The significance of residual disease after external irradiation of squamous-cell carcinoma of the oropharynx.

abstract：:The radiologic findings in three cases of meningovascular syphilis are presented. Angiography demonstrated varying degrees of narrowing and ectasia of the supraclinoid carotid, basilar, and proximal anterior and middle cerebral arteries, as well as distal branches. Computed tomography (CT) showed multifocal infarction...

journal_title：Radiology

authors： Holland BA,Perrett LV,Mills CM

更新日期：1986-02-01 00:00:00

abstract：:The hemodynamic effects of intra-material prostaglandin E1 (PE1) administered via the angiographic catheter were evaluated in 14 patients. Blood flow in the superior mesenteric artery (SMA) after PGE1 infusion was compared with control SMA blood flow as measured by the "spillover" angiographic reflux method, using a s...

journal_title：Radiology

authors： Clark RA,Colley DP,Jacobson ED,Herman R,Tyler G,Stahl D

更新日期：1980-02-01 00:00:00

abstract：:Purpose To determine the degree of preoperative fatty degeneration within muscles, postoperative longitudinal changes in fatty degeneration, and differences in fatty degeneration between patients with full-thickness supraspinatus tears who do and those who do not experience a retear after surgery. Materials and Method...

journal_title：Radiology

authors： Nozaki T,Tasaki A,Horiuchi S,Ochi J,Starkey J,Hara T,Saida Y,Yoshioka H

更新日期：2016-08-01 00:00:00

abstract：PURPOSE:To establish whether early use of magnetic resonance (MR) imaging or computed tomography (CT) influences treatment and outcome of patients with low back pain (LBP) and whether it is cost-effective. MATERIALS AND METHODS:In a multicenter randomized study, two imaging policies for LBP were compared in 782 partic...

journal_title：Radiology

authors： Gilbert FJ,Grant AM,Gillan MG,Vale LD,Campbell MK,Scott NW,Knight DJ,Wardlaw D,Scottish Back Trial Group.

更新日期：2004-05-01 00:00:00

abstract：:Noninvasive breast cancer comprises two distinct entities, lobular carcinoma in situ (LCIS) and ductal carcinoma in situ (DCIS). The increased use of screening mammography has caused more cases of noninvasive breast cancer to be discovered. However, the increased detection of LCIS and DCIS has posed problems in patien...

journal_title：Radiology

authors： Rebner M,Raju U

更新日期：1994-03-01 00:00:00

abstract：:In hepatic tumors seen in children, treatment and prognosis differ from tumor to tumor and thus accurate determination of their extent and characteristics is important. Evaluation by gray scale ultrasonography, radionuclide imaging and angiography has produced definable characteristics for the various tumor types and ...

journal_title：Radiology

authors： Miller JH,Gates GF,Stanley P

更新日期：1977-08-01 00:00:00

abstract：:Sixteen patients with cirrhosis of the liver underwent cranial magnetic resonance (MR) imaging and transarterial portography to evaluate the relationship between basal ganglia lesions and portal-systemic collateral vessels. No neuropsychiatric disturbance was observed in any of the patients at the time of the MR exami...

journal_title：Radiology

authors： Inoue E,Hori S,Narumi Y,Fujita M,Kuriyama K,Kadota T,Kuroda C

更新日期：1991-05-01 00:00:00

abstract：:The postnatal outcome of nine patients with the prenatal diagnosis of fetal hydronephrosis is reported. In only three of the nine cases was true obstructive hydronephrosis demonstrated, and in only one of these cases (11%) the patient might have benefited from decompressive surgery at the time of diagnosis of the abno...

journal_title：Radiology

authors： Blane CE,Koff SA,Bowerman RA,Barr M Jr

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:To assess the benefit of adding diffusion-weighted (DW) imaging to gadoxetic acid-enhanced magnetic resonance (MR) imaging and MR cholangiopancreatography in the preoperative evaluation of hilar cholangiocarcinoma. MATERIALS AND METHODS:The institutional review board approved this retrospective study and waive...

journal_title：Radiology

authors： Park MJ,Kim YK,Lim S,Rhim H,Lee WJ

更新日期：2014-03-01 00:00:00

abstract：:Background In the absence of randomized studies, it has been controversial whether the likelihood of acute kidney injury (AKI) differs between intravenous and intra-arterial contrast agent administration. Purpose To compare intravenous versus intra-arterial contrast agent administration in relationship to AKI and anal...

journal_title：Radiology

authors： Schönenberger E,Martus P,Bosserdt M,Zimmermann E,Tauber R,Laule M,Dewey M

