Chronic portosystemic encephalopathy: embolization of portosystemic shunts.

abstract：PURPOSE:To evaluate the clinical relevance of neovascularization diagnosed with power Doppler ultrasonography (US) in Achilles tendons in patients with chronic achillodynia. MATERIALS AND METHODS:Forty consecutive patients (mean age, 52 years; age range, 30-72 years) were examined. US was performed bilaterally and rep...

journal_title：Radiology

authors： Zanetti M,Metzdorf A,Kundert HP,Zollinger H,Vienne P,Seifert B,Hodler J

更新日期：2003-05-01 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：:Microwave radiometry is a passive and noninvasive technique that allows quick detection of subcutaneous temperature changes. The feasibility of this technique for differentiating normal intravenous infusions of radiographic contrast medium from extravasations of contrast medium was tested in anesthetized dogs. Room-te...

journal_title：Radiology

authors： Shaeffer J,Sigfred SV,Sevcik MA,Grabowy RS,Gemmell LA,Hirschman AD

更新日期：1992-07-01 00:00:00

abstract：:Limited-stage small cell lung cancer is frequently treated with induction combination chemotherapy (ICC), followed by consolidation with thoracic irradiation. It has been suggested that patients who do not have a complete response to ICC are unlikely to have control of occult distant metastasis and consequently have s...

journal_title：Radiology

authors： Armstrong JG,Rosenstein MM,Scher HI,Fass DE,Zelefsky MJ,Kris MG

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:To assess the decisions made by uroradiologists regarding choice of type of intravenous contrast material (low-osmolar contrast media [LOCM] vs conventional ionic agents) and frequency of use of corticosteroid prophylaxis. MATERIALS AND METHODS:A questionnaire was mailed to 158 members of the Society of Urorad...

journal_title：Radiology

authors： Cohan RH,Ellis JH,Dunnick NR

更新日期：1995-02-01 00:00:00

abstract：:Spurting of blood from standard arterial needles during guide-wire insertion can be controlled easily with a syringe and a simple needle inserted along the syringe plunger. With this method, blood droplets that may be infected with the hepatitis or human immunodeficiency virus will not come into contact with the head ...

journal_title：Radiology

authors： Cope C,Machan L

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To determine performance characteristics of transvaginal ultrasonography (US) and hysterosonography for diagnosing endometrial abnormality in asymptomatic postmenopausal women with breast cancer receiving tamoxifen. MATERIALS AND METHODS:The authors prospectively examined 138 women receiving tamoxifen by using...

journal_title：Radiology

authors： Fong K,Kung R,Lytwyn A,Trudeau M,Chapman W,Nugent P,Glanc P,Manchul L,Szabunio D,Myhr T

更新日期：2001-09-01 00:00:00

abstract：PURPOSE:To review the mammographic features of screening interval breast cancers and to compare the tumor size, histologic grade, and lymph node involvement with those in screening-detected and unscreened symptomatic cancers. MATERIALS AND METHODS:Screening mammography was performed in 72,773 women aged 50-64 years. N...

journal_title：Radiology

authors： Burrell HC,Sibbering DM,Wilson AR,Pinder SE,Evans AJ,Yeoman LJ,Elston CW,Ellis IO,Blamey RW,Robertson JF

更新日期：1996-06-01 00:00:00

abstract：:A case of actinomycosis involving the pelvic cavity is reported. The patient had a pelvic mass clinically and radiographically. Barium enema examination showed a mass with extrinsic compression and fixed narrowing of the rectum with mucosal irregularity. A computed tomographic scan showed a pelvic mass displacing the ...

journal_title：Radiology

authors： Maloney JJ,Cho SR

更新日期：1983-08-01 00:00:00

abstract：:Solid intrarenal neoplasms in children are usually Wilms tumors. Occasionally, however, a neuroblastoma appears to be intrarenal. In six cases where this phenomenon was observed, the histologic findings of each tumor were identical: undifferentiated neuroblastoma. In each case the child's condition rapidly and progres...

journal_title：Radiology

authors： Rosenfield NS,Leonidas JC,Barwick KW

更新日期：1988-01-01 00:00:00

abstract：:Sonographic analysis of the sciatic nerve was performed in vitro (anatomic specimen), in vivo (healthy volunteers), and in 16 patients with suspected peripheral sciatic nerve lesions. The ultrasound (US) examinations were performed with standard and high-resolution US equipment with linear-array configuration. The nor...

