Diffuse lung disease: diagnostic accuracy of CT in patients undergoing surgical biopsy of the lung.

abstract：PURPOSE:To assess and compare intimal and medial vascular damage caused by three mechanical wall-contact thrombectomy devices: Fogarty embolectomy catheter, Arrow-Trerotola peripheral thrombectomy device, and MTI-Castañeda over-the-wire brush. MATERIALS AND METHODS:Bilateral external iliac arteries of 15 canines were ...

journal_title：Radiology

authors： Castañeda F,Li R,Patel J,DeBord JR,Swischuk JL

更新日期：2001-04-01 00:00:00

abstract：PURPOSE:To evaluate the accuracy of 64-section multidetector computed tomography (CT) for the assessment of perfusion defects (PDs), regional wall motion (RWM), and global left ventricular (LV) function. MATERIALS AND METHODS:All myocardial infarction (MI) patients signed informed consent. The IRB approved the study a...

journal_title：Radiology

authors： Cury RC,Nieman K,Shapiro MD,Butler J,Nomura CH,Ferencik M,Hoffmann U,Abbara S,Jassal DS,Yasuda T,Gold HK,Jang IK,Brady TJ

更新日期：2008-08-01 00:00:00

abstract：:Surgical cholecystectomy is associated with a high morbidity and mortality in elderly patients with acute calculous cholecystitis and underlying cardiac or pulmonary disease. Currently there are few alternatives for treating these patients. The authors have used percutaneous cholecystolithotomy in 11 such high-risk pa...

journal_title：Radiology

authors： Picus D,Marx MV,Hicks ME,Lang EV,Edmundowicz SA

更新日期：1989-11-01 00:00:00

abstract：:Corticosteroids and local anesthetics are some of the most commonly administered medications in radiology departments. These medications have marked variability in their formulations, which may increase their adverse event profile for specific procedures. In particular, certain corticosteroid preparations are associat...

journal_title：Radiology

authors： MacMahon PJ,Eustace SJ,Kavanagh EC

更新日期：2009-09-01 00:00:00

abstract：PURPOSE:To assess whether a combination of functional (planar imaging and single photon emission computed tomography [SPECT]) and anatomic (magnetic resonance [MR] imaging) imaging techniques can be used to noninvasively quantify tumor expression of a somatostatin receptor type 2A (SSTR2A) gene chimera in vivo. MATERI...

journal_title：Radiology

authors： Yang D,Han L,Kundra V

更新日期：2005-06-01 00:00:00

abstract：:High-resolution real-time ultrasound with either a 7.5- or 10-MHz transducer was used to localize 7/9 nonpalpable breast masses previously detected by mammography and to determine where the biopsy needle should be inserted. ...

journal_title：Radiology

authors： Laing FC,Jeffrey RB,Minagi H

更新日期：1984-06-01 00:00:00

abstract：PURPOSE:To evaluate magnetic resonance (MR) hydrometry, a method of quantifying fluid amounts by using MR imaging, for assessing the exocrine function of the pancreas after stimulation with secretin. MATERIALS AND METHODS:Images were obtained with a single-shot turbo spin-echo sequence by using a 1.0-T magnet with a q...

journal_title：Radiology

authors： Heverhagen JT,Müller D,Battmann A,Ishaque N,Boehm D,Katschinski M,Wagner HJ,Klose KJ

更新日期：2001-01-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness of an important finding alert (IFA) system that uses e-mail technology to alert referring physicians to an important but nonurgent imaging finding. MATERIALS AND METHODS:The institutional review board approved the study; the requirement for informed consent was waived. The authors...

journal_title：Radiology

authors： Abujudeh HH,Kaewlai R,Choy G,Whelton DG,Rosenthal DI

更新日期：2009-09-01 00:00:00

abstract：PURPOSE:To prospectively compare the diagnostic performance of ultrasonography (US) and unenhanced multi-detector row computed tomography (CT) in patients suspected of having acute appendicitis by using surgery or clinical follow-up as the reference standard. MATERIALS AND METHODS:The institutional review board approv...

journal_title：Radiology

authors： Keyzer C,Zalcman M,De Maertelaer V,Coppens E,Bali MA,Gevenois PA,Van Gansbeke D

更新日期：2005-08-01 00:00:00

abstract：PURPOSE:To assess the diagnostic performance of various Doppler ultrasonographic (US) vascularity measures in conjunction with grayscale (GS) criteria in differentiating benign from malignant breast masses, by using histologic findings as the reference standard. MATERIALS AND METHODS:Institutional Review Board and HIP...

