Quantification of the left ventricular volumes and function with cine MR imaging: comparison of geometric models with three-dimensional data.

abstract：PURPOSE:To evaluate the usefulness of Doppler ultrasonography (US) in the diagnosis of hyperfiltration in patients with insulin-dependent diabetes mellitus (IDDM). MATERIALS AND METHODS:Eighty-one consecutive patients with IDDM were studied. All patients were normotensive and had normal creatinine and blood urea nitro...

journal_title：Radiology

authors： Marzano MA,Pompili M,Rapaccini GL,Covino M,Cotroneo P,Manto A,Todaro L,Ghirlanda G,Gasbarrini G

更新日期：1998-12-01 00:00:00

abstract：PURPOSE:To investigate if abnormal early contrast enhancement of the aorta and decreased attenuation of pulmonary arteries at deep-inspiration spiral computed tomographic (CT) angiography might be caused by a patent foramen ovale (PFO). MATERIALS AND METHODS:Two hundred forty-four spiral CT angiographic images of the ...

journal_title：Radiology

authors： Henk CB,Grampp S,Linnau KF,Thurnher MM,Czerny C,Herold CJ,Mostbeck GH

更新日期：2003-03-01 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 compare findings with color Doppler sonography and magnetic resonance (MR) angiography in the diagnosis of Budd-Chiari syndrome. MATERIALS AND METHODS:Doppler sonographic scans and MR angiograms in 11 patients (five men and six women; age range, 30-63 years; mean age, 45 years) with proved Budd-Chiari syndr...

journal_title：Radiology

authors： Kane R,Eustace S

更新日期：1995-04-01 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：:Purpose To compare long-term graft and patient survival after percutaneous angioplasty (PTA) or stent placement for transplant renal artery stenosis (TRAS) with a control cohort without TRAS. Materials and Methods This is a retrospective matched cohort study of 41 patients (median age, 49 years; range, 18-72 years), i...

journal_title：Radiology

authors： Patel U,Kumar S,Johnson OW,Jeon JH,Das R

更新日期：2019-02-01 00:00:00

abstract：:Transhepatic portal venous embolization does not reduce immediate or long-term mortality or the incidence of rebleeding in patients with acute hemorrhage from gastroesophageal varices. Since in addition the procedure is not without risk to the operator, who is exposed to a considerable amount of radiation, the author ...

journal_title：Radiology

authors： Sos TA

更新日期：1983-08-01 00:00:00

abstract：:The concept of diffusion magnetic resonance (MR) imaging emerged in the mid-1980s, together with the first images of water diffusion in the human brain, as a way to probe tissue structure at a microscopic scale, although the images were acquired at a millimetric scale. Since then, diffusion MR imaging has become a pil...

journal_title：Radiology

authors： Iima M,Le Bihan D

更新日期：2016-01-01 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 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：: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：:Purpose To test whether MPO-Gd, an activatable molecular magnetic resonance (MR) imaging agent specific for myeloperoxidase (MPO) activity, could detect MPO activity in nonalcoholic steatohepatitis (NASH) mouse models and human liver biopsy samples. Materials and Methods In this study, 20 leptin receptor-deficient and...

journal_title：Radiology

authors： Pulli B,Wojtkiewicz G,Iwamoto Y,Ali M,Zeller MW,Bure L,Wang C,Choi Y,Masia R,Guimaraes AR,Corey KE,Chen JW

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To compare the accuracy of four breath-hold magnetic resonance (MR) imaging sequences to establish the most effective superparamagnetic iron oxide (SPIO)-enhanced sequence for detection of colorectal hepatic metastases. MATERIALS AND METHODS:Thirty-one patients with colorectal hepatic metastases underwent T1-w...

journal_title：Radiology

authors： Ward J,Guthrie JA,Wilson D,Arnold P,Lodge JP,Toogood GJ,Wyatt JI,Robinson PJ

更新日期：2003-09-01 00:00:00

abstract：PURPOSE:To test three-dimensional (3D), navigator-echo magnetic resonance (MR) coronary angiography in detecting stenoses of the coronary arteries. MATERIALS AND METHODS:Forty-two patients (age range, 50-79 years) underwent MR coronary angiography (1.5 T). A navigator-echo sequence was used. Two or three 15% overlappe...

journal_title：Radiology

authors： Sardanelli F,Molinari G,Zandrino F,Balbi M

更新日期：2000-03-01 00:00:00

abstract：:To improve the efficiency of magnetic resonance imaging of the total spine, the authors developed a coil holder and marker system to accurately localize the level of the spine imaged. The patient's external auditory canal and the alignment light on the imager are lined up with marks on the coil holder. The spine is th...

journal_title：Radiology

authors： Abrahams JJ,Lange RC

更新日期：1989-09-01 00:00:00

abstract：:The authors describe a simplified method of venography of the lower extremity which gives improved visualization of the proximal deep venous system. The technique involves high volumes of contrast material, no tourniquets, a relatively vertical, non-weight-bearing position, and passive elevation of the legs. ...

journal_title：Radiology

authors： Rampton JB,Armstrong JD Jr

更新日期：1977-06-01 00:00:00

abstract：:Compression ultrasound (US) has become widely used to diagnose acute deep venous thrombosis (DVT). To determine the appearance of veins with previous DVT, 60 legs (58 patients) in which DVT had been diagnosed 6-31 months earlier (mean, 15.1 months) were reexamined with compression US. At reevaluation there was no indi...

journal_title：Radiology

authors： Cronan JJ,Leen V

更新日期：1989-03-01 00:00:00

abstract：:A 33-year-old man with an intramedullary spinal cord germinoma was treated successfully with partial resection, combined chemotherapy with carboplatin and etoposide, and reduced-dose local-field radiation therapy. The authors believe this is the first case without syncytiotrophoblastic giant cells so treated. The lite...

