The retropsoas recess. Demonstration using computed tomography.

abstract：RATIONALE AND OBJECTIVES:To evaluate the changes in the microbubble population of a currently available ultrasound contrast agent (USCA) through attenuation measurements to optimize its clinical use. MATERIALS AND METHODS:The microbubble population from a galactose-based USCA (Levovist, Schering AG, Germany) was chara...

journal_title：Investigative radiology

authors： Correas JM,Kurtisovski E,Bridal SL,Amararene A,Hélénon O,Berger G

更新日期：2002-12-01 00:00:00

abstract：:Frequency spectral analysis of cardiac wall motion as calculated from the recorded video kymogram are demonstrated. Characteristic harmonics following the fundamental frequency of the cardiac rate have been demonstrated to have an alternating sequential energy distribution as measured from the free margin of the left ...

journal_title：Investigative radiology

authors： Silverman NR,Rosen L,Helland DR

更新日期：1975-03-01 00:00:00

abstract：OBJECTIVES:Dynamic contrast-enhanced imaging allows assessing functional information in addition to morphology using various modalities. Several applications have been established in clinical practice; however, there is no standard with respect to injection protocols or postprocessing algorithms. The purpose of this st...

journal_title：Investigative radiology

authors： Brauweiler R,Eisa F,Hupfer M,Nowak T,Kolditz D,Kalender WA

更新日期：2012-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Studies describing the effects of radiographic contrast media (RCM) in leukocyte chemotaxis have been contradictory. No studies have been performed after in-vivo exposure. The authors assess the effect of RCM on leukocytes following in-vivo exposure. METHODS:Seventeen patients were studied aft...

journal_title：Investigative radiology

authors： Roobottom CA,Farrow R,Wells IP,Hurlock-Fimls N

更新日期：1994-01-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to determine the gadolinium (Gd) concentration remaining in human bone tissue after administration of standard clinical doses of 2 Gd-based contrast agents: ProHance and Omniscan. MATERIALS AND METHODS:After administration of 0.1 mmol/kg of Gd chelate to patients undergoing hi...

journal_title：Investigative radiology

authors： White GW,Gibby WA,Tweedle MF

更新日期：2006-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To study cellular mechanisms that cause contrast media nephropathy, an in vitro system for proximal and distal tubular cells has been established to evaluate the influence of x-ray contrast media on tubular function. METHODS:Confluent cell cultures of the two renal cell lines, proximal tubule ...

journal_title：Investigative radiology

authors： Andersen KJ,Christensen EI,Vik H

更新日期：1994-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors determine the value of contrast-enhanced, three-dimensional (3D) magnetic resonance angiography (MRA) in the assessment of the renal arteries in comparison with conventional arteriography (CA). METHODS:One hundred three patients (71 m, 32 f) were evaluated with both CA and 3D MRA. ...

journal_title：Investigative radiology

authors： Hany TF,Leung DA,Pfammatter T,Debatin JF

更新日期：1998-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To assess the potential of magnetic resonance imaging (MRI) for evaluating the evolution of tumor necrosis, the authors evaluated 28 VX2 carcinomas inoculated in the thigh muscles of rabbits. METHODS:MRI of VX2 carcinomas at 2.0 T was done with spin-echo technique 1 week (14 tumors) and 3 week...

journal_title：Investigative radiology

authors： Choi BI,Lee DH,Han MC

更新日期：1993-01-01 00:00:00

abstract：:A considerable amount of concern has been felt recently for the risk of carcinogenesis from x-rays to scoliosis patients. This paper re-evaluates risk in quantitative terms by using some data measured by us and other data recently published in the literature. The risks are considerably smaller than had been estimated ...

journal_title：Investigative radiology

authors： Rao PS,Gregg EC

更新日期：1984-01-01 00:00:00

abstract：:Computed tomography followed by sectional radiography and photography as performed on eight cadaveric specimens in order to define the anatomy and normal motion of both the proximal and the distal radioulnar articulations. Osseous landmarks were defined that allowed measurement of rotation at the glenohumeral, proxima...

