A silicone gel phantom suitable for multimodality imaging.

abstract：:A method of teaching radiology residents by identification of general and specific objectives to be accomplished during each time segment of the four-year training program has been developed. The objectives are incorporated into an educational contract that is signed by the resident and rotation director at the beginn...

journal_title：Investigative radiology

authors： Howland WJ,Marler D,Bosshart D

更新日期：1986-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of the study was to evaluate the effect of articular fluid distention on patellar position at different degrees of knee angulation. METHODS:Patellar position in 10 cadaveric knee specimens was determined with 30, 100, and 200 mm Hg joint distention at 45, 20, and 5 degrees of knee ...

journal_title：Investigative radiology

authors： Brossmann J,Koch S,Schwarzenberg H,Link J,Muhle C,Bull CC,Heller M

更新日期：1996-02-01 00:00:00

abstract：:The residency program at the University of Pennsylvania offers a 1-month fellowship for senior residents in medical student education. Instructional philosophy, methods, and content are discussed, observed, practiced, and evaluated. Close supervision and immediate feedback provide training particularly needed by futur...

journal_title：Investigative radiology

authors： Troupin RH

更新日期：1990-06-01 00:00:00

abstract：OBJECTIVES:Comparison of intravenous Fenestra VC-enhanced computed tomography (CT) with gadopentetate dimeglumine and Ferucarbotran contrast-enhanced magnetic resonance imaging (MRI) for the in vivo imaging of hepatic ischemia/reperfusion injury (IRI) in a murine model. MATERIAL AND METHODS:After induction of hepatic ...

journal_title：Investigative radiology

authors： Choukèr A,Lizak M,Schimel D,Helmberger T,Ward JM,Despres D,Kaufmann I,Bruns C,Löhe F,Ohta A,Sitkovsky MV,Klaunberg B,Thiel M

更新日期：2008-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The ventral sacroiliac ligament (VSL), which bridges the sacroiliac (SI) joint anteriorly, has been described as an important stabilizing structure of the joint, but no data exist regarding its assessment with routine and advanced imaging methods. The authors determine the imaging appearance of...

journal_title：Investigative radiology

authors： Jaovisidha S,Ryu KN,De Maeseneer M,Haghighi P,Goodwin D,Sartoris DJ,Resnick D

更新日期：1996-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:This study was conducted to determine whether significant reduction in radiation dose (250 mAs-->50 mAs), in chest computed tomography (CT) using volume acquisition affects image quality or the detectability of pathologic findings in the lung and mediastinum. METHODS:Phantom studies were condu...

journal_title：Investigative radiology

authors： Takahashi M,Maguire WM,Ashtari M,Khan A,Papp Z,Alberico R,Campbell W,Eacobacci T,Herman PG

更新日期：1998-02-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to quantify image quality gains of a moving coronary plaque phantom using dual-source computed tomography (DSCT) providing 83 milliseconds temporal resolution in direct comparison to 64 slice single-source multidetector CT (MDCT) with a temporal resolution of 165 milliseconds. MATE...

journal_title：Investigative radiology

authors： Reimann AJ,Rinck D,Birinci-Aydogan A,Scheuering M,Burgstahler C,Schroeder S,Brodoefel H,Tsiflikas I,Herberts T,Flohr T,Claussen CD,Kopp AF,Heuschmid M

更新日期：2007-03-01 00:00:00

abstract：:The biliary and urinary excretion of sodium tyropanoate (Bilopaque) and sodium ipodate (Oragrafin) were studied in unanesthetized bile-fistula dogs using stepwise, increasing, intravenous infusions of the contrast materials. A constant intravenous infusion of sodium taurocholate was administered at the rate of either ...

journal_title：Investigative radiology

authors： Berk RN,Loeb PM,Cobo-Frenkel A,Barnhart JL

更新日期：1977-01-01 00:00:00

abstract：OBJECTIVES:The objectives of this study were to assess the feasibility of magnetic resonance cholangiography (MRC) using biliary-secreted gadoxetic acid at 7 T and to compare it with T2-weighted (w) MRC at 3 T. MATERIALS AND METHODS:Ten healthy volunteers were examined on a 7-T whole-body magnetic resonance system. T2...

journal_title：Investigative radiology

authors： Fischer A,Kraff O,Orzada S,Nensa F,Schäfer LC,Ladd ME,Umutlu L,Lauenstein TC

更新日期：2014-05-01 00:00:00

abstract：:Even though we have made much progress over the last decade, much still needs to be done. I am personally very pleased with the excellent management and authority of my coauthor, Joe Frank, in assuming the Acting Directorship of our DRRP. You will be hearing more from him in the immediate future about this research pr...