journal_title：Radiology

authors： LeCarpentier GL,Roubidoux MA,Fowlkes JB,Krücker JF,Hunt KA,Paramagul C,Johnson TD,Thorson NJ,Engle KD,Carson PL

更新日期：2008-11-01 00:00:00

abstract：:A patent umbilical vein is a sonographic sign of portal hypertension. The specificity of the sign is not known. In a review of 12 patients with sonographically demonstrated patency of the umbilical vein, we found two patients in whom no clinical evidence existed to suggest the presence of portal hypertension. In six o...

journal_title：Radiology

authors： Saddekni S,Hutchinson DE,Cooperberg PL

更新日期：1982-11-01 00:00:00

abstract：PURPOSE:To examine the feasibility and safety of magnetic resonance (MR)-guided biopsy by using a transgluteal approach in patients with suspicious prostate lesions by using an MR-compatible robotic system and a 1.5-T MR system. MATERIALS AND METHODS:The study was approved by the institutional review board of Universi...

journal_title：Radiology

authors： Zangos S,Melzer A,Eichler K,Sadighi C,Thalhammer A,Bodelle B,Wolf R,Gruber-Rouh T,Proschek D,Hammerstingl R,Müller C,Mack MG,Vogl TJ

更新日期：2011-06-01 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：:To determine the optimal coil and patient position for magnetic resonance imaging of patients with silicone breast implants, images obtained with body, circular surface, flexible, single shoulder, and dual shoulder coils in various numbers of patients were compared with regard to signal-to-noise ratio (S/N), decay of ...

journal_title：Radiology

authors： Sinha S,Gorczyca DP,DeBruhl ND,Shellock FG,Gausche VR,Bassett LW

更新日期：1993-04-01 00:00:00

abstract：:Fifty-six cases of spondylolysis were encountered in 1500 lumbar spine reports reviewed. The frequency of detecting isthmus defects on anteroposterior (AP), lateral, 45-degree right and left oblique, 30-degree up-angled AP, and collimated lateral views was determined. The collimated lateral view showed the largest num...

journal_title：Radiology

authors： Amato M,Totty WG,Gilula LA

更新日期：1984-12-01 00:00:00

abstract：:Radiological abnormalities of the ribs are reported in 5 newborn infants with myotonic dystrophy. In all 5, the ribs appeared very thin, in contrast to the normal appearance of the rest of the skeleton. This slenderness, which is important for diagnosis and prognosis, seems to be caused by hypotonia of the intercostal...

journal_title：Radiology

authors： Chassevent J,Sauvegrain J,Besson-Leaud M,Kalifa G

更新日期：1978-06-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic performance of contrast material-enhanced magnetic resonance (MR) angiography for preoperative detection and localization of accessory pudendal arteries (APAs) in patients with prostate cancer. MATERIALS AND METHODS:This prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Whang SY,Sung DJ,Lee SA,Park BJ,Kim MJ,Cho SB,Kim YH,Cheon J

更新日期：2012-03-01 00:00:00

abstract：:A 6-year follow-up study of height and weight was conducted between 1975 and 1983 in a total of 149 sibling pairs of the same sex, one of whom had been exposed to diagnostic ultrasound in utero. The data were analyzed for the entire sample group, as well as for subgroups defined by sex, gestational age at delivery, bi...

journal_title：Radiology

authors： Lyons EA,Dyke C,Toms M,Cheang M

更新日期：1988-03-01 00:00:00

abstract：PURPOSE:To determine the computed tomographic (CT) detector configuration, patient size, and image noise limitations that will result in acceptable image quality of 80-kV images obtained at abdominal dual-energy CT. MATERIALS AND METHODS:The Institutional Review Board approved this HIPAA-compliant retrospective study ...

journal_title：Radiology

authors： Guimarães LS,Fletcher JG,Harmsen WS,Yu L,Siddiki H,Melton Z,Huprich JE,Hough D,Hartman R,McCollough CH

更新日期：2010-12-01 00:00:00

abstract：:Twenty-one screen-film systems were examined using contrast-detail-dose methods in order to determine which were most dose-efficient for use in pediatric radiography. With a given screen, dose efficiency in the noise-limited region (contrast approximately equal to 0.05) was more or less constant (within the range of e...