journal_title：Radiology

authors： Graif M,Seton A,Nerubai J,Horoszowski H,Itzchak Y

更新日期：1991-11-01 00:00:00

abstract：:Quantitative microstructural sonography differs from conventional sonography in several ways. The frequency as well as the amplitude of echoes is recorded and assessed using spectral analysis techniques. The effects of diffraction of the ultrasound beam are calibrated, as are the transfer characteristics of the system...

journal_title：Radiology

authors： King DL,Lizzi FL,Feleppa EJ,Wai PM,Yaremko MM,Rorke MC,Herbst J

更新日期：1985-05-01 00:00:00

abstract：:Schmieder and colleagues introduced a new molecular magnetic resonance (MR) probe with a promising lipophilic gadolinium chelate complex that provides high relaxivity. Results of in vivo experiments clearly demonstrate the excellence of the probe for longitudinally monitoring α(v)β(3) integrin expression in tumors. In...

journal_title：Radiology

authors： Kiessling F

更新日期：2013-08-01 00:00:00

abstract：:Knowledge of the timing and course of neonatal intracranial hemorrhage is essential in determining the etiology of hemorrhage, since the key to preventing neurologic damage in newborns is to define preventable causes and to treat the complications of hemorrhage. In an intensive study of 49 neonates delivered less than...

journal_title：Radiology

authors： Rumack CM,Manco-Johnson ML,Manco-Johnson MJ,Koops BL,Hathaway WE,Appareti K

更新日期：1985-01-01 00:00:00

abstract：:Modern rapid magnetic resonance (MR) imaging techniques have led to widespread use of the modality in cardiac imaging. Despite this progress, many MR studies suffer from image degradation due to involuntary motion during the acquisition. This review describes the type and extent of the motion of the heart due to the c...

journal_title：Radiology

authors： Scott AD,Keegan J,Firmin DN

更新日期：2009-02-01 00:00:00

abstract：PURPOSE:To investigate the value of viscosity measured with ultrasonographic (US) elastography in liver fibrosis staging and to determine whether the use of a viscoelastic model to estimate liver elasticity can improve its accuracy in fibrosis staging. MATERIALS AND METHODS:The study, which was performed from February...

journal_title：Radiology

authors： Chen S,Sanchez W,Callstrom MR,Gorman B,Lewis JT,Sanderson SO,Greenleaf JF,Xie H,Shi Y,Pashley M,Shamdasani V,Lachman M,Metz S

更新日期：2013-03-01 00:00:00

abstract：:Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Moore JS Jr,Payne JT

更新日期：1977-10-01 00:00:00

abstract：PURPOSE:To prospectively determine feasibility of contrast material-enhanced magnetic resonance (MR) angiography of the peripheral arteries from distal aorta to pedal arteries with a 1.0-T system and a dedicated phased-array coil. MATERIALS AND METHODS:Twenty-seven patients with peripheral arteriosclerotic occlusive d...

journal_title：Radiology

authors： Janka R,Fellner C,Wenkel E,Lang W,Bautz W,Fellner FA

更新日期：2005-04-01 00:00:00

abstract：:The effects of diagnostic levels of ultrasound on DNA of HeLa cells included: increased immunoreactivity to antinucleoside antibodies in G1 cells, strongly suggestive of unwinding of the helix or single-strand break induction, and low levels of non-semiconservative synthesis in logarithmically growing cells treated wi...

journal_title：Radiology

authors： Liebeskind D,Bases R,Elequin F,Neubort S,Leifer R,Goldberg R,Koenigsberg M

更新日期：1979-04-01 00:00:00

abstract：:Prospective data were collected on complications associated with intraarterial digital subtraction angiography in 2,475 consecutive patients at a 650-bed Melbourne teaching hospital. Carotid or cerebral studies were performed in 939 patients, and the prevalence of stroke (ie, permanent neurologic deficit) was 0.3%. Th...

journal_title：Radiology

authors： Waugh JR,Sacharias N

更新日期：1992-01-01 00:00:00

abstract：:Computed tomographic brain scans of the newborn exhibit relatively greater lucency of white matter compared to the mature patient. This study correlated the x-ray attenuation of white matter with gestational age in 23 neonates, both premature and term. The gray-white matter attenuation difference was calculated and pl...

