Use of Wallstents for hemodialysis access-related venous stenoses and occlusions untreatable with balloon angioplasty.

abstract：:Current management of osteoarthritis (OA) is primarily focused on symptom control. Intra-articular corticosteroid (IACS) injections are often used for pain management of hip and knee OA in patients who have not responded to oral or topical analgesics. Recent case series suggested that negative structural outcomes incl...

journal_title：Radiology

authors： Guermazi A,Neogi T,Katz JN,Kwoh CK,Conaghan PG,Felson DT,Roemer FW

更新日期：2020-12-01 00:00:00

abstract：PURPOSE:To compare 1.5- and 3.0-T magnetic resonance (MR) images of porcine knee specimens containing artificial cartilage lesions in terms of accuracy of lesion depiction, image quality, and signal-to-noise ratio (SNR). MATERIALS AND METHODS:This Health Insurance Portability and Accountability Act-compliant study had...

journal_title：Radiology

authors： Masi JN,Sell CA,Phan C,Han E,Newitt D,Steinbach L,Majumdar S,Link TM

更新日期：2005-07-01 00:00:00

abstract：PURPOSE:To determine the association of cerebral arterial anomalies and progressive cerebral arterial occlusive disease in infants with facial hemangiomas. MATERIALS AND METHODS:The cases of eight infants (seven girls and one boy) with the diagnosis of cervicofacial hemangioma and intracranial arterial anomalies were ...

journal_title：Radiology

authors： Burrows PE,Robertson RL,Mulliken JB,Beardsley DS,Chaloupka JC,Ezekowitz RA,Scott RM

更新日期：1998-06-01 00:00:00

abstract：:The ability to resolve the fine linear structures of interstitial lung disease is one measure of the limiting performance characteristics of an imaging system. Conventional screen-film radiography was compared with six algorithms of isodose storage phosphor digital radiography (0.2-mm x 10-bit pixel matrix) in the det...

journal_title：Radiology

authors： Schaefer CM,Greene R,Llewellyn HJ,Mrose HE,Pile-Spellman EA,Rubens JR,Lindemann SR

更新日期：1991-03-01 00:00:00

abstract：:Institutional review board approval and informed consent were obtained. This study was conducted to evaluate a newly developed technique for discriminative color coding of tagged stool during three-dimensional (3D) endoluminal fly-through computed tomographic (CT) colonography and to determine its effect on reading ef...

journal_title：Radiology

authors： Park SH,Lee SS,Kim JK,Kim MJ,Kim HJ,Kim SY,Kim MY,Kim AY,Ha HK

更新日期：2008-09-01 00:00:00

abstract：:Acquisition and measurement of left ventricular (LV) volumes with a three-dimensional data set of cine magnetic resonance (MR) images from apex to base is a time-consuming process. Results of a study with 10 healthy volunteers and 10 patients with LV hypertrophy were prospectively evaluated. The heart was shown in the...

journal_title：Radiology

authors： Dulce MC,Mostbeck GH,Friese KK,Caputo GR,Higgins CB

更新日期：1993-08-01 00:00:00

abstract：:The authors reviewed 55 failed total condylar knee replacements, correlating the radiographic and surgical findings at removal or revision. Failure was due to infection in 20 cases, mechanical loosening in 18, instability without loosening in 10, malalignment without loosening in 4, a supracondylar fracture in 2, and ...

journal_title：Radiology

authors： Schneider R,Abenavoli AM,Soudry M,Insall J

更新日期：1984-08-01 00:00:00

abstract：:Power Doppler sonography was used in eight symptomatic knees in seven patients with arthritis before and after joint aspiration and intraarticular administration of steroids. A qualitative decrease in synovial perfusion was observed in all eight knees, and symptoms improved in seven of the eight cases. These prelimina...

journal_title：Radiology

authors： Newman JS,Laing TJ,McCarthy CJ,Adler RS

更新日期：1996-02-01 00:00:00

abstract：:Spiral volumetric computed tomography (CT) with single breath-hold technique was compared with conventional sequential CT in 39 patients. The spiral CT protocol consisted of a 10 mm/sec table feed during a 24-second breath hold at 145 mA, with reconstruction of images at 10-mm intervals; one (n = 21) or two (n = 18) s...

