Virtual Unenhanced Images at Dual-Energy CT: Influence on Renal Lesion Characterization.

abstract：:The case histories and radiologic studies of eight liver transplant recipients who developed a mucocele of the allograft cystic duct remnant were retrospectively evaluated. All patients had clinical and/or laboratory evidence of biliary obstruction or cholangitis from 2 weeks to 3.3 years following transplantation. Ch...

journal_title：Radiology

authors： Zajko AB,Bennett MJ,Campbell WL,Koneru B

更新日期：1990-12-01 00:00:00

abstract：:To assess the potential role of ultrasound (US) in evaluating transjugularly inserted intrahepatic portosystemic shunts, the authors performed sonographic, including duplex and color Doppler, studies in 23 patients. Imaging was performed before, during the first week after, and 2-3 months after shunt placement. The pr...

journal_title：Radiology

authors： Longo JM,Bilbao JI,Rousseau HP,García-Villareal L,Vinel JP,Zozaya JM,Joffre FG,Prieto J

更新日期：1993-02-01 00:00:00

abstract：PURPOSE:To validate the usefulness of a newly developed tracer for preoperative gastric sentinel lymph node (LN) (SLN) mapping and intraoperative navigation after a single preoperative submucosal injection in rat and beagle models. MATERIALS AND METHODS:This study was approved by the Experimental Animal Ethical Commit...

journal_title：Radiology

authors： Kim H,Lee SK,Kim YM,Lee EH,Lim SJ,Kim SH,Yang J,Lim JS,Hyung WJ

更新日期：2015-04-01 00:00:00

abstract：:Purpose To quantify myocardial extracellular volume (ECV) by using cardiac magnetic resonance (MR) imaging in thalassemia major and to investigate the relationship between ECV and myocardial iron overload. Materials and Methods With institutional review board approval and informed consent, 30 patients with thalassemia...

journal_title：Radiology

authors： Hanneman K,Nguyen ET,Thavendiranathan P,Ward R,Greiser A,Jolly MP,Butany J,Yang IY,Sussman MS,Wintersperger BJ

更新日期：2016-06-01 00:00:00

abstract：:The authors have occasionally observed nodular areas abutting the lateral diaphragmatic surface and extending into the posterior pararenal space on computed tomographic (CT) scans. Review of the anatomy literature revealed that this finding represents inferolateral extension of the lateral arcuate ligaments, which ref...

journal_title：Radiology

authors： Silverman PM,Cooper C,Zeman RK

更新日期：1992-10-01 00:00:00

abstract：:Continuous wave (CW) and pulsed Doppler ultrasound studies with spectral analysis were used to detect the left coronary arterial blood flow in patients who were undergoing routine echocardiography. The pulmonary artery is a stable ultrasonic landmark from which detection of the blood flow can be effected. The left cor...

journal_title：Radiology

authors： Gramiak R,Holen J,Moss AJ,Gutierrez OH,Picone AL,Roe SA

更新日期：1986-06-01 00:00:00

abstract：:Purpose To evaluate the impact of accountable care organizations (ACOs) on use of screening mammography in the Medicare Shared Savings Program (MSSP), the largest value-based reimbursement program in U.S. HISTORY:Materials and Methods Institutional review board approval was waived, as the study used publicly availabl...

journal_title：Radiology

authors： Narayan AK,Harvey SC,Durand DJ

更新日期：2017-02-01 00:00:00

abstract：:Background MRI with hepatobiliary contrast material is more sensitive than MRI with extracellular contrast material in the detection of hepatocellular carcinoma (HCC). Purpose To determine whether postsurgical outcomes differ between patients who undergo MRI with hepatobiliary contrast material and those who undergo M...

journal_title：Radiology

authors： Kim DK,An C,Chung YE,Choi JY,Lim JS,Park MS,Kim MJ

更新日期：2019-12-01 00:00:00

abstract：PURPOSE:To evaluate the frequency of the supraacetabular fossa (SAF) (pseudodefect of acetabular cartilage) at magnetic resonance (MR) arthrography of the hip and to compare the MR findings with those from arthroscopy. MATERIALS AND METHODS:All patients gave written permission for anonymized use of their medical data ...

journal_title：Radiology

authors： Dietrich TJ,Suter A,Pfirrmann CW,Dora C,Fucentese SF,Zanetti M

更新日期：2012-05-01 00:00:00

abstract：:Three examples of permanently inflated transluminal catheter balloons are presented. Two of these occurred during attempted percutaneous transluminal angioplasty. Nonsurgical solutions, which were successful in each case, are described. Percutaneous puncture with a needle or a larger diameter coaxial catheter under fl...

