MR imaging of the temporomandibular joint: a validation experiment in vitro.

abstract：:The purpose of this work is to provide current information on the rapidly evolving subject of nephrogenic systemic fibrosis (NSF), to establish the radiologic approach to the management of high-risk patients for NSF, and to assess the probabilistic risk of NSF compared to contrast induced nephropathy (CIN), as encount...

journal_title：Academic radiology

authors： Altun E,Semelka RC,Cakit C

更新日期：2009-07-01 00:00:00

abstract：:Continuous quality improvement methods provide a relatively new way to improve quality in healthcare by using a systems approach with key features of customer-mindedness, data collection, experimentation, and teamwork. CQI is not meant to solve simple problems but is increasingly applied in our complex healthcare orga...

journal_title：Academic radiology

authors： Applegate KE

更新日期：2004-02-01 00:00:00

abstract：:At our institution, we have developed a remediation team of strong, focused experts who help us with struggling learners in making the diagnosis and then coaching on their milestone deficits. It is key for all program directors to recognize struggling residents because early recognition and intervention gives the resi...

journal_title：Academic radiology

authors： Rumack CM,Guerrasio J,Christensen A,Aagaard EM

更新日期：2017-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors performed this study to evaluate whether digitally photographed, computer-annotated MR images produced by clinical radiologists and printed with an inexpensive photo printer are suitable for publication. MATERIALS AND METHODS:Laser prints of 20 magnetic resonance images of the brai...

journal_title：Academic radiology

authors： Caruso RD,Postel GC,McDonald CS,Aronson BA,Christensen JD

更新日期：2002-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Blooming artifact from calcified plaques often renders measurement of stenosis impossible on coronary computed tomographic angiography (CTA). We sought to evaluate the impact of modifying window level on reducing blooming artifact, and its impact on stenosis quantification. MATERIALS AND METHO...

journal_title：Academic radiology

authors： Shmilovich H,Cheng VY,Dey D,Rajani R,Nakazato R,Otaki Y,Nakanishi R,Vashistha V,Min JK,Berman DS

更新日期：2014-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to examine the effects of placing a metal stent across a bronchial orifice. MATERIALS AND METHODS:Nine pigs were used as test subjects, because the right upper lobe bronchus comes directly off the trachea in these animals. One of three types of metal stents was pl...

journal_title：Academic radiology

authors： Bjarnason H,Cahill B,Kløw NE,Han YM,Urness M,Günther R,Gomes MR,Rosenberg MS,Dietz CA Jr,Hunter DW

更新日期：1999-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Cardiovascular (CV) disease is predominately influenced by CV risk factors and coronary computed tomography angiography (CTA) is capable of detecting early-stage coronary artery disease. We sought to determine the influence of CV risk factors on the prevalence of nonobstructive atherosclerosis ...

journal_title：Academic radiology

authors： Bittner DO,Klinghammer L,Marwan M,Schmid J,Layritz C,Hoffmann U,Achenbach S,Pflederer T

更新日期：2017-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A novel ventilation imaging method based on four-dimensional (4D) computed tomography (CT) has been applied to the field of radiation oncology. Understanding its reproducibility is a prerequisite for clinical applications. The purpose of this study was to quantify the reproducibility of 4D CT v...

journal_title：Academic radiology

authors： Yamamoto T,Kabus S,von Berg J,Lorenz C,Chung MP,Hong JC,Loo BW Jr,Keall PJ

更新日期：2012-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVE:Radiology faces a severe and growing shortage of radiologic technologists. One way of redressing this problem is to improve the quality of education provided to radiologic technology students. Yet growing clinical demands increasingly erode faculty time for teaching. This study examined whether ...

journal_title：Academic radiology

authors： Gunderman RB,Fraley R,Jackson V,Robinson S,Williamson K

更新日期：2003-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Catheter-directed intraarterial (IA) injections of gadolinium contrast agents may be used during endovascular interventions with magnetic resonance (MR) imaging guidance. Injection protocols require further validation. Using a flow phantom and swine, the authors aimed to (a) measure the optimal...

journal_title：Academic radiology

authors： Omary RA,Henseler KP,Unal O,Smith RJ,Ryu RK,Resnick SA,Saker MB,Chrisman HB,Frayne R,Finn JP,Li D,Grist TM

