Clinical Applications of DSC-MRI Parameters Assess Angiogenesis and Differentiate Malignant From Benign Soft Tissue Tumors in Limbs.

abstract：RATIONALE AND OBJECTIVES:To report the detection rate for lung cancers in computed tomography (CT) screening in Japanese adults, and to analyze differences in the appearance of the cancers in non-smokers versus smokers. MATERIALS AND METHODS:Subjects consisted of 7,847 Japanese adults who received low-dose CT screenin...

journal_title：Academic radiology

authors： Li F,Sone S,Abe H,MacMahon H,Doi K

更新日期：2003-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the study is to gauge radiology fellowship directors' experiences with the fellowship application process and perceptions of the National Resident Matching Program Radiology Fellowship Match, as well as compare these perceptions with those of senior residents. METHODS AND MATERIALS:...

journal_title：Academic radiology

authors： Shetty SK,Resnik CS

更新日期：2006-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors performed this study to determine whether intrathoracic inoculation of non-small-cell lung carcinoma with fluoroscopic guidance would provide for more accurate implantation. MATERIALS AND METHODS:A tumor cell inoculum (2 x 10(6) cells per 0.15 mL) was injected percutaneously under ...

journal_title：Academic radiology

authors： Hamide JP,Qian Z,Xu H,Diethelm L,Skrepnik N,Castaneda-Zuniga WR,Hunt JD

更新日期：1997-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:This study compared the safety and efficacy of iodixanol with those of ioxaglate in adult patients undergoing aortography or peripheral arteriography. METHODS:Forty-six patients were enrolled in this controlled, randomized, double-blind, two-center study. The patients were monitored for advers...

journal_title：Academic radiology

authors： Rosenblum JD,Siegel EL,Leef J,Eckard DA,Lu CT

更新日期：1996-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Diffraction-enhanced imaging (DEI) is a type of phase contrast x-ray imaging that has improved image contrast at a lower dose than conventional radiography for many imaging applications, but no studies have been done to determine if DEI might be useful for diagnosing lung injury. The goals of t...

journal_title：Academic radiology

authors： Connor DM,Zhong Z,Foda HD,Wiebe S,Parham CA,Dilmanian FA,Cole EB,Pisano ED

更新日期：2011-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Great expertise is necessary to mentally compile a series of individual two-dimensional image sections into a three-dimensional (3D) composite view that can aid in differential diagnosis. The purpose of this study was to test 3D volume-rendering techniques for differentiating congenital cystic ...

journal_title：Academic radiology

authors： Hata N,Wada T,Chiba T,Tsutsumi Y,Okada Y,Dohi T

更新日期：2003-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We investigated the methodologic development of computed microtomography (CMT) for monitoring the development of osteoporosis in male Sprague-Dawley rats. METHODS:Eight rats were gastrectomized and eight rats were sham operated. Femurs, tibias, and tails were prepared, and CMT scans with spati...

journal_title：Academic radiology

authors： Stenström M,Olander B,Carlsson CA,Carlsson GA,Håkanson R

更新日期：1995-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to determine the electronic requirements for supporting evidence-based radiology in today's medical environment. MATERIALS AND METHODS:A software engineering technique, use case modeling, was performed for several clinical settings to determine the use of imaging ...

journal_title：Academic radiology

authors： Bui AA,Taira RK,Dionisio JD,Aberle DR,El-Saden S,Kangarloo H

更新日期：2002-06-01 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：:The quality of medical images must be quantified with reference to specific diagnostic tasks. Image quality is limited by fundamental physics, engineering limitations, radiation safety concerns, and imaging time constraints (among other things). There is now a gold standard for assessing human visual decision performa...

journal_title：Academic radiology

authors： Burgess A

更新日期：1995-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:This study aimed to develop and implement a respiratory-gated setup for dual-source computed tomography (CT) at high pitch to examine patients in a reproducible inspiratory phase. MATERIALS AND METHODS:Twenty-one patients underwent free-breathing respiratory-gated chest CT using a high-pitch s...