journal_title：Radiology

authors： Cohen G,Wagner LK,McDaniel DL,Robinson LH

更新日期：1984-07-01 00:00:00

abstract：PURPOSE:To approximate the functional relationship between invasively measured mean pulmonary arterial pressure (mPAP) and the phase-contrast magnetic resonance (MR) imaging-derived duration of vortical blood flow along the main pulmonary artery and to analyze its applicability for noninvasive diagnosis of pulmonary hy...

journal_title：Radiology

authors： Reiter G,Reiter U,Kovacs G,Olschewski H,Fuchsjäger M

更新日期：2015-04-01 00:00:00

abstract：:New or enlarging solitary pulmonary opacities in 502 patients were evaluated with a plain tomographic procedure. Repeat chest radiographs in 64 patients and tomograms in 115 patients showed that the opacities were not nodules but were due to pneumonitis, rib lesions, thickened pleura, or another benign finding. Tomogr...

journal_title：Radiology

authors： Huston J 3rd,Muhm JR

更新日期：1987-05-01 00:00:00

abstract：PURPOSE:To determine diagnostic accuracy of four-channel multi-detector row computed tomography (CT) in emergency room and inpatient populations suspected of having acute pulmonary embolism (PE) who prospectively underwent both CT and pulmonary arteriography (PA). MATERIALS AND METHODS:Patients referred for PA to asse...

journal_title：Radiology

authors： Winer-Muram HT,Rydberg J,Johnson MS,Tarver RD,Williams MD,Shah H,Namyslowski J,Conces D,Jennings SG,Ying J,Trerotola SO,Kopecky KK

更新日期：2004-12-01 00:00:00

abstract：:It is usually easy to distinguish the round nipple shadow from a lesion, especially by means of repeat radiographs with nipple markers. However, the radiologist must occasionally interpret a round density in the lower chest on the basis of a single radiograph or series of radiographs. Fortunately, a nipple shadow usua...

journal_title：Radiology

authors： Ferris RA,White AF

更新日期：1976-11-01 00:00:00

abstract：:The value of computed tomography (CT) in determining the cause of obstructive jaundice in 67 proved cases is described. The presence of stones, the level of obstruction, the relative size of the ringlike structures produced by the dilated bile duct, and the shape of the distal visualized ring have proved to be the mos...

journal_title：Radiology

authors： Pedrosa CS,Casanova R,Lezana AH,Fernandez MC

更新日期：1981-06-01 00:00:00

abstract：PURPOSE:To determine objectively the current standard of reporting for studies of computer-aided detection (CAD) for computed tomographic (CT) colonography by systematically reviewing published articles. MATERIALS AND METHODS:MEDLINE was searched to identify study articles meeting the inclusion criteria for describing...

journal_title：Radiology

authors： Robinson C,Halligan S,Taylor SA,Mallett S,Altman DG

更新日期：2008-02-01 00:00:00

abstract：:Twenty-four patients with 29 cerebrovascular malformations were evaluated with a combination of computed tomography (CT), angiography, and magnetic resonance (MR) imaging. Characteristics of the malformations on MR images were reviewed retrospectively, and a comparative evaluation of MR and CT images was made. Of 14 a...

journal_title：Radiology

authors： Kucharczyk W,Lemme-Pleghos L,Uske A,Brant-Zawadzki M,Dooms G,Norman D

更新日期：1985-08-01 00:00:00

abstract：PURPOSE:To evaluate with sonography the normal development of the fetal cerebellum in the second trimester. MATERIALS AND METHODS:The study included all patients undergoing second trimester genetic amniocentesis who had structurally normal fetuses, in whom the posterior fossa was adequately seen and in whom the karyot...

journal_title：Radiology

authors： Bromley B,Nadel AS,Pauker S,Estroff JA,Benacerraf BR

更新日期：1994-12-01 00:00:00

abstract：:The feasibility of using focused ultrasound for studying structures as small as biliary ducts and correlative radiological and ultrasonic studies of the common and larger hepatic ducts are presented. Patients whose bile ducts were visualized on intravenous or T-tube cholangiography or oral cholecystography underwent r...

journal_title：Radiology

authors： Reid MH

更新日期：1976-01-01 00:00:00

abstract：:The clinical, radiologic, and histopathologic features of three cases of clear cell chondrosarcoma are described. On radiographs, this rather benign-appearing tumor resembles a chondroblastoma when it occurs at the end of a long bone, and may occasionally show a calcified matrix. However, it has distinctive tumor cell...

journal_title：Radiology

authors： Kumar R,David R,Cierney G 3rd

更新日期：1985-01-01 00:00:00