New device for percutaneous fragmentation of pulmonary emboli.

abstract：:Ultrasound detected cystic intracranial lesions in 18 infants. Lesions included porencephaly (6 infants), hydranencephaly (1 infant), a quadrigeminal cyst (1 infant), Dandy-Walker syndrome (1 infant), and cavum septi pellucidi and Vergae (9 infants). Cystic lesions of the infant brain can be delineated accurately with...

journal_title：Radiology

authors： Mack LA,Rumack CM,Johnson ML

更新日期：1980-11-01 00:00:00

abstract：:Purpose To determine the relationship of patellofemoral joint alignment and trochlear morphology to superolateral Hoffa fat pad (SHFP) edema on magnetic resonance (MR) images in older adults with or at risk for osteoarthritis of the knee. Materials and Methods Institutional review board approval and written informed c...

journal_title：Radiology

authors： Widjajahakim R,Roux M,Jarraya M,Roemer FW,Neogi T,Lynch JA,Lewis CE,Torner JC,Felson DT,Guermazi A,Stefanik JJ

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:To measure mean cerebral blood flow (CBF) in ischemic and nonischemic territories and in low-attenuation regions in patients with acute stroke by using deconvolution-derived hemodynamic imaging. MATERIALS AND METHODS:Twelve patients with acute middle cerebral artery stroke and 12 control patients were examined...

journal_title：Radiology

authors： Eastwood JD,Lev MH,Azhari T,Lee TY,Barboriak DP,Delong DM,Fitzek C,Herzau M,Wintermark M,Meuli R,Brazier D,Provenzale JM

更新日期：2002-01-01 00:00:00

abstract：:A technique for automatic retrospective correction of motion artifacts on magnetic resonance (MR) images was developed that uses only the raw (complex) data from the MR imager and requires no knowledge of patient motion during the acquisition. The algorithm was tested on coronal images of the rotator cuff in a series ...

journal_title：Radiology

authors： Manduca A,McGee KP,Welch EB,Felmlee JP,Grimm RC,Ehman RL

更新日期：2000-06-01 00:00:00

abstract：:Review of 367 cases of cholelithiasis in children from the literature and our experience showed that 81% of these patients has no evidence of hemolytic anemia. Oral cholecystograms were diagnostic of cholelithiasis in approximately 70% of these cases. Plain film studies were found to be of diagnostic value as a high p...

journal_title：Radiology

authors： Harned RK,Babbitt DP

更新日期：1975-11-01 00:00:00

abstract：PURPOSE:To investigate magnetic resonance (MR) imaging guidance of interstitial laser photocoagulation to treat primary breast cancer. MATERIALS AND METHODS:Twenty female patients with symptomatic breast cancers diagnosed at cytologic examination underwent interstitial laser photocoagulation by means of a single fiber...

journal_title：Radiology

authors： Mumtaz H,Hall-Craggs MA,Wotherspoon A,Paley M,Buonaccorsi G,Amin Z,Wilkinson I,Kissin MW,Davidson TI,Taylor I,Bown SG

更新日期：1996-09-01 00:00:00

abstract：PURPOSE:To test whether susceptibility-weighted magnetic resonance imaging at baseline may help predict cognitive decline. MATERIALS AND METHODS:This prospective study was approved by the institutional review board, and written informed consent was obtained from all participants. Thirty-five healthy control subjects a...

journal_title：Radiology

authors： Haller S,Bartsch A,Nguyen D,Rodriguez C,Emch J,Gold G,Lovblad KO,Giannakopoulos P

更新日期：2010-12-01 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 compare lung densitometric measurements that use a three-dimensional (3D) reconstruction of the lungs with those obtained from analysis of two-dimensional (2D) computed tomographic (CT) images, visual emphysema scores, and data from pulmonary function tests. MATERIALS AND METHODS:Thoracic helical CT scans w...

journal_title：Radiology

authors： Park KJ,Bergin CJ,Clausen JL

更新日期：1999-05-01 00:00:00

abstract：PURPOSE:To evaluate the effect of scanner type and calcium measure on the reproducibility of calcium measurements. MATERIALS AND METHODS:This investigation was approved by the institutional review boards of each study site and by the Institutional Review Board of the Los Angeles Biomedical Research Institute. Informed...

