Increased urine histamine and contrast media reactions.

abstract：OBJECTIVES:The aim of this study was to conduct a radiopathologic evaluation of right-angled traction bronchiectasis to differentiate idiopathic pulmonary fibrosis (IPF) without honeycombing from idiopathic nonspecific interstitial pneumonia (NSIP). MATERIALS AND METHODS:The derivation cohort included 78 consecutive p...

journal_title：Investigative radiology

authors： Kim H,Yoon SH,Lee HJ,Song SG,Koh J,Jeon YK,Chae KJ,Jin GY,Jin KN,Lee KY,Goo JM

更新日期：2020-06-01 00:00:00

abstract：OBJECTIVES AND RATIONALE:Negative enhancement of implanted liver tumors has been achieved in preclinical studies on manganese dipyridoxal-diphosphate (Mn-DPDP), a new hepatobiliary specific contrast agent for magnetic resonance imaging (MRI). The authors investigated the effects of Mn-DPDP on primary liver cancer and i...

journal_title：Investigative radiology

authors： Ni Y,Marchal G,Zhang X,Van Hecke P,Michiels J,Yu J,Rummeny E,Lodemann KP,Baert AL

更新日期：1993-06-01 00:00:00

abstract：:Skeletal abnormalities have been reported on numerous occasions in patients who have received high doses of vitamin A and its derivatives. Recently, a new derivative, isotretinoin (Accutane, Hoffman-LaRoche, Inc.), has become available for the treatment of cystic acne. Ninety-six patients treated for a minimum of four...

journal_title：Investigative radiology

authors： Kilcoyne RF,Cope R,Cunningham W,Nardella FA,Denman S,Franz TJ,Hanifin J

更新日期：1986-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The vascular opacification characteristics of a new nonionic, dimeric contrast agent, iodixanol, have been compared with a nonionic, monomeric agent, iohexol, using ultrafast computed tomography (UFCT). METHODS:In 10 experiments with mongrel dogs, the contrast agents were alternately injected ...

journal_title：Investigative radiology

authors： Gould R,Brasch RC,Sievers R,Baxter A,Aicher K

更新日期：1992-12-01 00:00:00

abstract：OBJECTIVES:Pancreatic ductal adenocarcinoma (PDAC) is a very aggressive tumor with a very low 5-year survival rate of 8%. The aims of this study are to determine reference values and physiologic confounders in healthy pancreas and to assess the diagnostic accuracy of ultrasound time-harmonic elastography (THE) in the d...

journal_title：Investigative radiology

authors： Burkhardt C,Tzschätzsch H,Schmuck R,Bahra M,Jürgensen C,Pelzer U,Hamm B,Braun J,Sack I,Marticorena Garcia SR

更新日期：2020-05-01 00:00:00

abstract：:Pyrroxamide [N-(1-hydroxymethyl-2,3-dihydroxypropyl)-2,2,5,5-tetramethyl pyrrolidine-1-oxyl-3-carboxyamide] is a newly tested nonionic monomeric nitroxyl compound with demonstrated effectiveness for MRI contrast enhancement at doses as low as 10(-3) M. Pyrroxamide and its hydroxylamine metabolic derivative were tested...

journal_title：Investigative radiology

authors： Gordon DG,Brasch RC,Ogan MD,Deen D

更新日期：1988-08-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to evaluate the effect of structured reports (SRs) in comparison to nonstructured, free-text (FT) rectal magnetic resonance imaging (MRI) reports in patients with histologically proven rectal cancer and potential effects of both types of reporting on referring surgeons' satisfaction...

journal_title：Investigative radiology

authors： Nörenberg D,Sommer WH,Thasler W,DʼHaese J,Rentsch M,Kolben T,Schreyer A,Rist C,Reiser M,Armbruster M

更新日期：2017-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The object of this study was to determine by flow cytometry the cellular and DNA content of the washings of core biopsy samples and needles obtained during stereotactic core biopsies of clinically occult suspicious lesions. METHODS:Fourteen-gauge core multipass biopsy inner-needle saline washi...

journal_title：Investigative radiology

authors： Stomper PC,Budnick RM,Stewart CC

更新日期：1998-01-01 00:00:00

abstract：:We have examined the metabolic behavior of several triiodobenzoic acid derivatives because of the observed mutagenicity and cytotoxicity of 3-amino-5-acetamido-2,4,6-triiodobenzoate (I) and 3,5-diamino-2,4,6-triiodobenzoate (II). Measurements were facilitated using iodine-131 (131I)-labeled compounds. Drug retention i...

