Political trends in vascular and interventional radiology: a randomized survey.

abstract：:Purpose To develop multiparametric magnetic resonance (MR) imaging models to generate a quantitative, user-independent, voxel-wise composite biomarker score (CBS) for detection of prostate cancer by using coregistered correlative histopathologic results, and to compare performance of CBS-based detection with that of s...

journal_title：Radiology

authors： Metzger GJ,Kalavagunta C,Spilseth B,Bolan PJ,Li X,Hutter D,Nam JW,Johnson AD,Henriksen JC,Moench L,Konety B,Warlick CA,Schmechel SC,Koopmeiners JS

更新日期：2016-06-01 00:00:00

abstract：:Transcolorectal endosonography (TES) with use of both a nonoptic instrument and an echocolonoscope was performed in 91 patients with colorectal carcinomas (61 rectal and 30 colonic). Correlation of results at TES with results of histologic analysis of resected specimens according to the 1987 TNM classification demonst...

journal_title：Radiology

authors： Tio TL,Coene PP,van Delden OM,Tytgat GN

更新日期：1991-04-01 00:00:00

abstract：:Thirty-seven patients with 18 primary advanced or persistent, 16 local recurrent, and three local metastatic tumors of the head and neck were treated with a combination of interstitial low-dose iridium-192 radiation therapy and interstitial 915-MHz microwave hyperthermia supplemented by external radiation therapy. Twe...

journal_title：Radiology

authors： Seegenschmiedt MH,Sauer R,Fietkau R,Karlsson UL,Brady LW

更新日期：1990-07-01 00:00:00

abstract：:The records of 22 patients in whom wall thickening of the renal collecting system was seen at ultrasound (US) were retrospectively reviewed. Wall thickening was found in 15 patients with renal transplants and seven with native kidneys. Severe thickening occurred with transplant rejection, but thickening also occurred ...

journal_title：Radiology

authors： Nicolet V,Carignan L,Dubuc G,Hébert G,Bourdon F,Paquin F

更新日期：1988-08-01 00:00:00

abstract：:Thirty-six proven cases of medulloblastoma were reviewed by serial CT follow-up examinations from 4 months to 10 years, 2 months after the initial diagnosis, with a mean follow-up time of 3 years, 9 months. The children ranged in age from 10 months to 16 years, 7 months at the time of follow-up. The tumor recurred at ...

journal_title：Radiology

authors： Lee YY,Glass JP,van Eys J,Wallace S

更新日期：1985-03-01 00:00:00

abstract：:A gradient intensifying screen composed of rare earth phosphors and calcium tungstate was developed. It provides uniform film density when there is a graded increase in subject density. Use of this screen for scoliosis radiography provides an improved image and reduces radiation exposure. ...

journal_title：Radiology

authors： Ritter EM,Wright CE,Fritz SL,Kirchmer NA,De Smet AA

更新日期：1980-04-01 00:00:00

abstract：:Acentric chromosome fragments produced in cells by irradiation or other agents give rise to micronuclei in daughter cells. The micronuclei can be counted readily in large numbers of cells which provides a sensitive measure of chromosome aberrations. Previous studies have shown that the presence of contrast material en...

journal_title：Radiology

authors： Cochran ST,Khodadoust A,Norman A

更新日期：1980-07-01 00:00:00

abstract：:Esophageal atresia may be associated with a long interval or gap between the upper and lower pouches. Despite a variety of procedures to elongate the esophagus, surgeons have been unable to achieve esophageal continuity in many patients. Three infants with esophageal atresia and long gaps recently underwent hydrostati...

journal_title：Radiology

authors： Kleinman PK,Waite RJ,Cohen IT,Hirsh MP,Belanger PL

更新日期：1989-06-01 00:00:00

abstract：PURPOSE:To validate coronary sinus flow measurements for quantification of global left ventricular (LV) perfusion by means of velocity-encoded cine (VEC) magnetic resonance (MR) imaging and flow probes. MATERIALS AND METHODS:Measurements of coronary sinus flow were performed in seven dogs by using VEC MR imaging at ba...

journal_title：Radiology

authors： Lund GK,Wendland MF,Shimakawa A,Arheden H,Ståhlberg F,Higgins CB,Saeed M

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:To determine characteristic features of peripheral cholangiocarcinoma on two-phase spiral computed tomographic (CT) scans. MATERIALS AND METHODS:Thirty-four patients with peripheral cholangiocarcinoma underwent two-phase spiral CT. Hepatic arterial phase and portal venous phase images were obtained 30 and 65 s...