journal_title：Radiology

authors： Detrano RC,Anderson M,Nelson J,Wong ND,Carr JJ,McNitt-Gray M,Bild DE

更新日期：2005-08-01 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：:A fluid collection within the retropubic space has a characteristic sonographic contour which, when combined with a partially distended bladder, resembles a yoke over a bell. The fluid conforms to the anterior convexity of the bladder. This configuration is distinct from that of ascites or a lymphadenectomy-related ly...

journal_title：Radiology

authors： Spring DB,Deshon GE Jr,Babu S

更新日期：1983-04-01 00:00:00

abstract：:Computed tomography has been utilized to guide a needle into central nervous system lesions as small as one centimeter in diameter. Direct puncture has drained many abscesses effectively, provided material for immediate Gram stain and subsequent culture, and permitted irrigation with appropriate antibioties, Multilocu...

journal_title：Radiology

authors： Moran CJ,Naidich TP,Gado MH,Marchosky JA

更新日期：1979-06-01 00:00:00

abstract：:Sixteen of 227 patients referred for percutaneous placement of a ureteral stent had impassable stenoses. Stenoses were benign (n = 8) or attributed to malignant retroperitoneal neoplasm (n = 8). Electrocautery was used to create a neotract between the stenosed ureter and the bladder or ileal loop. A double-J stent was...

journal_title：Radiology

authors： Cornud FE,Casanova JM,Bonnel DH,Helenon OR,Hanna SM,Chretien YR,Dufour BF,Moreau JF

更新日期：1991-08-01 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：:Three patients with surgically proved pancreatic carcinoma and one with chronic and acute pancreatitis were evaluated by computed tomography. Scans through the pancreatic region were initially performed with standard 10-mm collimation and then repeated using thin-section (5-mm) collimation. In all cases a pathological...

journal_title：Radiology

authors： Callen PW,London SS,Moss AA

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To identify opportunities for improving patient-centered communication about diagnostic imaging tests that involve the use of radiation in a cancer care setting. MATERIALS AND METHODS:Institutional review board approval and informed consent were obtained for this HIPAA-compliant study. Patient knowledge, infor...

journal_title：Radiology

authors： Thornton RH,Dauer LT,Shuk E,Bylund CL,Banerjee SC,Maloney E,Fox LB,Beattie CM,Hricak H,Hay J

更新日期：2015-05-01 00:00:00

abstract：PURPOSE:To evaluate the use of ultrasound (US) for detection of wooden foreign bodies implanted in cadaveric specimens. MATERIALS AND METHODS:Wooden foreign bodies were randomly placed in the plantar soft tissues of three cadaver feet by using 5-mm-long incisions. Ten foreign bodies were 2.5 x 1.0 mm (length x diamete...

journal_title：Radiology

authors： Jacobson JA,Powell A,Craig JG,Bouffard JA,van Holsbeeck MT

更新日期：1998-01-01 00:00:00

abstract：:A 40-year-old man with a history of tuberculosis developed massive hemoptysis. Embolization of a bronchial artery branch did not resolve the bleeding. Selective angiography eventually revealed three pseudoaneurysms arising from an apical segmental branch of the right pulmonary artery, two of which were successfully em...

journal_title：Radiology

authors： Santelli ED,Katz DS,Goldschmidt AM,Thomas HA

更新日期：1994-11-01 00:00:00

abstract：:The echocardiograms of 17 patients with proved infective endocarditis were surveyed to assess the reliability of echocardiography in this disease. Vegetations were present on 20 valves (11 aortic, 7 mitral, 2 tricuspid) at surgery or autopsy. Echocardiography correctly identified the abnormality in 11 valves. There we...

journal_title：Radiology

authors： Thomson KR,Nanda NC,Gramiak R

更新日期：1977-11-01 00:00:00

abstract：:This study evaluates the mammographic findings in 352 patients, aged 30-85 years, who underwent spot localization and biopsy for evaluation of nonpalpable breast abnormalities. Malignancy was found at biopsy in 114 cases. The mammographic appearance (specifically, whether grouped microcalcifications, mass, or both wer...