journal_title：Investigative radiology

authors： Weiss R,Hsu B,Wheeler L,Norman A,Riley RF

更新日期：1981-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors studied the long-term distribution of gadolinium (Gd) in mice and rats after the administration of four commercially available magnetic resonance imaging contrast media. The goals were to determine any possible product dissociation in vivo and to evaluate the effects that product ex...

journal_title：Investigative radiology

authors： Tweedle MF,Wedeking P,Kumar K

更新日期：1995-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors studied the incidence and distribution of orthopedic injuries sustained in Operation Desert Shield and Desert Storm by evaluating whether existing diagnostic imaging modalities were sufficient to diagnose the types of musculoskeletal injuries incurred. The authors also sought to det...

journal_title：Investigative radiology

authors： Truax AL,Chandnani VP,Chacko AK,Gonzalez DM

更新日期：1997-03-01 00:00:00

abstract：OBJECTIVES:To investigate image quality and interstudy reproducibility of aortic atherosclerosis imaging at 1.5 T, and to explore the impact of parallel imaging techniques at 3 T. MATERIALS AND METHODS:Institutional review board approval and informed consent were obtained. Thirty-two subjects (20 normal, 12 patients w...

journal_title：Investigative radiology

authors： Maroules CD,McColl R,Khera A,Peshock RM

更新日期：2008-09-01 00:00:00

abstract：:A series of 5-hydroxyacylamino-2,4,6-triiodo-N,N'-hydroxy-alkyl-isophtalamides was prepared in order to study the structural requirements for high water solubility and low toxicity. Among the amides substituted by 2-hydroxyethyl; 2,3-dihydroxypropyl; 1,3-dihydroxypropyl-; and 1,1-dihydroxy-methyl-2-oxyethyl- groups, t...

journal_title：Investigative radiology

authors： Pitrè D,Felder E

更新日期：1980-11-01 00:00:00

abstract：:Ionic (diatrizoate, ioxaglate) and nonionic (iohexol, iosimide, iopromide, and iotrolan) contrast media (CM) were evaluated for their cytogenetic effects in lymphocytes. Heparinized blood was mixed with culture medium RPMI-1640 supplemented with phytohemagglutinin, fetal calf serum, and antibiotics. Plastic tubes cont...

journal_title：Investigative radiology

authors： Parvez Z,Kormano M,Moncada R,Eklund R

更新日期：1986-11-01 00:00:00

abstract：OBJECTIVES:This clinical study investigated the pharmacokinetics and safety of gadobutrol, a magnetic resonance (MR) imaging extracellular contrast agent, in pediatric patients aged 2 to 17 years. MATERIALS AND METHODS:In this open-label, multicenter study, patients scheduled for routine contrast-enhanced MR imaging o...

journal_title：Investigative radiology

authors： Hahn G,Sorge I,Gruhn B,Glutig K,Hirsch W,Bhargava R,Furtner J,Born M,Schröder C,Ahlström H,Kaiser S,Moritz JD,Kunze CW,Shroff M,Stokland E,Trnkova ZJ,Schultze-Mosgau M,Reif S,Bacher-Stier C,Mentzel HJ

更新日期：2009-12-01 00:00:00

abstract：:Radiation dose in computed tomography (CT) has become a hot topic due to an upward trend in the number of CT procedures worldwide and the relatively high doses associated with these procedures. The main aim of this review article is to provide an overview of the most frequently used metrics for CT radiation dose chara...

journal_title：Investigative radiology

authors： Damilakis J

更新日期：2021-01-01 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 compare technical aspects and neointima formation of a new Nitinol stent and a Wallstent. METHODS:A Nitinol sten and a Wallstent were placed into the iliac arteries of 14 sheep (total of 28 stents) and followed angiographically. Seven sheep were killed after 1 month and 7 after 4.5 months. ...

journal_title：Investigative radiology

authors： Schürmann K,Vorwerk D,Kulisch A,Stroehmer-Kulisch E,Biesterfeld S,Stopinski T,Günther RW

更新日期：1995-07-01 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：:Although general suggestions have been made regarding a radiology residency curriculum, no specific list of entities has been offered. Over the past ten years, we have developed a resident-run morning conference in musculoskeletal radiology that is supervised by faculty and covers a specific curriculum. We offer our c...

journal_title：Investigative radiology

authors： Renfrew DL,el-Khoury GY,Moore TE,Kathol MH,Whitten CG,Walker CW,Fraser-Hill MA