更新日期：2019-09-01 00:00:00

abstract：:Kinetics of an iodinated contrast medium were evaluated quantitatively as a function of time up to one hour after intravenous infusion in the brains of dogs with experimentally induced radiation damage and dogs with spontaneous brain tumor. Radiation damage was characterized by an increase in iodine accumulation soon ...

journal_title：Radiology

authors： Fike JR,Cann CE

更新日期：1984-04-01 00:00:00

abstract：:Although some cerebral vascular malformations are angiographically occult, the correct diagnosis may be suggested by their appearance on computed tomography (CT). The authors advise caution in assuming that angiographically avascular lesions which show contrast enhancement on CT represent neoplasms rather than vascula...

journal_title：Radiology

authors： Kramer RA,Wing SD

更新日期：1977-06-01 00:00:00

abstract：PURPOSE:To retrospectively determine the value of adding qualitative and quantitative axial diffusion-weighted (DW) imaging to standard spine magnetic resonance (MR) imaging to differentiate between acute osteoporotic and malignant compression fractures at 3.0 T. MATERIALS AND METHODS:The institutional ethics committe...

journal_title：Radiology

authors： Sung JK,Jee WH,Jung JY,Choi M,Lee SY,Kim YH,Ha KY,Park CK

更新日期：2014-05-01 00:00:00

abstract：PURPOSE:To compare the association between neurodevelopmental outcome in neonates with hypoxic-ischemic encephalopathy following perinatal asphyxia and (a) apparent diffusion coefficients (ADCs) in the thalamus and basal ganglia at diffusion-weighted (DW) magnetic resonance (MR) imaging and (b) hydrogen 1 (¹H) MR spect...

journal_title：Radiology

authors： Alderliesten T,de Vries LS,Benders MJ,Koopman C,Groenendaal F

更新日期：2011-10-01 00:00:00

abstract：:Background Assessment of femoral torsion at preoperative hip imaging is commonly recommended. However, it is unclear whether MRI is as accurate as CT and how different methods affect femoral torsion measurements. Purpose To compare MRI- and CT-based assessment of femoral torsion by using four commonly used measurement...

journal_title：Radiology

authors： Schmaranzer F,Kallini JR,Miller PE,Kim YJ,Bixby SD,Novais EN

更新日期：2020-08-01 00:00:00

abstract：PURPOSE:To determine the usefulness of sonographically obtained resistive indexes (RIs) in the diagnosis of pancreas allograft rejection. MATERIALS AND METHODS:Findings were studied from 78 transduodenal pancreas allograft biopsies that were ultrasound-guided and cystoscopically directed. The 78 biopsies included 40 t...

journal_title：Radiology

authors： Nelson NL,Largen PS,Stratta RJ,Taylor RJ,Grune MT,Hapke MR,Radio SJ

更新日期：1996-07-01 00:00:00

abstract：PURPOSE:To evaluate fluid-attenuated inversion-recovery (FLAIR) magnetic resonance (MR) imaging in a blinded reader study for the detection of proved subarachnoid space (SAS) disease. MATERIALS AND METHODS:FLAIR MR imaging was performed in 62 patients (21 with proved SAS or meningeal disease) and 41 control patients. ...

journal_title：Radiology

authors： Singer MB,Atlas SW,Drayer BP

更新日期：1998-08-01 00:00:00

abstract：:The idiopathic interstitial pneumonias (IIPs) are a seemingly disconnected collection of diseases usually associated with the presence of pulmonary fibrosis. Categorization of the IIPs continues to be problematic despite recent attempts to refine the diagnostic criteria and suggests that rather than separate diseases,...

journal_title：Radiology

authors： Galvin JR,Frazier AA,Franks TJ

更新日期：2010-06-01 00:00:00

abstract：:A patent umbilical vein is a sonographic sign of portal hypertension. The specificity of the sign is not known. In a review of 12 patients with sonographically demonstrated patency of the umbilical vein, we found two patients in whom no clinical evidence existed to suggest the presence of portal hypertension. In six o...

journal_title：Radiology

authors： Saddekni S,Hutchinson DE,Cooperberg PL

更新日期：1982-11-01 00:00:00

abstract：PURPOSE:To determine if T2 relaxation time measurements with magnetic resonance (MR) imaging in patients with Graves ophthalmopathy (GO) can predict response to therapy. MATERIALS AND METHODS:Studied were 84 patients with GO, 27 with Graves disease without ophthalmopathy (GD), and 12 control subjects without Graves di...