更新日期：2002-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We systematically characterized the information provided by chest radiography reports on a nationally representative sample of 822 elderly patients hospitalized in 297 acute-care hospitals in five states who had an admission diagnosis of congestive heart failure, acute myocardial infarction, or...

journal_title：Academic radiology

authors： Sobel JL,Pearson ML,Gross K,Desmond KA,Harrison ER,Rubenstein LV,Rogers WH,Kahn KL

更新日期：1996-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors developed a computerized method for delineating the costophrenic angles in digital posteroanterior chest radiographs to derive quantitative information that allows for detection of abnormal blunting of the costophrenic angle. MATERIALS AND METHODS:An automated lung-segmentation sch...

journal_title：Academic radiology

authors： Armato SG 3rd,Giger ML,MacMahon H

更新日期：1998-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the present study was to examine the usefulness and record the complications of preoperative lipiodol marking using computed tomographic (CT) fluoroscopy for the intraoperative localization of 107 pulmonary nodules. METHODS:Lipiodol marking was performed under CT fluoroscopic guidan...

journal_title：Academic radiology

authors： Kawanaka K,Nomori H,Mori T,Ikeda K,Ikeda O,Tomiguchi S,Yamashita Y

更新日期：2009-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The objective of our study was to determine if the T1-weighted magnetic resonance imaging (MRI) features associated with diabetic pedal osteomyelitis are present in histopathologically proven cases of non-pedal osteomyelitis. MATERIALS AND METHODS:Seventy-five patients with a histopathological...

journal_title：Academic radiology

authors： Howe BM,Wenger DE,Mandrekar J,Collins MS

更新日期：2013-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to determine the optimal arterial phase delay for computed tomography imaging of hepatocellular carcinoma (HCC) before and after transarterial chemoembolization (TACE) using a low iodine dose protocol. MATERIALS AND METHODS:A total of 39 patients with known HCC were i...

journal_title：Academic radiology

authors： Saake M,Lell MM,Eller A,Wuest W,Heinz M,Uder M,Schmid A

更新日期：2015-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Early loss of a sensory modality has been associated with cortical reorganization in both animal models and humans. The purpose of this study was to map visual activation with functional magnetic resonance (MR) imaging and to document possible developmental reorganization in the temporal lobe c...

journal_title：Academic radiology

authors： Shibata DK,Kwok E,Zhong J,Shrier D,Numaguchi Y

更新日期：2001-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Acoustic noise both in terms of its magnitude and frequency during magnetic resonance imaging (MRI) scan is influenced by imaging parameters and pulse sequences. It varies because of many different factors such as structure, materials, and magnetic field strength. The purpose of our study is to...

journal_title：Academic radiology

authors： Hamaguchi T,Miyati T,Ohno N,Hirano M,Hayashi N,Gabata T,Matsui O,Matsushita T,Yamamoto T,Fujiwara Y,Kimura H,Takeda H,Takehara Y

更新日期：2011-01-01 00:00:00

abstract：:Health services research is a field of research that crosses many disciplines. It represents a novel way to address the Accreditation Council for Graduate Medical Education requirements for scholarly activity of residents and faculty in academic radiology departments. In addition to meeting training requirements, it o...

journal_title：Academic radiology

authors： Heilbrun ME,Rawson JV,Shah M

更新日期：2013-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Magnetic resonance (MR) imaging is used to assess brain tumor response to therapies, and a MR quality assurance (QA) program is necessary for multicenter clinical trials employing imaging. This study was performed to determine overall variability of quantitative imaging metrics measured with th...

journal_title：Academic radiology

authors： Mulkern RV,Forbes P,Dewey K,Osganian S,Clark M,Wong S,Ramamurthy U,Kun L,Poussaint TY

更新日期：2008-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Subcutaneous melanomas may be missed on computed tomography because of their peripheral location or perceived unimportance, yet they can have clinical significance. The use of a novel computer-assisted detection scheme to locate subcutaneous melanoma lesions in body CT images was investigated. ...