journal_title：Investigative radiology

authors： Cone RO,Szabo R,Resnick D,Gelberman R,Taleisnik J,Gilula LA

更新日期：1983-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Very small dextran-coated magnetite particles were developed. These particles can be used either as immunospecific contrast agents for MRI by coupling to antibodies or as an interstitial contrast agent. METHODS:The particles were synthesized from iron chloride/dextran solutions. Size was evalu...

journal_title：Investigative radiology

authors： Grimm J,Karger N,Lüsse S,Winoto-Morbach S,Krisch B,Müller-Hülsbeck S,Heller M

更新日期：2000-09-01 00:00:00

abstract：OBJECTIVES:Volumetric magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) is a completely noninvasive image-guided thermal ablation technique. Recently, there has been growing interest in the use of MR-HIFU for noninvasive ablation of malignant tumors. Of particular interest for noninvasive ablation...

journal_title：Investigative radiology

authors： Wijlemans JW,Deckers R,van den Bosch MA,Seinstra BA,van Stralen M,van Diest PJ,Moonen CT,Bartels LW

更新日期：2013-06-01 00:00:00

abstract：:An agent has been identified in lymph from rat kidneys rendered ischemic by partial renal artery occlusion that induces a striking neovascular response in a hamster cheek-pouch assay system. The factor has a high molecular weight, cannot be identified in lymph from normal kidneys, and is associated with a marked incre...

journal_title：Investigative radiology

authors： Hollenberg NK,Paskins-Hurlburt AJ,Abrams HL

更新日期：1985-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVE:The authors performed a retrospective study in ultrasound to investigate new aspects in the sonomorphology of lymph node metastases of the neck. In this study, it could be demonstrated the first time that the histologic characteristics of the metastases determine the sonographic appearance. In a...

journal_title：Investigative radiology

authors： Mäurer J,Willam C,Steinkamp HJ,Knollmann FD,Felix R

更新日期：1996-09-01 00:00:00

abstract：:Surgical resection is the standard of care for colorectal metastases isolated to the liver. However, only 10-25% of the patients are eligible for resection because of extent and location of the disease in the liver or concurrent medical conditions. Image-guided radiofrequency (RF) ablation is a minimally invasive tech...

journal_title：Investigative radiology

authors： Lencioni R,Crocetti L,Cioni D,Della Pina C,Bartolozzi C

更新日期：2004-11-01 00:00:00

abstract：:Video dilution technique (VDT) is currently performed in conjunction with routine cerebral angiography to determine carotid blood flow in humans. Preliminary results indicate that the blood flows (as a percentage of cardial output) of the common, internal, and external carotid arteries are 8.5%, 5.5%, and 3.0%, respec...

journal_title：Investigative radiology

authors： Lantz BM,Dublin AB,McGahan JP,Link DP

更新日期：1981-05-01 00:00:00

abstract：:The authors reexamined a suspected difference in the effects of clinical information upon detection of nodules vs. more diverse lesions by directly incorporating classification specificity into detection ROC analysis. Categorical prompts, correct for specific abnormalities, led to detection superior to unprompted read...

journal_title：Investigative radiology

authors： Berbaum KS,Franken EA Jr,Dorfman DD,Barloon TJ

更新日期：1988-01-01 00:00:00

abstract：:Observer performance in radiologic interpretation has traditionally been based upon Receiver Operating Characteristic (ROC) analysis. A statistical method that evaluates the reproducibility or consistency of radiologic interpretation is presented. Since this method is not based upon pathologic verification, it cannot ...

journal_title：Investigative radiology

authors： Herman S,DeBoer G,Rideout DF,Majesky IF

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:We aimed to determine whether diffusion-weighted magnetic resonance imaging, by means of the apparent diffusion coefficient (ADC), is able to guide magnetic resonance-guided biopsy in patients fit for active surveillance (AS) and identify patients harboring high-grade Gleason components not suitable for AS. MA...

journal_title：Investigative radiology

authors： Somford DM,Hoeks CM,Hulsbergen-van de Kaa CA,Hambrock T,Fütterer JJ,Witjes JA,Bangma CH,Vergunst H,Smits GA,Oddens JR,van Oort IM,Barentsz JO,MR-PRIAS Collaboration Group.