journal_title：Radiology

authors： Hata M,Ogino I,Sakata K,Murata H,Kawano N,Matsubara S

更新日期：2002-05-01 00:00:00

abstract：:Twelve primary fourth ventricle tumors and 22 medulloblastomas occupying mainly the fourth ventricle were analyzed, with emphasis on the differential diagnosis, vascularity, and some unusual findings. Though both types of tumor often have identical manifestations, the correct diagnosis can be made in most cases by car...

journal_title：Radiology

authors： Numaguchi Y,Kishikawa T,Fukui M,Komaki S,Russell WJ,Ikeda J,Okudera T,Matsuura K,Kitamura K

更新日期：1978-08-01 00:00:00

abstract：:Background Dual-energy (DE) CT allows reconstruction of virtual noncontrast (VNC) images from a single-phase contrast agent-enhanced examination, potentially reducing the need for multiphasic CT to characterize renal lesions. However, data regarding diagnostic performance of VNC images for the characterization of rena...

journal_title：Radiology

authors： Meyer M,Nelson RC,Vernuccio F,González F,Farjat AE,Patel BN,Samei E,Henzler T,Schoenberg SO,Marin D

更新日期：2019-05-01 00:00:00

abstract：:HistoryA 63-year-old woman with a history of left mastectomy for breast cancer and partial gastrectomy with Roux-en-Y reconstruction for nonhealing peptic ulcer presented to the emergency department and reported a 1-month history of abdominal distention, fevers, chills, and flu-like symptoms. She was initially suspect...

journal_title：Radiology

authors： Davarpanah AH,Eberhardt LW

更新日期：2020-10-01 00:00:00

abstract：:Studies of 23 pediatric patients with pachygyriclike changes (PLCs) examined with computed tomography (CT) and magnetic resonance (MR) imaging were reviewed to determine topographic patterns and correlate them with various clinical syndromes and degrees of neurologic impairment. Three types of topographic distribution...

journal_title：Radiology

authors： Titelbaum DS,Hayward JC,Zimmerman RA

更新日期：1989-12-01 00:00:00

abstract：:In a study of 62 musculoskeletal neoplasms, computed tomography contributed little to establishing tissue diagnosis. Its primary value lay in the assessment of intraosseous and/or extraosseous extent of disease. CT also established the presence or absence of disease in a small number of cases with clinically questiona...

journal_title：Radiology

authors： deSantos LA,Goldstein HM,Murray JA,Wallace S

更新日期：1978-07-01 00:00:00

abstract：PURPOSE:To prospectively evaluate multiobserver diagnostic performance and reader agreement for colorectal polyp detection in a well-characterized cohort of patients with increased number of polyps, compared with an average-risk patient, with colonoscopy as the reference standard. MATERIALS AND METHODS:A cohort of 70 ...

journal_title：Radiology

authors： McFarland EG,Pilgram TK,Brink JA,McDermott RA,Santillan CV,Brady PW,Heiken JP,Balfe DM,Weinstock LB,Thyssen EP,Littenberg B

更新日期：2002-11-01 00:00:00

abstract：:The role of chest computed tomography (CT) in the evaluation of clinically staged T1N0M0 lung cancer is controversial. Using quantitative methods of decision analysis and data already available in the medical literature, the authors show how the clinical utility and cost effectiveness of chest CT are dependent on seve...

journal_title：Radiology

authors： Black WC,Armstrong P,Daniel TM

更新日期：1988-05-01 00:00:00

abstract：:Thirty-five patients who were to undergo radiotherapy and 13 normal subjects were evaluated with taste questionnaires, taste acuity tests, and plasma zinc analyses. The studies were repeated on the patients in the fifth week of radiotherapy. The mean taste thresholds for NaCl (salt), sucrose (sweet), HCl (sour), and u...

journal_title：Radiology

authors： Bolze MS,Fosmire GJ,Stryker JA,Chung CK,Flipse BG

更新日期：1982-07-01 00:00:00

abstract：:Vascular anomalies of the umbilical cord and fetus were evaluated with ultrasound in 11 fetuses. The anomalies included true knot of the cord (n = 1), umbilical vein varix (n = 1), persistent right umbilical vein (n = 1), and unilateral hypertrophy of the iliac artery in cases of a single umbilical artery (n = 8). One...

journal_title：Radiology

authors： Jeanty P

更新日期：1989-11-01 00:00:00

abstract：PURPOSE:To prospectively determine the accuracy of combination positron emission tomography-computed tomography (PET/CT) in lymph node staging in patients with early-stage cervical cancer, with histopathologic results as the reference standard. MATERIALS AND METHODS:The study was institutional review board approved, a...

journal_title：Radiology

authors： Sironi S,Buda A,Picchio M,Perego P,Moreni R,Pellegrino A,Colombo M,Mangioni C,Messa C,Fazio F

更新日期：2006-01-01 00:00:00

abstract：PURPOSE:To quantify tumor perfusion after transcatheter arterial embolization (TAE) with functional computed tomography (CT) and to validate the reproducibility of quantification measurements. MATERIALS AND METHODS:This study was conducted in accordance with an institutional animal care and use committee-approved prot...

journal_title：Radiology

authors： Kan Z,Kobayashi S,Phongkitkarun S,Charnsangavej C

更新日期：2005-10-01 00:00:00

abstract：:Intracranial tuberculoma was studied by computed tomography (CT) in eight patients. Upon contrast enhancement, two patterns were seen: (a) a small enhancing ring with a central punctate lucent area, and (b) nodular enhancement. The various CT findings are correlated with the clinical features and with the appearance o...

journal_title：Radiology

authors： Whelan MA,Stern J

更新日期：1981-01-01 00:00:00