更新日期：1991-11-01 00:00:00

abstract：OBJECTIVES:The objective of this study was to evaluate the frequency and characteristics of artifacts in segmentation-based attenuation correction maps (μ-maps) of positron emission tomography/magnetic resonance (PET/MR) and their impact on PET interpretation and the standardized uptake value (SUV) quantification in no...

journal_title：Investigative radiology

authors： Brendle C,Schmidt H,Oergel A,Bezrukov I,Mueller M,Schraml C,Pfannenberg C,la Fougère C,Nikolaou K,Schwenzer N

更新日期：2015-05-01 00:00:00

abstract：OBJECTIVES:X-ray computed tomography (CT) using phase contrast can provide images with greatly enhanced soft-tissue contrast in comparison to conventional attenuation-based CT. We report on the first scan of a human specimen recorded with a phase-contrast CT system based on an x-ray grating interferometer and a convent...

journal_title：Investigative radiology

authors： Donath T,Pfeiffer F,Bunk O,Grünzweig C,Hempel E,Popescu S,Vock P,David C

更新日期：2010-07-01 00:00:00

abstract：:The retropsoas recess, a previously undescribed normal anatomic variant, is reported. In most individuals, the space posterior to the belly of the psoas muscle contains fat within the posterior pararenal space. However, a retrospective review of 250 consecutive CT examinations of the abdomen revealed 11 cases (4.4%) i...

journal_title：Investigative radiology

authors： Kelly RB,Mahoney PD,Frick MP

更新日期：1987-07-01 00:00:00

abstract：OBJECTIVE:To determine the prevalence of nephrogenic systemic fibrosis (NSF) in patients with chronic kidney disease (CKD) who have received gadopentetate dimeglumine. MATERIALS AND METHODS:We retrospectively studied all patients who underwent contrast-enhanced magnetic resonance imagings (CE-MRIs) between January 1, ...

journal_title：Investigative radiology

authors： Hope TA,Herfkens RJ,Denianke KS,LeBoit PE,Hung YY,Weil E

更新日期：2009-03-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to evaluate the influence of different weighting factors on contrast enhancement, signal-to-noise ratio (SNR), and image quality in image fusion in dual energy computed tomography (DECT) angiography. MATERIAL AND METHODS:Fifteen patients underwent a CT angiography of the aorta with ...

journal_title：Investigative radiology

authors： Behrendt FF,Schmidt B,Plumhans C,Keil S,Woodruff SG,Ackermann D,Mühlenbruch G,Flohr T,Günther RW,Mahnken AH

更新日期：2009-01-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to investigate the impact of impaired renal function on gadolinium (Gd) retention in various organs after Gd-based contrast agent injection. MATERIALS AND METHODS:After local animal care and review committee approval, 23 normal mice and 26 with renal failure were divided into 4 tre...

journal_title：Investigative radiology

authors： Kartamihardja AA,Nakajima T,Kameo S,Koyama H,Tsushima Y

更新日期：2016-10-01 00:00:00

abstract：OBJECTIVES:The aim of this study was to evaluate a prototype dual-energy computed tomography calcium subtraction algorithm and its impact on luminal visualization in patients with heavily calcified coronary arteries. MATERIALS AND METHODS:Twenty-nine patients (62% male; mean age, 64 ± 7 years) who had undergone dual-e...

journal_title：Investigative radiology

authors： De Santis D,Jin KN,Schoepf UJ,Grant KL,De Cecco CN,Nance JW Jr,Vogl TJ,Laghi A,Albrecht MH

更新日期：2018-02-01 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：RATIONALE AND OBJECTIVES:The authors used magnetic resonance imaging (MRI) techniques to examine the effect of meningeal trauma produced by cisterna magna puncture on the integrity of the blood-cerebrospinal fluid barrier (BCB) in a rat model. METHODS:Intravenous gadolinium-DTPA (Gd-DTPA), a relaxation rate modifier w...

journal_title：Investigative radiology

authors： Walker JD,Martin MA,Potts DG,Lemaire C,Templeton DM

更新日期：1992-04-01 00:00:00

abstract：:Prior to the formation of an intravenous digital subtraction angiography (IV-DSA) image, contrast medium passes through the lesser circulation and is diluted by the blood volume of the heart and lungs. If the contrast medium alone influences central blood volume or cardiac output, the shape of the resultant time-conce...

journal_title：Investigative radiology

authors： Burbank FH,Thompson WM

更新日期：1986-03-01 00:00:00