更新日期：2013-03-01 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：:Because of a need to correlate pulmonary microvascular changes with physiologic data during lung injury, in vitro and in vivo pulmonary capillary microangiography was performed on normal dogs and those subjected to oleic acid injury and glass bead microembolization. During these studies, no significant differences wer...

journal_title：Investigative radiology

authors： Clark RL,Friedman M,Kwock L,Zaremba J

更新日期：1983-01-01 00:00:00

abstract：:Twenty-six patients who had received 43 grafts were studied before and after coronary artery vein bypass surgery. Cine ventriculograms taken in the right anterior oblique projection were analyzed and regional ejection fractions calculated. Single and multiple grafts were considered separately as were thrombosed and pa...

journal_title：Investigative radiology

authors： Martin EC,Wixson D,Baltaxe HA

更新日期：1977-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors investigated whether the ability of human malignant melanoma cells to increase in cell number or their ability to remain viable was compromised by high-field strength static magnetic fields. Normal human fibroblasts also were studied to determine if any magnetic field-related altera...

journal_title：Investigative radiology

authors： Short WO,Goodwill L,Taylor CW,Job C,Arthur ME,Cress AE

更新日期：1992-10-01 00:00:00

abstract：:A nonionic contrast medium (iohexol) was evaluated for safety and efficacy in pediatric angiocardiography in this study of 15 patients, age 6 to 82 months. Patients carried a preliminary diagnosis of congenital heart disease. Subjects were injected with iohexol, 350 mg iodine/ml of solution with an average volume of 2...

journal_title：Investigative radiology

authors： Carlsson EC,Rudolph A,Stanger P,Teitel D,Weber W,Yoshida H

更新日期：1985-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate the short-term effects of a new nitinol stent on canine arteries. METHODS:Eighteen nitinol mesh stents were placed in abdominal aortas, common iliac arteries, and renal arteries of six dogs. Angiography was performed to evaluate the patency rates and structural changes of arteries ...

journal_title：Investigative radiology

authors： Lee KW,Park JH,Chung JW,Kim WS,Lee W,Yeon KM

更新日期：1999-05-01 00:00:00

abstract：:Biplane angiocardiography has emerged as a standard method for calculating left ventricular volume measurements. Validation of such measurements has separately been made for several projections of silicone casts of the left ventricle. This study was undertaken to establish and compare the regression lines for left ven...

journal_title：Investigative radiology

authors： Lipton MJ,Hayashi TT,Davis PL,Carlsson E

更新日期：1980-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To analyze changes in Doppler ultrasound variables of the portal vein in relation to liver biopsy findings, the authors performed a prospective study of 316 Doppler ultrasound examinations in the first 2 weeks after orthotopic liver transplantation on 23 patients. METHODS:Recordings were obtai...

journal_title：Investigative radiology

authors： Kok T,Slooff MJ,Peeters PM,Zwaveling JH,Bijleveld CM,Gi-van Loon CE,Klompmaker IJ,Haagsma EB

更新日期：1996-12-01 00:00:00

abstract：:The microangiographic anatomy of the cat's eye is presented. The characteristic vascular pattern of each of the three distinct circulations, retinal choroidal, and ciliary is described and illustrated. ...

journal_title：Investigative radiology

authors： Rothman SL,Kier EL,Deuker DK

更新日期：1975-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Iopromide is a new monomeric, nonionic contrast agent that exhibits low osmolality and low viscosity in high concentration in aqueous solutions. Double-blind, randomized clinical trials have established the efficacy, safety, and tolerance of iopromide for excretory urography, coronary angiograp...

journal_title：Investigative radiology

authors： Goldberg SN,Abrahams J,Drayer BP,Golding S,Bernardino M,Brunetti J

更新日期：1994-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to assess the diagnostic value and safety of the contrast agent gadoterate meglumine (Gd-DOTA, DOTAREM, Guerbet, Roissy CdG Cedex, France) in the setting of a postmarketing surveillance study. MATERIALS AND METHODS:Between January 2004 and October 2005, radiologists in 61 radiol...

journal_title：Investigative radiology

authors： Herborn CU,Honold E,Wolf M,Kemper J,Kinner S,Adam G,Barkhausen J

更新日期：2007-01-01 00:00:00