Composite graft replacement of the ascending aorta: leakage detection with gadolinium-enhanced MR imaging.

abstract：PURPOSE:To assess interobserver agreement in the interpretation of digital subtraction angiographic (DSA) images and conventional angiograms in patients with nondiagnostic lung scans. MATERIALS AND METHODS:One hundred thirty of 397 consecutive patients (65 men, 65 women; mean age, 57 years; age range, 18-92 years) in ...

journal_title：Radiology

authors： van Beek EJ,Bakker AJ,Reekers JA

更新日期：1996-03-01 00:00:00

abstract：PURPOSE:To analyze the effect of a decrease in computed tomographic (CT) colonographic voltage, from 100 and 120 kVp to 80 kVp and reconstructed with filtered back projection ( FBP filtered back projection ), on radiation dose, image noise, and diagnostic performance in anthropomorphic phantoms and to assess the effect...

journal_title：Radiology

authors： Shin CI,Kim SH,Lee ES,Lee DH,Hwang EJ,Chung SY,Lee JM,Han JK,Choi BI

更新日期：2014-12-01 00:00:00

abstract：:The CT findings in two surgically proved cases of spontaneous chronic extradural hematoma are presented. Tapered convex margins, a length greater than 2 cm, and associated normal intervertebral disks are findings that help distinguish chronic extradural hematoma from an extruded disk. ...

journal_title：Radiology

authors： Levitan LH,Wiens CW

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:To evaluate a technique to perform fluoroscopically directed thoracic transforaminal epidural injections. MATERIALS AND METHODS:Institutional review board approval and a waiver of consent were obtained for this retrospective HIPAA-compliant study. Findings from 198 consecutively performed foraminal nerve block...

journal_title：Radiology

authors： Rosas HG,Gilula LA

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To determine the prevalence of clinically serious findings unrelated to stroke on cranial magnetic resonance (MR) images in a population of community-dwelling elderly people. MATERIALS AND METHODS:Neuroradiologists reviewed MR images of 3,672 people aged 65 years and older who were enrolled in a longitudinal, ...

journal_title：Radiology

authors： Yue NC,Longstreth WT Jr,Elster AD,Jungreis CA,O'Leary DH,Poirier VC

更新日期：1997-01-01 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：:While invasive imaging techniques, especially selective conventional coronary angiography, will remain vital to planning and guiding catheter-based and surgical treatment of significantly stenotic coronary lesions, the comprehensive and serial assessment of asymptomatic or minimally symptomatic stages of coronary arte...

journal_title：Radiology

authors： Schoenhagen P,Halliburton SS,Stillman AE,Kuzmiak SA,Nissen SE,Tuzcu EM,White RD

更新日期：2004-07-01 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：:Three groups of apparently normal developmental variants in extremities as they appear on radiographs are presented. In contrast to the widely held view that these are of no clinical significance, these ossicles may, in fact, be responsible for symptoms. The first group consists of ossicles which, from the very onset,...

journal_title：Radiology

authors： Lawson JP

更新日期：1985-12-01 00:00:00

abstract：:Given the increasing diversification of computers in most areas of radiology, the ability to solve problems resulting from incompatibility between systems is becoming essential. Manufacturers should supply hardware and software documentation to allow connections between different systems and give the radiology departm...

journal_title：Radiology

authors： Ackerman LV

更新日期：1981-05-01 00:00:00

abstract：:Involvement of the terminal ileum in cases of cecal carcinoma usually results from direct extension through the cecal wall and ileocecal valve. Extensive lymphatic metastasis from cecal carcinoma can result in deranged lymphatic flow and apparently cause metastatic involvement of the ileum and its mesentery in the abs...

journal_title：Radiology

authors： Moffat RE,Gourley WK

更新日期：1980-04-01 00:00:00

abstract：PURPOSE:To compare the performance of apparent diffusion coefficient (ADC) measurement obtained with diffusion-weighted (DW) magnetic resonance (MR) imaging in the characterization of non-fat-containing T1 hyperintense renal lesions with that of contrast material-enhanced MR imaging, with histopathologic analysis and f...