journal_title：Radiology

authors： Kim TK,Choi BI,Han JK,Jang HJ,Cho SG,Han MC

更新日期：1997-08-01 00:00:00

abstract：:Although magnetic resonance (MR) imaging has been used to evaluate many musculoskeletal lesions, the MR appearance of pigmented villonodular synovitis (PVNS) has not been described in detail. The authors describe two cases of PVNS in the knee imaged with both computed tomography and MR. In both cases parts of each les...

journal_title：Radiology

authors： Kottal RA,Vogler JB 3rd,Matamoros A,Alexander AH,Cookson JL

更新日期：1987-05-01 00:00:00

abstract：PURPOSE:To evaluate oxygen-enhanced T1-mapping magnetic resonance (MR) imaging as a noninvasive method for visualization and quantification of regional inflammation after segmental allergen challenge in asthmatic patients compared with control subjects. MATERIALS AND METHODS:After institutional review board approval, ...

journal_title：Radiology

authors： Renne J,Hinrichs J,Schönfeld C,Gutberlet M,Winkler C,Faulenbach C,Jakob P,Schaumann F,Krug N,Wacker F,Hohlfeld JM,Vogel-Claussen J

更新日期：2015-01-01 00:00:00

abstract：:The CT appearance of the adrenal glands was investigated in 30 patients with congenital renal anomalies (17 cases of unilateral renal agenesis, 11 of inferior ectopy, and 2 of crossed fused ectopy). The ipsilateral adrenal was clearly identified in 83% of these patients; in all of them, the adrenal was a paraspinal di...

journal_title：Radiology

authors： Kenney PJ,Robbins GL,Ellis DA,Spirt BA

更新日期：1985-04-01 00:00:00

abstract：:In the early years of nuclear medicine, physicians explored applied nuclear physics, and physicists pursued uncharted areas in medicine. Reflections from Jim Adelstein, MD, PhD, John McAfee, MD, Henry Wagner, MD, Fred Bonte, MD, Dave Kuhl, MD, and Alex Gottschalk, MD, add to the appreciation of the diversity in those ...

journal_title：Radiology

authors： Potchen EJ

更新日期：2000-03-01 00:00:00

abstract：:The authors report their experience with magnetic resonance imaging (MR) in 20 patients with CT-proved lymphadenopathy of the abdomen and pelvis. Signal intensity from abnormal nodes was intermediate between fat and muscle (T1 longer than fat and muscle; T2 equal to or slightly shorter than fat but longer than muscle)...

journal_title：Radiology

authors： Lee JK,Heiken JP,Ling D,Glazer HS,Balfe DM,Levitt RG,Dixon WT,Murphy WA Jr

更新日期：1984-10-01 00:00:00

abstract：:The x-ray photon energies that give the highest signal-to-noise ratios per unit of exposure or average dose in mammography are significantly greater than those used in current film/screen systems. Optimum photon energies for detection of calcifications in a range of thicknesses of water and fat were calculated. Soft-t...

journal_title：Radiology

authors： Muntz EP,Welkowsky M,Kaegi E,Morsell L,Wilkinson E,Jacobson G

更新日期：1978-05-01 00:00:00

abstract：:Effective health care delivery systems rely heavily on high degrees of skill in professionalism and communication. These skills are essential to all of the missions of a successful radiology department. Until recently, there was a lack of emphasis on the importance of these issues and a lack of efforts in setting expe...

journal_title：Radiology

authors： Donnelly LF,Strife JL

更新日期：2006-03-01 00:00:00

abstract：:Purpose To determine whether there is an association between radiologist shift length, schedule, or examination volume and interpretive accuracy. Materials and Methods This study was institutional review board approved and HIPAA compliant. A retrospective analysis of all major discrepancies from a 2015 quality assuran...

journal_title：Radiology

authors： Hanna TN,Lamoureux C,Krupinski EA,Weber S,Johnson JO

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:To validate three previously identified quantitative image features across multiparametric magnetic resonance (MR) images acquired with imagers made by two different manufacturers to differentiate prostate cancer (PC) from normal prostatic tissue and to assess cancer aggressiveness. MATERIALS AND METHODS:This ...

journal_title：Radiology

authors： Peng Y,Jiang Y,Antic T,Giger ML,Eggener SE,Oto A

更新日期：2014-05-01 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：PURPOSE:To develop a method to assess volumetric cortical bone porosity in clinically practical acquisition times by measuring the signal decay at only two echo times (TEs) as part of a single three-dimensional ultrashort TE (UTE) magnetic resonance (MR) examination. MATERIALS AND METHODS:The study was approved by the...

