Presence or absence of gas in the appendix: additional criteria to rule out or confirm acute appendicitis--evaluation with US.

abstract：:The case histories and radiologic studies of eight liver transplant recipients who developed a mucocele of the allograft cystic duct remnant were retrospectively evaluated. All patients had clinical and/or laboratory evidence of biliary obstruction or cholangitis from 2 weeks to 3.3 years following transplantation. Ch...

journal_title：Radiology

authors： Zajko AB,Bennett MJ,Campbell WL,Koneru B

更新日期：1990-12-01 00:00:00

abstract：:Normal kidney length was measured on the excretory urogram in 262 children 0 to 14.5 years of age (422 kidneys). While mean values were similar to those in the literature, the standard deviation (0.785 cm) was much lower than that reported previously. ...

journal_title：Radiology

authors： Currarino G,Williams B,Dana K

更新日期：1984-03-01 00:00:00

abstract：:Purpose To assess the impact of a patient experience improvement program on national ranking in patient experience in a large academic radiology department. Materials and Methods This Health Insurance Portability and Accountability Act-compliant study was exempted from institutional review board approval. After initia...

journal_title：Radiology

authors： Kapoor N,Yan Z,Wang A,Wickner P,Kachalia A,Boland G,Khorasani R

更新日期：2019-04-01 00:00:00

abstract：PURPOSE:To test whether magnetic resonance (MR) imaging enables accurate measurement of extraction fraction (EF) in swine with unilateral renal ischemia and to evaluate effects of renal arterial stenosis on EF and single-kidney glomerular filtration rate. MATERIALS AND METHODS:High-grade unilateral renal arterial sten...

journal_title：Radiology

authors： Coulam CH,Lee JH,Wedding KL,Spielman DM,Pelc NJ,Kee ST,Hill BB,Bouley DM,Derby GC,Myers BD,Sawyer-Glover AM,Sommer FG

更新日期：2002-04-01 00:00:00

abstract：:A consensus does not exist as to the optimal contrast agent for hysterosalpingography. This study was undertaken to evaluate the early and delayed inflammatory responses of the peritoneal surfaces to various types of iodinated contrast media. Guinea pigs received intraperitoneal injections of lactated Ringer solution,...

journal_title：Radiology

authors： Eisenberg AD,Winfield AC,Page DL,Holburn GE,Schifter T,Segars JH

更新日期：1989-07-01 00:00:00

abstract：PURPOSE:To compare the diagnostic usefulness of three-dimensional (3D) stereotaxic surface projection (SSP) with that of standard transaxial display in brain positron emission tomography (PET) in Alzheimer disease (AD). MATERIALS AND METHODS:Standard transaxial section display and 3D-SSP PET image sets obtained after ...

journal_title：Radiology

authors： Burdette JH,Minoshima S,Vander Borght T,Tran DD,Kuhl DE

更新日期：1996-03-01 00:00:00

abstract：PURPOSE:To evaluate the variability of true-positive and false-positive cues by using a commercially available computer-aided detection (CAD) system for analysis of 50 malignancies in a screening population. MATERIALS AND METHODS:Fifty breast cancers detected at screening were analyzed by using a commercially availabl...

journal_title：Radiology

authors： Baker JA,Lo JY,Delong DM,Floyd CE

更新日期：2004-11-01 00:00:00

abstract：:Twenty-two patients with hemodialysis grafts were prospectively evaluated with color Doppler flow imaging and digital subtraction angiography (DSA). Eighteen patients had normal functional parameters during hemodialysis, and four had increased venous pressure during hemodialysis. Color Doppler flow imaging allowed ide...

journal_title：Radiology

authors： Dousset V,Grenier N,Douws C,Senuita P,Sassouste G,Ada L,Potaux L

更新日期：1991-10-01 00:00:00

abstract：PURPOSE:To investigate the clinical parameters that are associated with the development of brain edema of hypertensive encephalopathy in patients with preeclampsia-eclampsia. MATERIALS AND METHODS:Twenty-eight patients with preeclampsia-eclampsia and neurologic symptoms underwent magnetic resonance (MR) imaging. Clini...

journal_title：Radiology

authors： Schwartz RB,Feske SK,Polak JF,DeGirolami U,Iaia A,Beckner KM,Bravo SM,Klufas RA,Chai RY,Repke JT