journal_title：Radiology

authors： Remy-Jardin M,Remy J,Giraud F,Marquette CH

更新日期：1993-05-01 00:00:00

abstract：:The authors conducted a multivariate analysis of the prognostic factors in 96 patients with early glottic cancer treated by radiation therapy. Of these, 73 had T1 and 23 had T2 tumor. The primary tumor was controlled in 82% of T1 and 74% of T2 lesions. Actuarial five-year survival rates were 87% for T1 and 74% for T2....

journal_title：Radiology

authors： Mantravadi RV,Liebner EJ,Haas RE,Skolnik EM,Applebaum EL

更新日期：1983-10-01 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：PURPOSE:To assess the value of resistive index (RI) and systolic acceleration time (SAT) for diagnosis of stenoses and thromboses of the hepatic artery in liver transplant recipients. MATERIALS AND METHODS:Doppler sonograms and angiograms in 125 liver transplant recipients were correlated and analyzed for any statisti...

journal_title：Radiology

authors： Dodd GD 3rd,Memel DS,Zajko AB,Baron RL,Santaguida LA

更新日期：1994-09-01 00:00:00

abstract：PURPOSE:To retrospectively determine if the use of a computer-aided detection (CAD) system can improve the performance of single reading of screening mammograms to match that of double reading in the United Kingdom. MATERIALS AND METHODS:Local research ethics committee approval was obtained; informed consent was not r...

journal_title：Radiology

authors： Gilbert FJ,Astley SM,McGee MA,Gillan MG,Boggis CR,Griffiths PM,Duffy SW

更新日期：2006-10-01 00:00:00

abstract：:Metallic foreign bodies ingested by eight patients (seven children) were removed from the upper gastrointestinal tract by means of a magnet inserted into the end of an orogastric tube. No patient required hospitalization, anesthesia, surgery, or subsequent radiography, and all patients remained asymptomatic. In no cas...

journal_title：Radiology

authors： Volle E,Hanel D,Beyer P,Kaufmann HJ

更新日期：1986-08-01 00:00:00

abstract：PURPOSE:To quantitatively evaluate and validate a two-phase helical computed tomographic (CT) protocol for evaluation of pancreatic tumors. MATERIALS AND METHODS:Twenty-seven patients with pathologically proved pancreatic adenocarcinomas prospectively underwent two-phase CT examination with helical acquisition during ...

journal_title：Radiology

authors： Lu DS,Vedantham S,Krasny RM,Kadell B,Berger WL,Reber HA

更新日期：1996-06-01 00:00:00

abstract：PURPOSE:To investigate the cost-effectiveness of computed tomography (CT) relative to radiography for cervical spine screening in trauma patients. MATERIALS AND METHODS:A decision analysis model was constructed to compare the incremental cost-effectiveness of radiography and CT as primary cervical spine screening moda...

journal_title：Radiology

authors： Blackmore CC,Ramsey SD,Mann FA,Deyo RA

更新日期：1999-07-01 00:00:00

abstract：:A review of 26 cases of columnar-lined (Barrett's) esophagus suggests that this lesion is more common than generally appreciated, usually arising consequent to reflux esophagitis. The radiologically detectable lesions frequently do not support the idea that Barrett's esophagus presents only with high esophageal ulcer ...

journal_title：Radiology

authors： Robbins AH,Hermos JA,Schimmel EM,Friedlander DM,Messian RA

更新日期：1977-04-01 00:00:00

abstract：:The use of vasopressin infusion or arterial embolization in the treatment of 87 patients with gastrointestinal hemorrhage is reviewed. A bleeding point was identified angiographically in 46 patients (53%), with a higher success rate in those with upper gastrointestinal hemorrhage (63%) than in those with lower (39%) g...

journal_title：Radiology

authors： Rahn NH 3rd,Tishler JM,Han SY,Russinovich NA

更新日期：1982-05-01 00:00:00

abstract：PURPOSE:To analyze the effect of the 1991 Maryland legislative mandate of screening mammography benefits. MATERIALS AND METHODS:Claims submitted between January 1991 and December 1993 for outpatient mammograms obtained in women covered under Blue Cross Blue Shield of Maryland insurance indemnity contracts were analyze...

journal_title：Radiology

authors： Dans PE,Wright AT

更新日期：1996-03-01 00:00:00

abstract：:One hundred thirty patients with a diversity of knee joint injuries were evaluated with a high-resolution magnetic resonance (MR) imaging technique. The authors report the accuracy of this technique in the evaluation of 105 patients with suspected meniscal tears, 26 patients with suspected cruciate ligament tears, and...