journal_title：Radiology

authors： Brant-Zawadzki M,Enzmann DR

更新日期：1981-04-01 00:00:00

abstract：:Cerebral amyloid angiopathy (CAA) is a cause of intracerebral hemorrhage in a significant proportion of normotensive patients. Two cases of pathologically proved multiple intracerebral hemorrhages due to CAA are reported. These hemorrhages are accurately demonstrated on computed tomography and are typically superficia...

journal_title：Radiology

authors： Patel DV,Hier DB,Thomas CM,Hemmati M

更新日期：1984-05-01 00:00:00

abstract：PURPOSE:To investigate the implications of mistaking the medial surface of the cerebral hemisphere for the medial wall of the lateral ventricle at antenatal ultrasonography (US) and to identify US clues that might help avoid this interpretive error. MATERIALS AND METHODS:In 50 second- and third-trimester fetuses, a di...

journal_title：Radiology

authors： Hertzberg BS,Kliewer MA,Bowie JD

更新日期：1997-12-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the role of computer-aided detection (CAD) in reducing the rate of false-negative (FN) findings on screening mammograms considered normal at initial double reading. MATERIALS AND METHODS:At the authors' institution, independent prospective double readings in which the second reader ...

journal_title：Radiology

authors： Destounis SV,DiNitto P,Logan-Young W,Bonaccio E,Zuley ML,Willison KM

更新日期：2004-08-01 00:00:00

abstract：PURPOSE:To determine the effects of the Valsalva maneuver on intraluminal colon pressure during air enema studies. MATERIALS AND METHODS:Air enema studies were performed in four adult volunteers, and intraluminal colon pressure measurements were recorded with a high-speed electronic strip chart and aneroid gauge metho...

journal_title：Radiology

authors： Bramson RT,Shiels WE 2nd,Eskey CJ,Hu SY

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:To determine the diagnostic efficacy of hard- and soft-copy computed radiographic (CR) images versus conventional screen-film images of the chest in the detection of subtle pulmonary abnormalities. MATERIALS AND METHODS:Twenty observes compared 87 hard-copy and soft-copy CR images with hard-copy screen-film im...

journal_title：Radiology

authors： Ishigaki T,Endo T,Ikeda M,Kono M,Yoshida S,Ikezoe J,Murata K,Matsumoto M

更新日期：1996-10-01 00:00:00

abstract：:The association between histo-compatibility antigens and disease is reviewed, in particular that between HLA-B27 and spondylitic disorders, i.e., ankylosing spondylitis, Reiter's arthritis, psoriatic arthritis, and ankylosing hyperostosis. We determined whether the presence of HLA-B27 predicted specific radiographic f...

journal_title：Radiology

authors： Schumacher TM,Genant HK,Kellet MJ,Mall JC,Fye KH

更新日期：1978-02-01 00:00:00

abstract：:Bowel perforation by ventriculo-peritoneal shunts occurred in two children with no abdominal symptoms. The diagnosis in each instance was confirmed by opacification of the colon in one child and the small bowel in the other via contrast medium injection of the distal shunt tubing. "Shuntograms" are recommended for all...

journal_title：Radiology

authors： Azimi F,Dinn WM,Naumann RA

更新日期：1976-12-01 00:00:00

abstract：:Vessel rupture complicating transluminal angioplasty is an uncommon event, especially in the renal artery. The authors report such a case, which was treated with immediate balloon tamponade and did not require surgical intervention. Possible causes and appropriate management are discussed, as well as the need for repo...

journal_title：Radiology

authors： Ashenburg RJ,Blair RJ,Rivera FJ,Weigele JB

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To determine the most accurate imaging modality for detection of silicone implant ruptures. MATERIALS AND METHODS:Forty single-lumen silicone implants were surgically placed in 20 rabbits. Each rabbit received one intact and one ruptured implant and was examined with mammography, magnetic resonance (MR) imagin...

journal_title：Radiology

authors： Gorczyca DP,DeBruhl ND,Ahn CY,Hoyt A,Sayre JW,Nudell P,McCombs M,Shaw WW,Bassett LW

更新日期：1994-01-01 00:00:00