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:To evaluate radiologists' performance for determining a distinction between benign and malignant pulmonary nodules on chest radiographs without and with use of a computer-aided diagnosis scheme. MATERIALS AND METHODS:Fifty-three chest radiographs that depicted 31 primary lung cancers and 22 benign nodules were...

journal_title：Radiology

authors： Shiraishi J,Abe H,Engelmann R,Aoyama M,MacMahon H,Doi K

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:To evaluate the sensitivity and specificity of biphasic computed tomography (CT) with mesenteric CT angiography in the diagnosis of acute mesenteric ischemia (AMI). MATERIALS AND METHODS:Sixty-two patients with clinically suspected AMI underwent prospective imaging with biphasic multi-detector row CT. Mesenter...

journal_title：Radiology

authors： Kirkpatrick ID,Kroeker MA,Greenberg HM

更新日期：2003-10-01 00:00:00

abstract：:A systematic approach to the diagnosis and treatment of angiofibromas is presented. The distinction between true and false internal carotid supply to these tumors as well as identification of vascular anatomical variants that may represent potential hazards of embolization are emphasized. Areterial supply to the crani...

journal_title：Radiology

authors： Lasjaunias P

更新日期：1980-07-01 00:00:00

abstract：:Purpose To determine whether gadolinium deposits in neural tissues of patients with intracranial abnormalities following intravenous gadolinium-based contrast agent (GBCA) exposure might be related to blood-brain barrier integrity by studying adult patients with normal brain pathologic characteristics. Materials and M...

journal_title：Radiology

authors： McDonald RJ,McDonald JS,Kallmes DF,Jentoft ME,Paolini MA,Murray DL,Williamson EE,Eckel LJ

更新日期：2017-11-01 00:00:00

abstract：:Purpose To retrospectively evaluate whether thermal injury-induced hepatic parenchymal hypoperfusion can be a significant risk factor for tumor recurrence after radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC). Materials and Methods The institutional review board approved this retrospective study, and t...

journal_title：Radiology

authors： Lee DH,Lee JM,Yoon JH,Kim YJ,Han JK

更新日期：2017-03-01 00:00:00

abstract：:Transforaminal epidural steroid injections (TFESIs) are associated with rare but devastating neurologic complications. Every published case has been associated with a particulate steroid suspension, and the presumed but not proven mechanism is embolization and occlusion of end arterioles. Through an in vivo murine mod...

journal_title：Radiology

authors： Diehn FE,Murthy NS,Maus TP

更新日期：2016-06-01 00:00:00

abstract：:The ability of film readers to detect a nodular target abnormality with the peripheral vision was studied using a gray structureless background, chest radiographs with a bilateral pneumothorax and chest radiographs with pulmonary vasculature. Peripheral detection of the nodular abnormality was profoundly decreased by ...

journal_title：Radiology

authors： Kundel HL

更新日期：1975-02-01 00:00:00

abstract：:Previous reports of angiomyolipoma have emphasized the ultrasonic finding of a very echogenic intrarenal mass. Ten cases of angiomyolipoma for which ultrasound examinations were available were retrospectively reviewed and correlated with their pathologic findings, and, when available, with computed tomographic finding...

journal_title：Radiology

authors： Hartman DS,Goldman SM,Friedman AC,Davis CJ Jr,Madewell JE,Sherman JL

更新日期：1981-05-01 00:00:00

abstract：:Studies have been carried out using neutral and alkaline sucrose density gradients to investigate the effect of 41 degree-43 degree C on the ability of Chinese hamster ovary cells to repair single (SSB) and double stranded DNA breaks (DSB) caused by exposure to ionizing radiation. The authors found that when hyperther...

journal_title：Radiology

authors： Corry PM,Robinson S,Getz S

更新日期：1977-05-01 00:00:00

abstract：PURPOSE:To assess changes in the magnetic resonance (MR) appearance of the spine in patients with multiple myeloma who responded to chemotherapy. MATERIALS AND METHODS:Twenty patients with multiple myeloma underwent MR imaging of the spine before and after chemotherapy. Sagittal T1-weighted images were obtained before...

journal_title：Radiology

authors： Moulopoulos LA,Dimopoulos MA,Alexanian R,Leeds NE,Libshitz HI

更新日期：1994-11-01 00:00:00

abstract：PURPOSE:To determine whether measurements of skewness, kurtosis, and mean lung attenuation on thin-section computed tomographic (CT) histograms in patients with idiopathic pulmonary fibrosis (IPF) correlate with pulmonary physiologic abnormality in a nonspirometrically controlled multicenter study. MATERIALS AND METHO...