journal_title：Investigative radiology

authors： Putman CE,Frank JA

更新日期：1993-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors detect activation in the auditory cortex during cochlear electrical stimulation in deaf patients using functional magnetic resonance (MR) imaging. METHODS:Stimulating electrode was inserted gently under local anesthesia close to the round window membrane of the cochlea in seven coc...

journal_title：Investigative radiology

authors： Berthezène Y,Truy E,Morgon A,Giard MH,Hermier M,Franconi JM,Froment JC

更新日期：1997-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors differentiate acute tubular necrosis from transplant rejection in patients with delayed kidney graft function using gadolinium (Gd)-DTPA enhanced magnetic resonance (MR) imaging. METHODS:Twenty-four patients after renal transplantation (10 with normal graft function, 14 with delaye...

journal_title：Investigative radiology

authors： Preidler KW,Szolar D,Schreyer H,Ebner F,Kern R,Holzer H,Horina JH

更新日期：1996-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors used gadolinium (Gd) chelate as a T1, T2, and T2* enhancing agent in reperfused myocardial infarction to compare the appearance of reperfused myocardial infarction on spin echo and gradient echo magnetic resonance (MR) sequences. METHODS:Rats (n = 28) were subjected to reperfused m...

journal_title：Investigative radiology

authors： Geschwind JF,Saeed M,Wendland MF,Higgins CB

更新日期：1998-07-01 00:00:00

abstract：OBJECTIVES:To test the technique and feasibility of translating tumor suspicious region maps in the prostate, obtained by multimodality, anatomic, and functional 3T magnetic resonance imaging (MRI) data to 32-channel coil, T2-weighted (T2-w), 3T MR images, for directing MR-guided biopsies. Furthermore, to evaluate the ...

journal_title：Investigative radiology

authors： Hambrock T,Fütterer JJ,Huisman HJ,Hulsbergen-vandeKaa C,van Basten JP,van Oort I,Witjes JA,Barentsz JO

更新日期：2008-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Diabetic patients frequently suffer contrast media-induced nephropathy. Hyperglycemia in diabetes mellitus causes gradual deterioration of glomerular mesangial cells (MCs) in the kidney. In this study, the authors investigated the response of rat MCs cultured in high-glucose medium to diatrizoa...

journal_title：Investigative radiology

authors： Wasaki M,Sugimoto J,Shirota K

更新日期：2001-07-01 00:00:00

abstract：:Renal arteriography gives a reliable anatomic delineation of the renal vasculature. However, the presence of renal arterial disease does not determine the physiologic significance of the lesion. The intravenous infusion of saralasin, a specific angiotensin II antagonist, has been investigated as a method for identify...

journal_title：Investigative radiology

authors： Tegtmeyer CJ,Latour EA,Vaughan ED Jr,Ayers CR,Carey RM,Wellons HA Jr

更新日期：1977-11-01 00:00:00

abstract：BACKGROUND:Gadolinium leakage in ocular structures (GLOS) was recently observed in fluid-attenuated inversion recovery (FLAIR) images obtained the day after an initial gadolinium injection in stroke patients. The specificity of GLOS to stroke and its mechanisms remain unclear. OBJECTIVE:We investigated the factors ass...

journal_title：Investigative radiology

authors： Galmiche C,Moal B,Marnat G,Sagnier S,Schweitzer C,Dousset V,Sibon I,Tourdias T

更新日期：2021-01-19 00:00:00

abstract：INTRODUCTION:The aim of the present study was to evaluate the potential of high-resolution MRI at 2 Tesla (T) for direct noninvasive imaging of the aortic wall in a mouse model of atherosclerosis. MATERIAL AND METHODS:A specific mouse antenna was developed and sequence parameters were adjusted. T(1)- and T2-weighted i...

journal_title：Investigative radiology

authors： Chaabane L,Soulas EC,Contard F,Salah A,Guerrier D,Briguet A,Douek P

更新日期：2003-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the study was to examine the effects of azelastine on proliferation, clonogenic activity, cell-cycle, and migration of human aortic smooth-muscle cells (haSMCs) in vitro. METHODS:HaSMCs were treated for 4 days with azelastine (1 micromol/L, 25 micromol/L, 50 micromol/L). Half of the...

journal_title：Investigative radiology

authors： Schöber W,Wiskirchen J,Kehlbach R,Gebert R,Rodegerdts E,Betsch A,Johst U,Feuls R,Claussen CD,Duda SD

更新日期：2002-05-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to investigate if pancreatic steatosis measured by proton density fat fraction (PDFF) is associated with exocrine pancreatic function defined by fecal elastase concentrations. MATERIALS AND METHODS:A total of 1458 volunteers (777 women; age range, 21-88 years) underwent magnetic re...