journal_title：Academic radiology

authors： Lell MM,Scharf M,Eller A,Wuest W,Allmendinger T,Fuchs F,Achenbach S,Uder M,May MS

更新日期：2016-04-01 00:00:00

abstract：:We discuss the benefits of maintaining an active, rigorous, and highly structured grand rounds (GR) program in an academic radiology department. These benefits include education for faculty (continuing medical education), fellows, and residents and a venue for building collaboration and camaraderie within the departme...

journal_title：Academic radiology

authors： Tridandapani S,Mullins ME,Meltzer CC

更新日期：2012-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To validate the hypothesis that a multisegmented approach during subtraction computed tomography (CT) angiography of the lower extremities can improve bone removal efficiency by suppressing regional motion. MATERIALS AND METHODS:The institutional review board of our hospital approved this retr...

journal_title：Academic radiology

authors： Lee IJ,Chung JW,Hong H,Yin YH,Kim S,Park EA,Lee W

更新日期：2011-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A number of studies have reported decreases in fractional anistropy (FA) in amyotrophic lateral sclerosis using diffusion tensor imaging (DTI). The purpose of this study was to perform a meta-analysis in order to estimate the diagnostic test accuracy measures of DTI for the diagnosis of amyotro...

journal_title：Academic radiology

authors： Foerster BR,Dwamena BA,Petrou M,Carlos RC,Callaghan BC,Pomper MG

更新日期：2012-09-01 00:00:00

abstract：:Hematopoietic malignancies that can be encountered in the breast include lymphoma, leukemia, and multiple myeloma/plasmacytoma. These are readily imaged via [18]F-fluorodeoxyglucose position emission tomography (PET)/computed tomography (CT) and can manifest as unilateral, bilateral, single, multiple, round/oval masse...

journal_title：Academic radiology

authors： Ginat DT,Puri S

更新日期：2010-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Tumor grading of nonfunctional pancreatic neuroendocrine tumors (NF-pNETs) determines the choice of clinical treatment and management. The pathological grade of pancreatic neuroendocrine tumors is usually assessed on postoperative specimens. The goal of our study is to establish a tumor grade (...

journal_title：Academic radiology

authors： Zhao Z,Bian Y,Jiang H,Fang X,Li J,Cao K,Ma C,Wang L,Zheng J,Yue X,Zhang H,Wang X,Madabhushi A,Xu J,Jin G,Lu J

更新日期：2020-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We investigated the influence of muscular activity and regional body temperature changes on the accumulation of intravenously (i.v.) administered, dextran-coated superparamagnetic iron oxide (SPIO) particles in the lymph nodes of rats. METHODS:Four groups of rats (N = 21) were used. Five rats ...

journal_title：Academic radiology

authors： Elste V,Wagner S,Taupitz M,Pfefferer D,Kresse M,Hamm B,Berg R,Wolf KJ,Semmler W

更新日期：1996-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Electron beam angiography is a minimally invasive imaging technique. Adequate vascular opacification throughout the study remains a critical issue for image quality. We hypothesized that vascular image opacification and uniformity of vascular enhancement between slices can be improved using mul...

journal_title：Academic radiology

authors： Budoff MJ,Shinbane JS,Child J,Carson S,Chau A,Liu SH,Mao S

更新日期：2006-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Chest radiographs are recommended for prevention and detection of pneumoconiosis. In 2011, the International Labour Office (ILO) released a revision of the International Classification of Radiographs of Pneumoconioses that included a digitized standard images set. The present study compared res...

journal_title：Academic radiology

authors： Halldin CN,Petsonk EL,Laney AS

更新日期：2014-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Improvements in imaging technology have led to the increased use of computed tomography (CT). For example, micro-CT and quantitative CT (QCT) are now often used in osteoporosis research, in which micro-CT is able to analyze small bones or bone samples with high spatial resolution. In contrast, ...

journal_title：Academic radiology

authors： Sehmisch S,Dullin C,Zaroban A,Tezval M,Rack T,Schmelz U,Seidlova-Wuttke D,Dunkelberg H,Wuttke W,Marten K,Stuermer KM,Stuermer EK

