Hepatic malignancies: usefulness of acquisition of multiple arterial and portal venous phase images at dynamic gadolinium-enhanced MR imaging.

abstract：:Traumatic spondylolisthesis of C-2, frequently referred to as the hangman's fracture, is typically regarded as a hyperextension injury with rare neurologic sequelae by virtue of decompression of the neural canal. The authors retrospectively evaluated their radiographic experience with this injury in 27 patients over a...

journal_title：Radiology

authors： Mirvis SE,Young JW,Lim C,Greenberg J

更新日期：1987-06-01 00:00:00

abstract：:Background Cardiac MRI late gadolinium enhancement (LGE) scar volume is an important marker for outcome prediction in patients with hypertrophic cardiomyopathy (HCM); however, its clinical application is hindered by a lack of measurement standardization. Purpose To develop and evaluate a three-dimensional (3D) convolu...

journal_title：Radiology

authors： Fahmy AS,Neisius U,Chan RH,Rowin EJ,Manning WJ,Maron MS,Nezafat R

更新日期：2020-01-01 00:00:00

abstract：:Medullary carcinoma of the breast is an uncommon tumor, which may mimic a benign mass at both mammography and ultrasonography (US). A total of 24 medullary carcinomas visible at mammography appeared as round or oval, noncalcified masses with varying degrees of marginal lobulation. In six of the 24 patients, US demonst...

journal_title：Radiology

authors： Meyer JE,Amin E,Lindfors KK,Lipman JC,Stomper PC,Genest D

更新日期：1989-01-01 00:00:00

abstract：:A distinctive type of artifactual extravascular assignment of color was identified in 49 color Doppler ultrasound (US) examinations in 43 patients. This artifact appeared as a random localized mixture of red and blue assigned to perivascular soft tissues; the artifact varied with the cardiac cycle, being most prominen...

journal_title：Radiology

authors： Middleton WD,Erickson S,Melson GL

更新日期：1989-06-01 00:00:00

abstract：:Percutaneous cholecystolithotripsy can be performed with a transhepatic or transperitoneal approach. Because the anatomy of the gallbladder varies from person to person, the authors began a study to evaluate the position of the gallbladder with computed tomographic scans of 100 patients known to have stones in their g...

journal_title：Radiology

authors： Hruby W,Urban M,Stackl W,Armbruster C,Marberger M

更新日期：1989-11-01 00:00:00

abstract：:The purpose of this study was to construct and evaluate a phantom for measurement of magnetic resonance (MR) imaging sections with thicknesses of 0.3-0.6 mm. The phantom consisted of 304 0.1-mm-thick disks, each of which had a single notch filled with a diluted solution of gadopentetate dimeglumine. Qualitative and qu...

journal_title：Radiology

authors： Lemke AJ,Kazi I,de Bary P,Bernhardt U,Foerster PI,Foerster M,Felix R

更新日期：2006-08-01 00:00:00

abstract：:Although infrequent, esophageal rupture is a serious complication of pneumatic dilatation for the treatment of achalasia. Because of an experience with delayed recognition of esophageal perforation in a patient with achalasia, we now examine the esophagus using a water-soluble contrast medium immediately following eve...

journal_title：Radiology

authors： Stewart ET,Miller WN,Hogan WJ,Dodds WJ

更新日期：1979-03-01 00:00:00

abstract：:Computed tomographic (CT) scans and magnetic resonance (MR) images obtained in 24 patients with cervical lymphadenopathy were retrospectively and blindly evaluated by two readers for the presence of central nodal necrosis (CNN) and extracapsular nodal spread (ENS). The CT studies were all enhanced, and the MR images w...

journal_title：Radiology

authors： Yousem DM,Som PM,Hackney DB,Schwaibold F,Hendrix RA

更新日期：1992-03-01 00:00:00

abstract：:During a 16-year period, 42,888 clinical and radiographic breast studies were performed on 8,000 women. Of this number, 1,161 malignant and 5,270 benign lesions were histologically confirmed. Biopsy of 468 of the 721 breasts that had clustered calcifications not associated with a mass and that were subject to a five- ...

journal_title：Radiology

authors： Egan RL,McSweeney MB,Sewell CW

更新日期：1980-10-01 00:00:00

abstract：:Sports-related muscle pain is frequent in both trained and untrained persons; however, its severity and significance may be difficult to assess clinically. The authors used magnetic resonance (MR) imaging to evaluate acute strains and delayed-onset muscle soreness in sedentary subjects and postmarathon myalgia in trai...