journal_title：Academic radiology

authors： Solomon J,Mavinkurve S,Cox D,Summers RM

更新日期：2004-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to investigate the effects of exogenous endothelial progenitor cells (EPCs) on the growth and invasiveness of glioma in vivo to provide an experimental basis for the value and safety of using magnetically labeled EPCs as target vectors to detect early infiltration of g...

journal_title：Academic radiology

authors： Fang J,Wang S,Chen J,Zhang Y,Zhang B,Liang H,Zhang W

更新日期：2011-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Most radiographic contrast media are hyperosmotic and able to shrink cells with which they are in contact. The authors studied cell volume control in rabbit proximal renal tubules after incubation with three contrast media: iohexol, ioxaglate, and iodixanol. MATERIALS AND METHODS:Proximal rena...

journal_title：Academic radiology

authors： Galtung HK,Løken M,Sakariassen KS

更新日期：2001-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Skeletal muscle mass measurement is the most important element for diagnosing sarcopenia. MRI has an excellent soft-tissue contrast, which can non-invasively assess abdominal skeletal muscle area (SMA) as well as CT. This study aimed to assess the validity and reliability of abdominal SMA measu...

journal_title：Academic radiology

authors： Wang FZ,Sun H,Zhou J,Sun LL,Pan SN

更新日期：2020-10-28 00:00:00

abstract：RATIONALE AND OBJECTIVES:Describe new interactive digital teaching methods for medical student education in radiology and evaluate student responses. MATERIALS AND METHODS:Third- and fourth-year medical students on radiology clerkship were taught using either film-based "hot seat" format, digital "hot seat," or didact...

journal_title：Academic radiology

authors： Su TJ,Shaffer K

更新日期：2004-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Several methods have been proposed for calculating the variances and covariances of nonparametric estimates of the area under receiver operating characteristic curves (AUC). The authors provide an explanation of the relationships between them and illustrate the factors that determine sampling v...

journal_title：Academic radiology

authors： Hanley JA,Hajian-Tilaki KO

更新日期：1997-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We compared the peritumoral vascular definition in rats using either a paramagnetic extracellular or a macromolecular contrast medium in combination with high-resolution magnetic resonance (MR) imaging. METHODS:High-resolution, three-dimensional spoiled gradient-refocused acquisition in a stea...

journal_title：Academic radiology

authors： Schwickert HC,Stiskal M,van Dijke CF,Roberts TP,Mann JS,Demsar F,Brasch RC

更新日期：1995-10-01 00:00:00

abstract：:As ACGME (Accreditation Council for Graduate Medical Education) requirements have expanded and become increasingly more complex, so has the role of the program coordinator. Over the last decade, the knowledge and skills required to capably administer residency and fellowship training programs have increased in both vo...

journal_title：Academic radiology

authors： Stuckelman J,Zavatchen SE,Jones SA

更新日期：2017-06-01 00:00:00

abstract：:In medicine, an eponym is a word-typically referring to an anatomic structure, disease, or syndrome-that is derived from a person's name. Medical eponyms are ubiquitous and numerous. They are also at times controversial. Eponyms reflect medicine's rich and colorful history and can be useful for concisely conveying com...

journal_title：Academic radiology

authors： Bunch PM

更新日期：2016-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We analyzed multi-institutional data to determine if Step 3 performance tiers can identify radiology residents with increased risk of Core examination failure and submean performance. MATERIALS AND METHODS:We collected Step 3 scores (USMLE Step 3 or COMLEX Level 3) and American Board of Radiol...

journal_title：Academic radiology

authors： Patel MD,Benefield T,Hunt KN,Tomblinson CM,Ali K,DeBenedectis CM,England E,Gaviola GC,Ho CP,Jay AK,Milburn JM,Ong S,Robbins JB,Sarkany DS,Heitkamp DE,Jordan SG

更新日期：2020-08-06 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to measure the effect of distractions, in the form of telephone call interruptions, on radiology resident diagnostic accuracy. MATERIALS AND METHODS:Radiology resident discrepancy reports and reading room telephone logs at an academic tertiary care pediatric hospi...

journal_title：Academic radiology

authors： Balint BJ,Steenburg SD,Lin H,Shen C,Steele JL,Gunderman RB

更新日期：2014-12-01 00:00:00