journal_title：Radiology

authors： Rajapakse CS,Bashoor-Zadeh M,Li C,Sun W,Wright AC,Wehrli FW

更新日期：2015-08-01 00:00:00

abstract：PURPOSE:To examine the cost and efficacy of diagnostic work-up in patients with invasive cervical cancer. MATERIALS AND METHODS:In 246 patients with invasive cervical cancer, all diagnostic tests performed before treatment were recorded. Patients were divided into two groups: those who underwent magnetic resonance (MR...

journal_title：Radiology

authors： Hricak H,Powell CB,Yu KK,Washington E,Subak LL,Stern JL,Cisternas MG,Arenson RL

更新日期：1996-02-01 00:00:00

abstract：PURPOSE:To evaluate changes in cardiac and respiratory rates in a consecutive series of patients who underwent percutaneous treatment for lesions presumed to be osteoid osteoma in whom general anesthesia was established. MATERIALS AND METHODS:Changes in cardiac and respiratory rates were evaluated after establishment ...

journal_title：Radiology

authors： Rosenthal DI,Marota JJ,Hornicek FJ

更新日期：2003-01-01 00:00:00

abstract：:Color Doppler imaging (CDI) can demonstrate the relative direction and velocity of blood flow in color, superimposed on a conventional gray-scale ultrasound image that depicts stationary tissue. Twenty-five infants were studied with portable CDI in the coronal, sagittal, and axial planes. Bilateral antegrade flow was ...

journal_title：Radiology

authors： Mitchell DG,Merton D,Needleman L,Kurtz AB,Goldberg BB,Levy D,Rifkin MD,Pennell RG,Vilaro M,Baltarowich O

更新日期：1988-05-01 00:00:00

abstract：PURPOSE:To evaluate the magnetic resonance (MR) imaging appearance of the testes in women with complete androgen insensitivity syndrome (CAIS), including any benign or malignant changes. MATERIALS AND METHODS:This was a retrospective review of the testicular MR images and histologic reports from 25 patients with CAIS ...

journal_title：Radiology

authors： Nakhal RS,Hall-Craggs M,Freeman A,Kirkham A,Conway GS,Arora R,Woodhouse CR,Wood DN,Creighton SM

更新日期：2013-07-01 00:00:00

abstract：PURPOSE:To assess the spectrum of complications after emergency tube thoracostomy (TT) and show the role of computed tomography (CT) in detection of these abnormalities. MATERIALS AND METHODS:CT scans, chest radiographs, and clinical data were reviewed in 51 patients (77 tubes) who underwent emergency TT after trauma....

journal_title：Radiology

authors： Baldt MM,Bankier AA,Germann PS,Pöschl GP,Skrbensky GT,Herold CJ

更新日期：1995-05-01 00:00:00

abstract：:Background Assessment of femoral torsion at preoperative hip imaging is commonly recommended. However, it is unclear whether MRI is as accurate as CT and how different methods affect femoral torsion measurements. Purpose To compare MRI- and CT-based assessment of femoral torsion by using four commonly used measurement...

journal_title：Radiology

authors： Schmaranzer F,Kallini JR,Miller PE,Kim YJ,Bixby SD,Novais EN

更新日期：2020-08-01 00:00:00

abstract：PURPOSE:To test an optimized functional magnetic resonance (MR) imaging procedure to depict the motor hand representation area (HRA) in patients with epilepsy lesions near the central sulcus. MATERIALS AND METHODS:Fast low-angle shot MR imaging was performed with an oblique single-section imaging technique in eight co...

journal_title：Radiology

authors： Achten E,Jackson GD,Cameron JA,Abbott DF,Stella DL,Fabinyi GC

更新日期：1999-02-01 00:00:00

abstract：:Despite the widespread use of interventional radiologic techniques, there has been reluctance to apply these to the spleen. Concern for bleeding and difficulty in negotiating around the colon and pleura have limited its use. The authors report their experience with interventional radiology of the spleen in 35 cases, i...

journal_title：Radiology

authors： Quinn SF,vanSonnenberg E,Casola G,Wittich GR,Neff CC

更新日期：1986-11-01 00:00:00

abstract：:With the recent improvements in diagnosis and treatment of distal radius and carpal injuries, the hand surgeons' expectations of relevant radiologic interpretation of imaging studies are heightened. Conventional radiographic examinations, as well as more sophisticated and invasive studies, have important roles in the ...

journal_title：Radiology

authors： Goldfarb CA,Yin Y,Gilula LA,Fisher AJ,Boyer MI

更新日期：2001-04-01 00:00:00