journal_title：Radiology

authors： Fleckenstein JL,Weatherall PT,Parkey RW,Payne JA,Peshock RM

更新日期：1989-09-01 00:00:00

abstract：PURPOSE:To evaluate the potential utility of a number of parameters obtained at T2-weighted, diffusion-weighted, and dynamic contrast material-enhanced multiparametric magnetic resonance (MR) imaging for computer-aided diagnosis (CAD) of prostate cancer and assessment of cancer aggressiveness. MATERIALS AND METHODS:In...

journal_title：Radiology

authors： Peng Y,Jiang Y,Yang C,Brown JB,Antic T,Sethi I,Schmid-Tannwald C,Giger ML,Eggener SE,Oto A

更新日期：2013-06-01 00:00:00

abstract：:The wide variation in absorber thickness characteristic of the posteroanterior projection of the chest routinely results in film underexposure and attendant suboptimal contrast in the mediastinal, retrocardiac, and diaphragmatic regions. We propose a special scanning system to deliver a more uniform film exposure over...

journal_title：Radiology

authors： Plewes DB,Wandtke JC

更新日期：1982-03-01 00:00:00

abstract：:The blood supplies of nodular lesions associated with liver cirrhosis were analyzed in vivo with various imaging modalities. The portal blood supply was evaluated with computed tomography (CT) during arterial portography (CTAP); the arterial blood supply was evaluated with hepatic angiography, CT angiography, CT follo...

journal_title：Radiology

authors： Matsui O,Kadoya M,Kameyama T,Yoshikawa J,Takashima T,Nakanuma Y,Unoura M,Kobayashi K,Izumi R,Ida M

更新日期：1991-02-01 00:00:00

abstract：PURPOSE:To evaluate the intra- and interreader agreement of two-dimensional computed tomographic (CT) measurements of pulmonary nodules less than 2 cm in diameter. MATERIALS AND METHODS:Three readers independently made three serial measurements of each of 54 pulmonary nodules measuring 3-18 mm that had been observed o...

journal_title：Radiology

authors： Revel MP,Bissery A,Bienvenu M,Aycard L,Lefort C,Frija G

更新日期：2004-05-01 00:00:00

abstract：:Twenty-nine subjects with occupational asbestos exposure and clinical asbestosis were examined with high-resolution computed tomography (HRCT) to determine its sensitivity, relative to that of conventional computed tomography (CT), for detection of benign asbestos-related disease. Thin-section HRCT scans were obtained...

journal_title：Radiology

authors： Aberle DR,Gamsu G,Ray CS,Feuerstein IM

更新日期：1988-03-01 00:00:00

abstract：PURPOSE:To assess the value of vertebral body endplate signal intensity (Modic) changes on magnetic resonance (MR) images in predicting a painful disk, with provocative diskography as the reference standard. MATERIALS AND METHODS:Lumbar spine diskograms and prediskogram MR images of 736 patients (2457 disks) were retr...

journal_title：Radiology

authors： Thompson KJ,Dagher AP,Eckel TS,Clark M,Reinig JW

更新日期：2009-03-01 00:00:00

abstract：:Purpose To determine whether fructose 1,6-bisphosphatase 1 (FBP1) expression is associated with fluorine 18 (18F) fluorodeoxyglucose (FDG) accumulation in patients with hepatocellular carcinoma (HCC) and to investigate how FBP1 expression and 18F FDG uptake are related to tumor differentiation grade and metabolism and...

journal_title：Radiology

authors： Chen R,Li J,Zhou X,Liu J,Huang G

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:To investigate if and how computerized analysis complements characterization of breast lesions with clinical reading at magnetic resonance imaging. MATERIALS AND METHODS:The institutional review board approved the use of data obtained prospectively and analyzed either prospectively with informed patient consen...

journal_title：Radiology

authors： Deurloo EE,Muller SH,Peterse JL,Besnard AP,Gilhuijs KG

更新日期：2005-03-01 00:00:00

abstract：:A diagnostic ultrasound examination is a simple and reliable method of obtaining anatomical information for intracavitary irradiation of endometrial carcinoma of the uterus. Scanning before treatment to determine uterine size and shape assists in choosing the most appropriate applicator. Scanning after insertion of an...

journal_title：Radiology

authors： Brascho DJ,Kim RY,Wilson EE

更新日期：1978-10-01 00:00:00

abstract：PURPOSE:To compare the stress experienced by women who had false-positive screening mammograms and had undergone immediate on-site diagnostic imaging evaluation with that experienced by those who had been recalled for subsequent imaging. MATERIALS AND METHODS:A retrospective survey was mailed to women with false-posit...

