFESP), São Paulo, - - 2014
To test the use of diffusion-weighted magnetic resonance imaging (DW-MRI) to differentiate between different degrees of severity of acute pancreatitis (AP). Thirty-six patients who underwent DW-MRI and magnetic resonance cholangiopancreatography were divided into patients with mild AP (mAP, n = 15), patients with necrotizing AP (nAP, n = 8), and patients with a normal ...
Bolcaen Julie J Department of Nuclear Medicine, Ghent University Hospital, De Pintelaan 185, 9000, Ghent, - - 2014
Current glioblastoma (GB) small animal models for cranial radiation therapy (RT) use simple single beam technologies, which differ from the advanced conformal image-guided radiation techniques used in clinical practice. This technological disparity presents a major disadvantage for the development of new therapeutic approaches. Hence, we established a F98 GB rat ...
Maurea Simone S Simone Maurea, Pier Paolo Mainenti, Valeria Romeo, Carmine Mollica, Marco Salvatore, Medicina Nucleare e Radiologia, Dipartimento di Scienze Biomediche Avanzate, Università degli Studi di Napoli Federico II (UNINA), 80123 Napoli, - - 2014
To describe the role of nuclear imaging modalities using nor-cholesterol, metaiodobenzylguanidine (MIBG) and fluorine-deoxy-glucose (FDG) in adrenal tumors for lesion characterization in comparison with magnetic resonance (MR). Population was classified in group 1 consisting of 30 patients with non-hypersecreting unilateral adrenal masses, in group 2 consisting of 34 patients with ...
Koga Hiroyuki H Department of Pediatric General and Urogenital Surgery, Juntendo University School of Medicine, Tokyo, 113-8421, Japan, - - 2014
During retroperitoneoscopic renal surgery (RPRS), the open technique (OT) for trocar insertion is always associated with CO2 leakage around the first trocar, while the closed technique (CT) involves advancing an optical trocar into the retroperitoneal space (RS) under direct vision. We are the first to compare OT with CT. Forty-one ...
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