journal_title：Radiology

authors： Kim S,Jain M,Harris AB,Lee VS,Babb JS,Sigmund EE,Rueff LE,Taouli B

更新日期：2009-06-01 00:00:00

abstract：:This study evaluated the feasibility of treatment of abdominal aortic aneurysm (AAA) by means of intraluminal bypass. Artificial aortic aneurysms with fusiform Dacron conduits were created at surgery , a weft-knit Dacron tube with balloon-expandable stents attached at both ends was inserted transfemorally through a 14...

journal_title：Radiology

authors： Laborde JC,Parodi JC,Clem MF,Tio FO,Barone HD,Rivera FJ,Encarnacion CE,Palmaz JC

更新日期：1992-07-01 00:00:00

abstract：:Twenty-nine patients with known or suspected malignancy were studied with identical T1-weighted (spin echo [SE] and inversion recovery [IR]) and T2-weighted SE magnetic resonance (MR) imaging at 0.5 and 1.5 T to evaluate the relative sensitivities of these sequences for detecting focal hepatic lesions. At 0.5 T, 98 le...

journal_title：Radiology

authors： Steinberg HV,Alarcon JJ,Bernardino ME

更新日期：1990-01-01 00:00:00

abstract：PURPOSE:To prospectively determine sensitivity and specificity of breast magnetic resonance (MR) imaging in a screening and symptomatic population by using independent double reading, with histologic or cytologic results or a minimum 18-month follow-up as the standard. MATERIALS AND METHODS:Informed consent and ethica...

journal_title：Radiology

authors： Warren RM,Pointon L,Thompson D,Hoff R,Gilbert FJ,Padhani A,Easton D,Lakhani SR,Leach MO,UK Magnetic Resonance Imaging in Breast Screening (MARIBS) Study Group.

更新日期：2005-09-01 00:00:00

abstract：:The measurement of supine pedal venous pressure as a screening test for deep venous thrombosis is re-evaluated. In 83 extremities studied in 50 patients, the false-positive rate was 62%, the false-negative rate 8%. Chronic venous disease, whatever its etiology but particularly in association with the post-phlebitis sy...

journal_title：Radiology

authors： Martin EC,Cohen L,Sawyer PN,Gordon DH

更新日期：1979-04-01 00:00:00

abstract：PURPOSE:To evaluate possible radiation dose reduction in the extremities with use of digital radiography and a needle-structured image plate (NIP) by comparing this technique with digital radiography performed with a powder-structured image plate (PIP) and a flat-panel detector (FPD). MATERIALS AND METHODS:This study ...

journal_title：Radiology

authors： Wirth S,Treitl M,Reiser MF,Körner M

更新日期：2009-01-01 00:00:00

abstract：:58 cases of breast cancer treated primarily by radiotherapy were evaluated to determine the optimum dose for local control. Of 36 patients with T1 + T2 lesions who had tumorectomy prior to radiotherapy, incomplete excision of tumor was demonstrated on microscopic examination in 18. The minimum tumor dose to the breast...

journal_title：Radiology

authors： Ghossein NA,Stacey P,Alpert RT,Ager PJ,Krishnaswamy V

更新日期：1976-11-01 00:00:00

abstract：PURPOSE:To retrospectively determine whether baseline nodule characteristics at 3-month and 1-year volume doubling time (VDT) are predictive for lung cancer in solid indeterminate noncalcified nodules (NCNs) detected at baseline computed tomographic (CT) screening. MATERIALS AND METHODS:The study, conducted between Ap...

journal_title：Radiology

authors： Xu DM,van der Zaag-Loonen HJ,Oudkerk M,Wang Y,Vliegenthart R,Scholten ET,Verschakelen J,Prokop M,de Koning HJ,van Klaveren RJ

更新日期：2009-01-01 00:00:00

abstract：PURPOSE:To assess whether using magnetic resonance (MR) imaging combined with computational fluid dynamics (CFD) could reveal changes in common carotid artery (CCA) flow and wall shear stress (WSS) that might contribute to differences in CCA remodeling between amlodipine, a calcium channel blocker, and lisinopril, an a...

journal_title：Radiology

authors： Ariff BB,Glor FP,Crowe L,Xu XY,Vennart W,Firmin DN,Thom SM,Hughes AD

更新日期：2010-12-01 00:00:00

abstract：:The variety of cervical lymphadenectomy and neck reconstructive procedures that have been developed in the past 20 years has led to confusion about nomenclature in the literature. In addition, some of these operations result in gross alteration of the normal anatomy. The authors review the present classification syste...