journal_title：Radiology

authors： Schneider JR,Johnsrude IS,Lund G,Rysavy J,Anderson RW,Amplatz K

更新日期：1985-06-01 00:00:00

abstract：:A simple method of shielding the hand during cross-compression angiography is described. A standard lead glove with the fingertips cut out of the palmar aspect is used, allowing sensation and mobility while still protecting the hand. ...

journal_title：Radiology

authors： Nusbacher N,Pollak L,Bryk D

更新日期：1978-08-01 00:00:00

abstract：:Twenty patients with multiple or recurrent superficial head and facial cancer were treated with low-megavoltage electron-beam therapy, using a readily adaptable polystyrene shield assembly with interchangeable collimators. Patient set-up times were reduced, treatment was simplified, and flexibility of therapy was achi...

journal_title：Radiology

authors： Johnson TS,Garciga CE,Feldman ME,Holcomb MH

更新日期：1975-06-01 00:00:00

abstract：:Transrectal ultrasound (US; also called endosonography) was used to evaluate known or suspected rectal and perirectal masses. Thirty-one patients were examined with commercially available endosonographic probes. Those who obtained and interpreted the sonograms had no knowledge of other diagnostic studies, which includ...

journal_title：Radiology

authors： Rifkin MD,Marks GJ

更新日期：1985-11-01 00:00:00

abstract：PURPOSE:To evaluate the frequency, location, and appearance of transient increased attenuation in the liver during arterial-phase helical or incremental computed tomography (CT) in patients with gallbladder disease without hepatic extension. MATERIALS AND METHODS:Findings in dynamic CT examinations in 31 patients with...

journal_title：Radiology

authors： Ito K,Awaya H,Mitchell DG,Honjo K,Fujita T,Uchisako H,Moritani K,Nomura S,Higuchi M,Kada T,Matsumoto T,Matsunaga N

更新日期：1997-09-01 00:00:00

abstract：:Deshpande et al (1) have shown that P-selectin-targeted microbubbles (MBs) can be used to monitor the expression of this molecule as a marker of inflammation in a murine model of inflammatory bowel disease (IBD). If these results can be reproduced in future clinical trials, contrast material–enhanced ultrasound (US) o...

journal_title：Radiology

authors： Forsberg F

更新日期：2012-01-01 00:00:00

abstract：:Radiotherapy of verrucous carcinoma has frequently been associated with anaplastic transformation and poor response. No anaplastic transformation was observed in the 6 patients receiving radiotherapy as the primary treatment, and control of disease was favorable compared with 5 surgically treated patients. Four of the...

journal_title：Radiology

authors： Schwade JG,Wara WM,Dedo HH,Phillips TL

更新日期：1976-09-01 00:00:00

abstract：:The purpose of this study was to develop an automated scheme to facilitate detection of localized ground-glass opacity (GGO) in the lung at computed tomography (CT). Institutional review board approval and informed consent were not required. Two radiologists reviewed CT images from 14 patients (five men, nine women) w...

journal_title：Radiology

authors： Kim KG,Goo JM,Kim JH,Lee HJ,Min BG,Bae KT,Im JG

更新日期：2005-11-01 00:00:00

abstract：:X-ray tubes having similar resolution capabilities along the central ray were compared for their wide-field characteristics. It has been suggested that focal spot size, and therefore resolution capability, along the cathode-anode axis may vary in a manner which is dependent upon the tube target angle. The authors show...

journal_title：Radiology

authors： Bernstein H,Bergeron RT

更新日期：1976-06-01 00:00:00

abstract：:Purpose To investigate whether whole-liver enhancing tumor burden [ETB] can serve as an imaging biomarker and help predict survival better than World Health Organization (WHO), Response Evaluation Criteria in Solid Tumors (RECIST), modified RECIST (mRECIST), and European Association for the Study of the Liver (EASL) m...

journal_title：Radiology

authors： Sahu S,Schernthaner R,Ardon R,Chapiro J,Zhao Y,Sohn JH,Fleckenstein F,Lin M,Geschwind JF,Duran R

更新日期：2017-06-01 00:00:00

abstract：:Computed tomographic brain scans of the newborn exhibit relatively greater lucency of white matter compared to the mature patient. This study correlated the x-ray attenuation of white matter with gestational age in 23 neonates, both premature and term. The gray-white matter attenuation difference was calculated and pl...