journal_title：Radiology

authors： Reicher MA,Hartzman S,Bassett LW,Mandelbaum B,Duckwiler G,Gold RH

更新日期：1987-02-01 00:00:00

abstract：PURPOSE:To prospectively assess the accuracy of unenhanced magnetic resonance (MR) imaging in the detection and localization of labral injuries. MATERIALS AND METHODS:One hundred three patients with clinically suspected shoulder injuries were prospectively examined with unenhanced MR imaging. A combination of gradient...

journal_title：Radiology

authors： Gusmer PB,Potter HG,Schatz JA,Wickiewicz TL,Altchek DW,O'Brien SJ,Warren RF

更新日期：1996-08-01 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：PURPOSE:To evaluate the diagnostic performance of coronary computed tomographic (CT) angiography for the diagnosis of mitral valve prolapse (MVP). MATERIALS AND METHODS:The retrospective case-controlled multicenter study protocol was approved by the institutional review boards. The U.S. part of the study was HIPAA com...

journal_title：Radiology

authors： Feuchtner GM,Alkadhi H,Karlo C,Sarwar A,Meier A,Dichtl W,Leschka S,Blankstein R,Gruenenfelder J,Stolzmann P,Cury RC

更新日期：2010-02-01 00:00:00

abstract：:In five patients undergoing magnetic resonance imaging of the knee after athletic injuries, the authors identified a vacuum phenomenon that simulated medial meniscal or joint compartment cartilaginous abnormality. A cadaveric knee was injected with air, and the findings were re-created. The presence of air or gas betw...

journal_title：Radiology

authors： Shogry ME,Pope TL Jr

更新日期：1991-08-01 00:00:00

abstract：PURPOSE:To investigate technical feasibility, test-retest reproducibility, and the ability to differentiate healthy subjects from subjects with osteoarthritis (OA) with diffusion-tensor (DT) imaging parameters and T2 relaxation time. MATERIALS AND METHODS:This study was approved by the institutional review board and w...

journal_title：Radiology

authors： Raya JG,Horng A,Dietrich O,Krasnokutsky S,Beltran LS,Storey P,Reiser MF,Recht MP,Sodickson DK,Glaser C

更新日期：2012-02-01 00:00:00

abstract：PURPOSE:To investigate whether smoking has an effect on recurrent lumen narrowing after percutaneous transluminal angioplasty (PTA) or stent placement in lower-limb arteries. MATERIALS AND METHODS:A total of 650 patients (median age, 70 years; 389 men) with peripheral artery disease who underwent iliac artery PTA (n =...

journal_title：Radiology

authors： Schillinger M,Exner M,Mlekusch W,Haumer M,Sabeti S,Ahmadi R,Wagner O,Minar E

更新日期：2004-06-01 00:00:00

abstract：:Gas cisternography was combined with edge-enhanced computed tomography (CT) in 6 patients and demonstrated the seventh and eighth cranial nerves thorugh both the cerebellopontine angle cistern and the internal auditory canal in the normal patients. The normal nerve outline was lost when a tumor was contained within th...

journal_title：Radiology

authors： Bentson JR,Mancuso AA,Winter J,Hanafee WN

更新日期：1980-09-01 00:00:00

abstract：:Purpose To determine the effect of radiation dose and iterative reconstruction (IR) on noise, contrast, resolution, and observer-based detectability of subtle hypoattenuating liver lesions and to estimate the dose reduction potential of the IR algorithm in question. Materials and Methods This prospective, single-cente...

journal_title：Radiology

authors： Solomon J,Marin D,Roy Choudhury K,Patel B,Samei E

更新日期：2017-09-01 00:00:00

abstract：:Eleven patients who had lung tumors associated with obstructive pneumonitis and who failed to yield diagnostic material at conventional bronchoscopic biopsy underwent real-time ultrasonographic (US) studies and US-guided aspiration biopsy. Sonography of the consolidated lung showed a wedge-shaped hypoechoic lesion con...

journal_title：Radiology

authors： Yang PC,Luh KT,Wu HD,Chang DB,Lee LN,Kuo SH,Yang SP

更新日期：1990-03-01 00:00:00

abstract：:Computer-controlled graphic displays are a necessity in many nuclear medicine studies. The authors propose using a set-up consisting of three modules: (a) a display system based on television technology; (b) an instrument interface employing list mode and having a low information loss rate; and (c) flexible modular so...

journal_title：Radiology

authors： Noz ME,Schimpf JH,Maguire GQ Jr

更新日期：1977-09-01 00:00:00