journal_title：Radiology

authors： Best AC,Lynch AM,Bozic CM,Miller D,Grunwald GK,Lynch DA

更新日期：2003-08-01 00:00:00

abstract：PURPOSE:To test the hypothesis that rapid and accurate performance of the proficient observer in mammogram interpretation involves a shift in the mechanism of image perception from a relatively slow search-to-find mode to a relatively fast holistic mode. MATERIALS AND METHODS:This HIPAA-compliant study had institution...

journal_title：Radiology

authors： Kundel HL,Nodine CF,Conant EF,Weinstein SP

更新日期：2007-02-01 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：PURPOSE:To investigate if and how computerized analysis complements characterization of breast lesions with clinical reading at magnetic resonance imaging. MATERIALS AND METHODS:The institutional review board approved the use of data obtained prospectively and analyzed either prospectively with informed patient consen...

journal_title：Radiology

authors： Deurloo EE,Muller SH,Peterse JL,Besnard AP,Gilhuijs KG

更新日期：2005-03-01 00:00:00

abstract：:The use of intensity-modulated radiation therapy for treatment of dominant intraprostatic lesions may require integration of functional magnetic resonance (MR) imaging with treatment-planning computed tomography (CT). The purpose of this study was to compare prospectively the landmark and iterative closest point metho...

journal_title：Radiology

authors： Huisman HJ,Fütterer JJ,van Lin EN,Welmers A,Scheenen TW,van Dalen JA,Visser AG,Witjes JA,Barentsz JO

更新日期：2005-07-01 00:00:00

abstract：:A reciprocating Bucky design for serial film changers is described. It is simple to construct. Inexpensive, and enhances radiograph resolution by eliminating grid lines. ...

journal_title：Radiology

authors： Becker JA,Heiferman S

更新日期：1977-10-01 00:00:00

abstract：PURPOSE:To prospectively investigate the relative accuracy and reproducibility of manual and automated computer software measurements by using polyps of known size in a human colectomy specimen. MATERIALS AND METHODS:Institutional review board approval was obtained for the study; written consent for use of the surgica...

journal_title：Radiology

authors： Taylor SA,Slater A,Halligan S,Honeyfield L,Roddie ME,Demeshski J,Amin H,Burling D

更新日期：2007-01-01 00:00:00

abstract：PURPOSE:To establish an imaging approach to visualize the 100-microm-thick hippocampal neuron-generating dentate granule cell layer (DGCL) consistently within a clinically feasible magnetic resonance (MR) imaging duration and to assess its sensitivity by quantifying the likelihood that it will be detected in healthy yo...

journal_title：Radiology

authors： Prudent V,Kumar A,Liu S,Wiggins G,Malaspina D,Gonen O

更新日期：2010-03-01 00:00:00

abstract：:The authors describe three pediatric patients with diffuse pulmonary hemangiomatosis. Virtually identical clinical, radiographic, and pathologic findings were observed in each case. The combination of diffuse interstitial pulmonary infiltration and bloody pleural effusion in a child is pathognomonic. Early recognition...

journal_title：Radiology

authors： Rowen M,Thompson JR,Williamson RA,Wood BJ

更新日期：1978-05-01 00:00:00

abstract：PURPOSE:To investigate the diagnostic value of technetium 99m-labeled human serum albumin (HSA) scintigraphy in a group of patients suspected of having protein-losing enteropathy (PLE). MATERIALS AND METHODS:After intravenous injection of 740 MBq of freshly prepared (99m)Tc HSA, serial images of the abdomen were obtai...

journal_title：Radiology

authors： Chiu NT,Lee BF,Hwang SJ,Chang JM,Liu GC,Yu HS

更新日期：2001-04-01 00:00:00

abstract：PURPOSE:To investigate neuronal activations during processing of radiologic and nonradiologic images by experienced radiologists and nonradiologist subjects by using event-related functional magnetic resonance (MR) imaging. MATERIALS AND METHODS:Study was approved by local ethics committee, and informed consent was ob...

journal_title：Radiology

authors： Haller S,Radue EW

更新日期：2005-09-01 00:00:00