journal_title：Radiology

authors： Brant-Zawadzki M,Enzmann DR

更新日期：1981-04-01 00:00:00

abstract：PURPOSE:To characterize triangular fibrocartilage (TFC) defects in symptomatic and contralateral asymptomatic wrists. MATERIALS AND METHODS:Communicating and noncommunicating defects of the TFC were depicted on bilateral wrist arthrograms in 56 patients with unilateral wrist pain and without associated lesions of the ...

journal_title：Radiology

authors： Zanetti M,Linkous MD,Gilula LA,Hodler J

更新日期：2000-09-01 00:00:00

abstract：:Background Results of recent phantom studies show that variation in CT acquisition parameters and reconstruction techniques may make radiomic features largely nonreproduceable and of limited use for prognostic clinical studies. Purpose To investigate the effect of CT radiation dose and reconstruction settings on the r...

journal_title：Radiology

authors： Meyer M,Ronald J,Vernuccio F,Nelson RC,Ramirez-Giraldo JC,Solomon J,Patel BN,Samei E,Marin D

更新日期：2019-12-01 00:00:00

abstract：PURPOSE:To measure the mean diffusional age-related changes of the brain over the full human life span by using diffusion-weighted spin-echo single-shot echo-planar magnetic resonance (MR) imaging and sequential whole-brain apparent diffusion coefficient (ADC) histogram analysis and, secondarily, to build mathematical ...

journal_title：Radiology

authors： Watanabe M,Sakai O,Ozonoff A,Kussman S,Jara H

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:To establish an imaging approach to visualize the 100-microm-thick hippocampal neuron-generating dentate granule cell layer (DGCL) consistently within a clinically feasible magnetic resonance (MR) imaging duration and to assess its sensitivity by quantifying the likelihood that it will be detected in healthy yo...

journal_title：Radiology

authors： Prudent V,Kumar A,Liu S,Wiggins G,Malaspina D,Gonen O

更新日期：2010-03-01 00:00:00

abstract：:This prospective study assesses the contribution of lymphography (LAG), abdominal-pelvic computed tomography (CT), and bone marrow biopsy to the staging and management of 168 consecutive cases of newly diagnosed non-Hodgkin lymphoma (NHL). LAG and/or CT influenced Ann Arbor clinical stage (CS) in 39 patients (23%) and...

journal_title：Radiology

authors： Pond GD,Castellino RA,Horning S,Hoppe RT

更新日期：1989-01-01 00:00:00

abstract：:We report success with CT guided percutaneous catheter drainage of deep neck abscesses. The cost efficacy and decreased morbidity of percutaneous catheter drainage has been proved in abdominal and retroperitoneal abscess management, and CT for diagnosis of deep neck infections is well established. The logical applicat...

journal_title：Radiology

authors： Cole DR,Bankoff M,Carter BL

更新日期：1984-07-01 00:00:00

abstract：:Twenty-three patients with malignant hepatic tumors underwent magnetic resonance (MR) imaging before and after intravenous administration of gadolinium-diethylene-triaminepentaacetic acid (DTPA). Two different doses were used, 0.1 mmol/kg and 0.2 mmol/kg. The larger dose proved to be more effective than the smaller do...

journal_title：Radiology

authors： Hamm B,Wolf KJ,Felix R

更新日期：1987-08-01 00:00:00

abstract：PURPOSE:To assess the value of clinical, chest radiographic, and computed tomographic (CT) findings in classifying chronic diffuse infiltrative lung disease (CDILD) MATERIALS AND METHODS: Two samples from the same population were consecutively studied: the training set (group A, n = 208) for the development of the deci...

journal_title：Radiology

authors： Grenier P,Chevret S,Beigelman C,Brauner MW,Chastang C,Valeyre D

更新日期：1994-05-01 00:00:00

abstract：:We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea. Fifteen (47%) of these cisternography studies were positive, and the site of the leak was identified. No leak could be demonstrated i...

journal_title：Radiology

authors： Curnes JT,Vincent LM,Kowalsky RJ,McCartney WH,Staab EV

更新日期：1985-03-01 00:00:00

abstract：PURPOSE:To determine if a correlation exists between the number of previous enhanced magnetic resonance (MR) imaging examinations and high signal intensity in the globus pallidus (GP) and dentate nucleus (DN) in patients who received gadodiamide (Omniscan), a linear nonionic gadolinium-based contrast agent, and in thos...

journal_title：Radiology

authors： Ramalho J,Castillo M,AlObaidy M,Nunes RH,Ramalho M,Dale BM,Semelka RC

更新日期：2015-09-01 00:00:00