journal_title：Investigative radiology

authors： Kromrey ML,Friedrich N,Hoffmann RT,Bülow R,Völzke H,Weiss FU,Lerch MM,Motosugi U,Kühn JP

更新日期：2019-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate the efficacy of oral administration of cilostazol, an antithrombotic agent, for the prevention of thrombotic occlusion and intimal hyperplasia after stenting. METHODS:Single-bodied Z-stents were placed in the iliac arteries of 23 dogs. Before stenting, an embolizing coil was introd...

journal_title：Investigative radiology

authors： Kubota Y,Kichikawa K,Uchida H,Maeda M,Nishimine K,Makutani S,Sakaguchi S,Yoshioka T,Ohishi H,Kimura Y

更新日期：1995-09-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to evaluate the potential of iterative metal artifact reduction (IMAR) for the improvement of computed tomography (CT)-based position emission tomography (PET) attenuation correction in the vicinity of metal implants and compare it with dual-energy-based metal artifact reduction stra...

journal_title：Investigative radiology

authors： Schabel C,Gatidis S,Bongers M,Hüttig F,Bier G,Kupferschlaeger J,Bamberg F,la Fougère C,Nikolaou K,Pfannenberg C

更新日期：2017-01-01 00:00:00

abstract：:A new technique for the noninvasive measurement of an index of renal blood flow is described. The method utilizes ultrasound determined renal volume and radionuclide assessment of the mean transit time of a pertechnetate bolus through the kidneys. From this information a value for flow is calculated according to compa...

journal_title：Investigative radiology

authors： Powers TA,Rees RS,Bowen RD

更新日期：1983-07-01 00:00:00

abstract：:Flow measurements can be made with computed tomography (CT) scanners using iodinated, nonionic contrast media as a first-pass indicator. Ultrafast CT (UFCT) is an ideal machine to make these measurements because of its short scan time (50 mseconds) and interscan delay (< or = 0.6 seconds). Additionally, UFCT can acqui...

journal_title：Investigative radiology

authors： Gould RG

更新日期：1992-12-01 00:00:00

abstract：OBJECTIVES:To evaluate the potential of quantitative assays of vascular characteristics based on dynamic contrast-enhanced magnetic resonance imaging (MRI) using a macromolecular contrast medium (MMCM) to search for and measure effects of dimethyl sulfoxide (DMSO) on cancer vasculature with microscopic correlations. M...

journal_title：Investigative radiology

authors： Cyran CC,Sennino B,Chaopathomkul B,Fu Y,Rogut V,Shames DM,Wendland MF,McDonald DM,Brasch RC

更新日期：2008-05-01 00:00:00

abstract：OBJECTIVES:The safety of nonionic contrast agents with that of ionic iodinated contrast agents in children is compared. METHODS:A comprehensive literature search was conducted to identify all publications on the safety profile of nonionic contrast agents administered intravenously to children. This information was com...

journal_title：Investigative radiology

authors： Cohen MD

更新日期：1993-11-01 00:00:00

abstract：:The use of microbubble contrast agents for general tissue delineation and perfusion enjoys steady interest in ultrasound imaging. Microbubbles as contrast materials require a small dosage and show excellent detection sensitivity. Targeting ligands on the surface of microbubbles permit the selective accumulation of the...

journal_title：Investigative radiology

authors： Klibanov AL

更新日期：2006-03-01 00:00:00

abstract：:The developing trend for all medical images to be in digital form raises an important question: should diagnostic interpretations be made directly from a CRT or from some form of hard copy recording of the CRT? This question was studied by having two observers read a series of digital images of the thyroid including b...

journal_title：Investigative radiology

authors： Keyes JW Jr,Kline RC,Resinger WW,Rose EA,Koral KF,Rogers WL

更新日期：1983-05-01 00:00:00

abstract：:Post-angioplasty restenosis (PARS) in atherosclerotic lesions of medium and small arteries occurs in about one-third of cases in the first year following percutaneous transluminal angioplasty (PTA) (early PARS). PARS includes acute spasm, dissection with reclosure, elastic recoil, fibrocellular proliferative response,...

journal_title：Investigative radiology

authors： Becker GJ,Lee BI,Waller BF,Barry KJ,Kaplan J,Connolly R,Dreesen RG,Nardella P

更新日期：1988-11-01 00:00:00

abstract：OBJECTIVE:There is little published information regarding the efficacy of paclitaxel-coated balloon catheters except for the iopromide-containing formulation, and less is known about the kind of toxicity at overdose. The aim of our study was to assess 2 different paclitaxel matrix formulations on angioplasty balloon ca...

journal_title：Investigative radiology

authors： Kelsch B,Scheller B,Biedermann M,Clever YP,Schaffner S,Mahnkopf D,Speck U,Cremers B

更新日期：2011-04-01 00:00:00