journal_title：Radiology

authors： Ohnishi T,Noguchi S,Murakami N,Tajiri J,Harao M,Kawamoto H,Hoshi H,Jinnouchi S,Futami S,Nagamachi S

更新日期：1994-03-01 00:00:00

abstract：PURPOSE:To determine conversion factors for the new International Commission on Radiological Protection (ICRP) publication 103 recommendations for adult and pediatric patients and to compare the effective doses derived from Monte Carlo calculations with those derived from dose-length product (DLP) for different body re...

journal_title：Radiology

authors： Deak PD,Smal Y,Kalender WA

更新日期：2010-10-01 00:00:00

abstract：:Anti-scatter grids reduce the amount of secondary radiation contributing to the image and improve the signal-to-noise ratio. However, they may also lead to the creation of linear artifacts representing the shadows of the radiopaque septa. Grid motion perpendicular to the septa during the exposure can cause blurring of...

journal_title：Radiology

authors： Bednarek DR,Rudin S,Wong R

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:To show that benign asymmetric breast tissue detected mammographically may increase over time. MATERIALS AND METHODS:Serial mammograms obtained in 21 women with negative physical examination results and mammographically detected developing asymmetric breast tissue were reviewed, and findings were correlated wi...

journal_title：Radiology

authors： Piccoli CW,Feig SA,Palazzo JP

更新日期：1999-04-01 00:00:00

abstract：PURPOSE:To evaluate feasibility and added value of dual-energy computed tomography (CT) in diagnosis of pulmonary embolism (PE). MATERIALS AND METHODS:This institutional animal experimental committee-approved study was performed in accordance with animal care guidelines. Eight New Zealand rabbits underwent standard un...

journal_title：Radiology

authors： Zhang LJ,Zhao YE,Wu SY,Yeh BM,Zhou CS,Hu XB,Hu QJ,Lu GM

更新日期：2009-07-01 00:00:00

abstract：PURPOSE:To determine whether liver tumor detection is increased by acquiring multiple dynamic arterial phase and portal venous phase magnetic resonance (MR) images. MATERIALS AND METHODS:Dynamic MR imaging was performed in 205 patients at 1.5 T with use of a fast spoiled gradient-echo technique (repetition time, 9-12 ...

journal_title：Radiology

authors： Peterson MS,Baron RL,Murakami T

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:To prospectively determine in swine the effects of cardiac-specific and hypoxia-inducible vascular endothelial growth factor (VEGF) expression gene on angiogenesis and arteriogenesis by using cardiovascular magnetic resonance (MR) imaging for evaluation of infarct resorption and left ventricular (LV) function. ...

journal_title：Radiology

authors： Saeed M,Saloner D,Martin A,Do L,Weber O,Ursell PC,Jacquier A,Lee R,Higgins CB

更新日期：2007-05-01 00:00:00

abstract：:Phase-contrast x-ray computed tomography (CT) indicates the distribution of the refractive index and has potential to reveal the structures inside soft tissues without a contrast agent. With a synchrotron x-ray source, phase-contrast x-ray CT with a triple Laue-case x-ray interferometer clearly differentiated various ...

journal_title：Radiology

authors： Takeda T,Momose A,Hirano K,Haraoka S,Watanabe T,Itai Y

更新日期：2000-01-01 00:00:00

abstract：:The difficulty of demonstrating lesions near the chest wall is one source of error in mammography. A mediolateral xeroradiograph of the breast which images the chest wall was added to the routine mediolateral and cephalocaudal film-screen projections to minimize this problem. In one case, a posterior breast lesion was...

journal_title：Radiology

authors： Bassett LW,Pagani JJ,Gold RH

更新日期：1980-09-01 00:00:00

abstract：PURPOSE:To assess forced-expiratory bronchial collapsibility in healthy volunteers by using multidetector computed tomography (CT) and to compare the results with the current diagnostic criterion for bronchomalacia. MATERIALS AND METHODS:The institutional review board approved this HIPAA-compliant study. Following inf...

journal_title：Radiology

authors： Litmanovich D,O'Donnell CR,Bankier AA,Ernst A,Millett ME,Loring SH,Boiselle PM

更新日期：2010-11-01 00:00:00

abstract：PURPOSE:To determine the effect of the interpretation of plain chest radiographs on the time to definitive diagnosis of aortic dissection. MATERIALS AND METHODS:The authors evaluated chest radiographs from 75 patients in whom chest radiography was performed before aortic dissection was diagnosed. The radiographs and a...

journal_title：Radiology

authors： Luker GD,Glazer HS,Eagar G,Gutierrez FR,Sagel SS

更新日期：1994-12-01 00:00:00