journal_title：Radiology

authors： Hermann G,Janus C,Schwartz IS,Papatestas A,Hermann DG,Rabinowitz JG

更新日期：1988-11-01 00:00:00

abstract：PURPOSE:To test the hypothesis that computed tomographic (CT) scanning during early rather than middle diastole can significantly reduce the interscan variability of coronary artery calcium (CAC) scores. MATERIALS AND METHODS:Five hundred thirty-eight patients were initially enrolled; 282 of them were found to have CA...

journal_title：Radiology

authors： Mao S,Bakhsheshi H,Lu B,Liu SC,Oudiz RJ,Budoff MJ

更新日期：2001-09-01 00:00:00

abstract：:In tumor radiobiology, the hypoxic cell has become especially important because of recent evidence of acute hypoxic regions within experimental tumors. The impact of hyperthermia on the development of acute hypoxia is discussed. Two experiments for studying hyperthermia and hypoxia in tumors are presented. Knowledge o...

journal_title：Radiology

authors： Dewhirst MW,Ozimek EJ,Gross J,Cetas TC

更新日期：1980-12-01 00:00:00

abstract：PURPOSE:To compare the clinical effectiveness of a covered nitinol stent with that of a polyurethane stent for treatment of lacrimal system obstructions. MATERIALS AND METHODS:A nitinol stent was knit from a single thread of 0.1-mm nitinol wire in a tubular configuration and was covered by dipping the stent into a pol...

journal_title：Radiology

authors： Ko GY,Song HY,Seo TS,Kim TH,Sung KB,Yoon HK

更新日期：2003-04-01 00:00:00

abstract：PURPOSE:To evaluate radiologic findings of peripheral T-cell lymphoma (PTCL) of the colon at double-contrast barium enema examination. MATERIALS AND METHODS:Double-contrast barium enema findings in six patients with pathologically proved PTCL of the colon were retrospectively evaluated and compared with colonoscopic a...

journal_title：Radiology

authors： Lee HJ,Han JK,Kim TK,Kim YH,Kim KW,Choi BI

更新日期：2001-03-01 00:00:00

abstract：:Single and multiple dose-time fractionation schemes were investigated in patients with mycosis fungoides and lymphoma cutis. The single dose response shows that the disease-free interval is dose dependent. Remission rates are similar when the same total dose is given in either single treatments or multiple daily fract...

journal_title：Radiology

authors： Kim JH,Nisce LZ,D'Anglo GJ

更新日期：1976-05-01 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：PURPOSE:To determine the computed tomographic (CT) appearance of the normal modiolus and the pathologic alteration in patients with a large vestibular aqueduct and an otherwise normal-appearing cochlea. MATERIALS AND METHODS:Temporal bone CT studies obtained before and after a major upgrade of CT capability in 1992 we...

journal_title：Radiology

authors： Lemmerling MM,Mancuso AA,Antonelli PJ,Kubilis PS

更新日期：1997-07-01 00:00:00

abstract：PURPOSE:To determine whether spinal cord atrophy differs among disease subtypes in multiple sclerosis (MS) and whether it offers diagnostic and clinical correlative information beyond that provided by other magnetic resonance (MR) imaging markers. MATERIALS AND METHODS:The institutional review board approved the study...

journal_title：Radiology

authors： Lukas C,Sombekke MH,Bellenberg B,Hahn HK,Popescu V,Bendfeldt K,Radue EW,Gass A,Borgwardt SJ,Kappos L,Naegelin Y,Knol DL,Polman CH,Geurts JJ,Barkhof F,Vrenken H

更新日期：2013-11-01 00:00:00

abstract：:Renal uptake of 99mTc-sulfur colloid during liver and spleen imaging was observed in 4 patients; all had moderate to severe congestive heart failure. Four similar patients with this association have been reported. Although the exact mechanism of colloid uptake by the kidneys is not known, an association with congestiv...

journal_title：Radiology

authors： Klingensmith WC 3rd,Datu JA,Burdick DC

更新日期：1978-04-01 00:00:00