更新日期：2009-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Distinguishing recurrent glial tumor from radiation necrosis can be challenging. The purpose of this pilot study was to preliminarily compare unenhanced arterial spin-labeled (ASL) imaging, dynamic susceptibility contrast-enhanced cerebral blood volume (DSCE-CBV) magnetic resonance imaging, and...

journal_title：Academic radiology

authors： Ozsunar Y,Mullins ME,Kwong K,Hochberg FH,Ament C,Schaefer PW,Gonzalez RG,Lev MH

更新日期：2010-03-01 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:To investigate the performance of diffusion kurtosis imaging (DKI) and diffusion tensor imaging (DTI) in discriminating benign tissue, low- and high-grade prostate adenocarcinoma (PCa). MATERIALS AND METHODS:Forty-eight patients with biopsy-proven PCa of different Gleason grade (GG), who provi...

journal_title：Academic radiology

authors： Di Trani MG,Nezzo M,Caporale AS,De Feo R,Miano R,Mauriello A,Bove P,Manenti G,Capuani S

更新日期：2019-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Diffusion tensor tractography (DTT) for neural fibers of the head-and-neck region at 3T has not been reported. The purpose of this study was to evaluate the feasibility of using DTT for visualizing neural fibers in the head-and-neck region at 3T and to explore the use of this method in patients...

journal_title：Academic radiology

authors： Akter M,Hirai T,Minoda R,Murakami R,Saiki S,Okuaki T,Kitajima M,Fukuoka H,Sasao A,Nishimura S,Yumoto E,Awai K,Yamashita Y

更新日期：2009-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Electronic learning (e-learning) may provide a means to enhance learning efficacy. However, introduction of e-learning often fails. We describe a strategy of how an e-learning curriculum was successfully implemented. MATERIALS AND METHODS:The curriculum was designed based on published evidence...

journal_title：Academic radiology

authors： Gotthardt M,Siegert MJ,Schlieck A,Schneider S,Kohnert A,Gross MW,Schäfer C,Wagner R,Hörmann S,Behr TM,Engenhart-Cabillic R,Klose KJ,Jungclas H,Glowalla U

更新日期：2006-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To determine the diagnostic accuracy of stereotactically and sonographically guided core biopsy (CB) for the diagnosis of nonpalpable breast lesions. MATERIALS AND METHODS:Twenty-two institutions enrolled 2,403 women who underwent imaging-guided fine needle aspiration followed by imaging-guide...

journal_title：Academic radiology

authors： Fajardo LL,Pisano ED,Caudry DJ,Gatsonis CA,Berg WA,Connolly J,Schnitt S,Page DL,McNeil BJ,Radiologist Investigators of the Radiologic Diagnostic Oncology Group V.

更新日期：2004-03-01 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:Mammographic breast density is an important and widely accepted risk factor for breast cancer. A statement about breast density in the mammographic report is becoming a requirement in many States. However, there is significant inter-observer variation between radiologists in their interpretatio...

journal_title：Academic radiology

authors： Heine JJ,Fowler EE,Flowers CI

更新日期：2011-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:This study aimed to describe prenatal and postnatal imaging features and outcomes of neonates with neonatal lymphatic disorders (NLDs). MATERIALS AND METHODS:An institutional review board-approved search of the radiology database for patients with NLD identified five patients. Inclusion criter...

journal_title：Academic radiology

authors： Biko DM,Johnstone JA,Dori Y,Victoria T,Oliver ER,Itkin M

更新日期：2018-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors evaluated two Bayesian regression models for receiver operating characteristic (ROC) curve analysis of continuous diagnostic outcome data with covariates. MATERIALS AND METHODS:Full and partial Bayesian regression models were applied to data from two studies (n = 180 and 100, respe...

journal_title：Academic radiology

authors： Omalley AJ,Zou KH,Fielding JR,Tempany CM

更新日期：2001-08-01 00:00:00