journal_title：Radiology

authors： Som PM,Urken ML,Biller H,Lidov M

更新日期：1993-06-01 00:00:00

abstract：:Ten ureteral strictures that developed in nine patients after renal transplantation were managed with balloon catheter dilation and placement of a ureteral stent. Four strictures were successfully dilated (40%), with a follow-up of 15-42 months (mean, 29 months). Comparison of these cases with the six cases of unsucce...

journal_title：Radiology

authors： Kim JC,Banner MP,Ramchandani P,Grossman RA,Pollack HM

更新日期：1993-03-01 00:00:00

abstract：:Dose distributions in electron-beam arc therapy were investigated using the electron beam from a Brown Boveri 45 MeV betatron. This variable isocenter machine is equipped with an angular speed control device that synchronizes the radiation dose rate with the rotation speed about the isocenter. An Alderson Rando phanto...

journal_title：Radiology

authors： Ruegsegger DR,Lerude SD,Lyle D

更新日期：1979-11-01 00:00:00

abstract：:Fifteen patients with suspected or known aortic dissection were imaged with magnetic resonance (MR). Thirteen of these patients were eventually shown to have dissection. In most instances the diagnosis was established by aortography and/or computed tomography (CT) prior to the MR study. Surgical proof (6/13) and/or ao...

journal_title：Radiology

authors： Amparo EG,Higgins CB,Hricak H,Sollitto R

更新日期：1985-05-01 00:00:00

abstract：PURPOSE:To determine whether a 10-minute magnetic resonance (MR) imaging examination of the upper abdomen provides sufficiently comprehensive information to replace a longer MR protocol. MATERIALS AND METHODS:Images obtained with selected breathing-independent and breath hold MR sequences, with 2 minutes of total acqu...

journal_title：Radiology

authors： Semelka RC,Balci NC,Op de Beeck B,Reinhold C

更新日期：1999-04-01 00:00:00

abstract：:A new type of endovascular prosthesis was inserted in 28 animals and evaluated for several factors, including thrombogenicity, tendency to migrate, critical implant zones, and incorporation into the vascular wall. The new prosthesis is a woven, multifilament structure of stainless steel alloy; its inherent elastic, se...

journal_title：Radiology

authors： Rousseau H,Puel J,Joffre F,Sigwart U,Duboucher C,Imbert C,Knight C,Kropf L,Wallsten H

更新日期：1987-09-01 00:00:00

abstract：PURPOSE:To determine the appearance of normal hilar lymph nodes and associated soft tissue at spiral computed tomography (CT). MATERIALS AND METHODS:At spiral CT in 50 healthy patients, peribronchovascular hypoattenuated areas of 42 right and 45 left hila were systematically evaluated. Histologic results were correlat...

journal_title：Radiology

authors： Remy-Jardin M,Duyck P,Remy J,Petyt L,Wurtz A,Mensier E,Copin MC,Riquet M

更新日期：1995-08-01 00:00:00

abstract：:Purpose To evaluate the diagnostic accuracy of the quantitative parameter standardized uptake value (SUV) at single photon emission computed tomography (SPECT)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). Materials and Methods This study was approved by the institutional...

journal_title：Radiology

authors： Suh MS,Lee WW,Kim YK,Yun PY,Kim SE

更新日期：2016-09-01 00:00:00

abstract：:The influence of viewing time on the detectability of subtle and obvious lung cancers was studied. Frontal chest radiographs of 40 patients with subtle cancers, 40 patients with obvious cancers, and 40 healthy control subjects were shown to four observers for four different viewing times (0.25 second, 1 second, 4 seco...

journal_title：Radiology

authors： Oestmann JW,Greene R,Kushner DC,Bourgouin PM,Linetsky L,Llewellyn HJ

更新日期：1988-02-01 00:00:00

abstract：PURPOSE:To quantify, with three-dimensional proton magnetic resonance (MR) spectroscopy, metabolic characteristics of normal-appearing white matter and nonenhancing lesions in patients with relapsing-remitting multiple sclerosis (MS). MATERIALS AND METHODS:Institutional review board approval and informed patient conse...

journal_title：Radiology

authors： He J,Inglese M,Li BS,Babb JS,Grossman RI,Gonen O

更新日期：2005-01-01 00:00:00