journal_title：Radiology

authors： Lindfors KK,O'Connor J,Parker RA

更新日期：2001-01-01 00:00:00

abstract：PURPOSE:To compare the success and infection rates of radiologic placement with those of surgical placement of tunneled central venous access catheters (TCVACs) in infants and small children. MATERIALS AND METHODS:In 17 pediatric patients, TCVACs were placed with vascular access under ultrasound or fluoroscopic guidan...

journal_title：Radiology

authors： Nosher JL,Shami MM,Siegel RL,DeCandia M,Bodner LJ

更新日期：1994-07-01 00:00:00

abstract：PURPOSE:To determine the transvaginal hysterosonographic appearances of benign and malignant endometrial disease. MATERIALS AND METHODS:From April 11, 1994, through August 1, 1996, a total of 88 women (age range, 25-81 years) underwent transvaginal hysterosonography and histopathologic evaluation of the endometrium af...

journal_title：Radiology

authors： Dubinsky TJ,Stroehlein K,Abu-Ghazzeh Y,Parvey HR,Maklad N

更新日期：1999-02-01 00:00:00

abstract：:Renal artery stenosis in 201 patients with hypertension was treated with percutaneous transluminal renal angioplasty (PTRA). A total of 213 procedures were performed as treatment of 262 separate stenosis. The stenosis was caused by atherosclerosis in 134 cases and by fibromuscular dysplasia (FMD) in 52 cases; the caus...

journal_title：Radiology

authors： Klinge J,Mali WP,Puijlaert CB,Geyskes GG,Becking WB,Feldberg MA

更新日期：1989-05-01 00:00:00

abstract：:A new method is presented for the removal of streaking artifact in computed tomography. The method uses a nearest-neighbor pattern recognition technique to redetermine ray sums that intersect the foreign object responsible for the streaking. When the method is applied to the removal of streaking artifact caused by lea...

journal_title：Radiology

authors： Morin RL,Raeside DE

更新日期：1981-10-01 00:00:00

abstract：PURPOSE:To determine whether measurements of skewness, kurtosis, and mean lung attenuation on thin-section computed tomographic (CT) histograms in patients with idiopathic pulmonary fibrosis (IPF) correlate with pulmonary physiologic abnormality in a nonspirometrically controlled multicenter study. MATERIALS AND METHO...

journal_title：Radiology

authors： Best AC,Lynch AM,Bozic CM,Miller D,Grunwald GK,Lynch DA

更新日期：2003-08-01 00:00:00

abstract：:Preliminary results indicate that film dosimetry is a simple and precise method of determining volume dose distributions. Calculated dose distributions using computers or estimations of surface dose using TLD dosimeters are within 5% of the measured dose. Initial attempts to find suitable alternate techniques tailored...

journal_title：Radiology

authors： Mansfield CM,Ayyangar K,Suntharalingam N

更新日期：1976-09-01 00:00:00

abstract：:A review of the sonographic findings in 17 children with non-inflammatory neck masses suggests that while ultrasound is nonspecific with regard to the differential diagnosis, it can show whether a mass is cystic, solid, or complex. Sonography is also useful in clarifying the anatomical extent of a lesion and involveme...

journal_title：Radiology

authors： Friedman AP,Haller JO,Goodman JD,Nagar H

更新日期：1983-06-01 00:00:00

abstract：PURPOSE:To evaluate whether contrast material-enhanced (CE) fast imaging employing steady-state acquisition (FIESTA) can depict the anterior optic pathways in patients with large suprasellar tumors. MATERIALS AND METHODS:Institutional review board approval was obtained. Twenty-eight patients with large suprasellar tum...

journal_title：Radiology

authors： Watanabe K,Kakeda S,Yamamoto J,Watanabe R,Nishimura J,Ohnari N,Nishizawa S,Korogi Y

更新日期：2012-09-01 00:00:00

abstract：:Failures and complications were analyzed retrospectively in 45 patients treated with embolotherapy or occlusion of pulmonary arterial circulation. Pulmonary arterial branches were occluded with steel coils in 19 patients with pulmonary arteriovenous malformations, 17 with hemoptysis of pulmonary artery (PA) origin, an...

journal_title：Radiology

authors： Remy-Jardin M,Wattinne L,Remy J

更新日期：1991-09-01 00:00:00

abstract：:Modern rapid magnetic resonance (MR) imaging techniques have led to widespread use of the modality in cardiac imaging. Despite this progress, many MR studies suffer from image degradation due to involuntary motion during the acquisition. This review describes the type and extent of the motion of the heart due to the c...

journal_title：Radiology

authors： Scott AD,Keegan J,Firmin DN

更新日期：2009-02-01 00:00:00