Alzheimer Disease and Mild Cognitive Impairment: Integrated Pulsed Arterial Spin-Labeling MRI and 18F-FDG PET.

abstract：:In nine neonates, spontaneous regression of a multicystic dysplastic kidney (MCDK) was witnessed by means of repeated ultrasound (US) examinations. In three of these patients, the diagnosis was made in utero. Follow-up examinations at the ages of 3, 5, and 32 weeks post-partum showed what would have been called unilat...

journal_title：Radiology

authors： Pedicelli G,Jequier S,Bowen AD,Boisvert J

更新日期：1986-10-01 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 evaluate the diagnostic performance of coronary computed tomographic (CT) angiography for the diagnosis of mitral valve prolapse (MVP). MATERIALS AND METHODS:The retrospective case-controlled multicenter study protocol was approved by the institutional review boards. The U.S. part of the study was HIPAA com...

journal_title：Radiology

authors： Feuchtner GM,Alkadhi H,Karlo C,Sarwar A,Meier A,Dichtl W,Leschka S,Blankstein R,Gruenenfelder J,Stolzmann P,Cury RC

更新日期：2010-02-01 00:00:00

abstract：:Adenomatous hyperplastic nodules (AHNs) in the cirrhotic liver may be precurosors of hepatocellular carcinoma. These nodules have been demonstrated more frequently because of the increased use of ultrasonography (US) in the screening of high-risk patients. Treatment is a problem because surgical resection of a precanc...

journal_title：Radiology

authors： Livraghi T,Sangalli G,Vettori C

更新日期：1989-01-01 00:00:00

abstract：:Shoulder arthrography is a reliable technique for use in the diagnosis of tears of the rotator cuff, although delineation of the precise site and size of tears requires meticulous double-contrast technique and considerable examiner expertise. The authors initiated a prospective evaluation of digital arthrography of th...

journal_title：Radiology

authors： Stiles RG,Resnick D,Sartoris DJ,Andre MP

更新日期：1988-09-01 00:00:00

abstract：PURPOSE:To describe a program for controlling intravenous use of low-osmolar contrast agents (LOCAs). MATERIALS AND METHODS:The department of radiology at the authors' institution adopted a policy of selective use of intravenously administered LOCAs. Clinical indications for LOCA use were specified after consultation ...

journal_title：Radiology

authors： Levin DC,Gardiner GA Jr,Karasick S,Shaber GS,Wechsler RJ,McArdle GH,Lockard CD,Harford RJ

更新日期：1993-12-01 00:00:00

abstract：:The angiographic appearance in a patient with multiple bile-duct hamartomas of the liver is described. The lesions showed abnormal vascularity, consisting of grapelike clusters of small rings, which could be confused with other benign and malignant conditions demonstrable by angiography; however, it may ultimately pro...

journal_title：Radiology

authors： McLoughlin MJ,Phillips MJ

更新日期：1975-07-01 00:00:00

abstract：:The authors adapted the transport system of a computed tomographic (CT) scanner with continuous rotation capability to examine complete lung subvolumes during a single breath hold. Twenty-four adult patients underwent scanning with up to 12 continuous 1-second rotations, and data acquisition was synchronized with long...

journal_title：Radiology

authors： Vock P,Soucek M,Daepp M,Kalender WA

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To estimate the cost-effectiveness of computed tomographic (CT) colonography for colorectal cancer (CRC) screening in average-risk asymptomatic subjects in the United States aged 50 years. MATERIALS AND METHODS:Enrollees in the American College of Radiology Imaging Network National CT Colonography Trial provid...

journal_title：Radiology

authors： Vanness DJ,Knudsen AB,Lansdorp-Vogelaar I,Rutter CM,Gareen IF,Herman BA,Kuntz KM,Zauber AG,van Ballegooijen M,Feuer EJ,Chen MH,Johnson CD

更新日期：2011-11-01 00:00:00

abstract：PURPOSE:To prospectively investigate whether there is support for the hypothesis that clinically unrecognized myocardial infarctions (UMIs) detected at magnetic resonance (MR) imaging have an atherosclerotic pathogenesis similar to that of recognized myocardial infarctions (RMIs). MATERIALS AND METHODS:After ethics co...

journal_title：Radiology

authors： Ebeling Barbier C,Bjerner T,Hansen T,Andersson J,Lind L,Hulthe J,Johansson L,Ahlström H

更新日期：2007-10-01 00:00:00

abstract：:Online supplemental material is available for this article. ...

journal_title：Radiology

authors： Kressel HY,Levine D

更新日期：2015-01-01 00:00:00

abstract：PURPOSE:To investigate whether the presence or absence of gas in the appendix may be considered as additional ultrasonographic (US) criteria to rule out or confirm acute appendicitis. MATERIALS AND METHODS:The appendices in 239 control subjects, 138 patients with lower right quadrant pain without acute appendicitis, a...

journal_title：Radiology

authors： Rettenbacher T,Hollerweger A,Macheiner P,Rettenbacher L,Frass R,Schneider B,Gritzmann N

更新日期：2000-01-01 00:00:00

abstract：:Magnetic resonance (MR) images and computed tomograms of 25 patients with head trauma were compared. MR proved to be superior in many ways for demonstrating extracerebral as well as intracerebral traumatic lesions. Isodense subdural hematomas, which present a diagnostic dilemma on CT images were clearly seen on MR, re...

journal_title：Radiology

authors： Han JS,Kaufman B,Alfidi RJ,Yeung HN,Benson JE,Haaga JR,El Yousef SJ,Clampitt ME,Bonstelle CT,Huss R

更新日期：1984-01-01 00:00:00

abstract：:Computed tomography can help in the evaluation of congenitally anomalous aortic arches and subclavian arteries. The authors discuss the role of computed tomography in the evaluation of such anomalies in seven patients. ...

journal_title：Radiology

authors： McLoughlin MJ,Weisbrod G,Wise DJ,Yeung HP

更新日期：1981-02-01 00:00:00

abstract：:Percutaneous transluminal renal angioplasty has been shown to be an effective technique to dilate renal artery lesions, particularly those due to fibromuscular dysplasia. However, four of 70 patients in this study experienced atypical responses to angioplasty. Their lesions initially resisted dilation and had incomple...

journal_title：Radiology

authors： Srur MF,Sos TA,Saddekni S,Cohn DJ,Rozenblit G,Wetter EB

更新日期：1985-12-01 00:00:00

abstract：:The authors sought to evaluate renal tolerance for ioxaglate sodium meglumine used as a contrast agent in patients with chronic renal failure. Eight male patients (mean age, 55 years +/- 5) with chronic renal insufficiency (glomerular filtration rate less than 60 mL/min) who underwent diagnostic cardiac catheterizatio...

journal_title：Radiology

authors： Deray G,Cacoub P,Jacquiaud C,Drobinski G,Brillet G,Bunker D,Jaudon MC,Jacobs C

更新日期：1991-05-01 00:00:00

abstract：PURPOSE:To evaluate use of magnetic resonance (MR) imaging and technetium-99m pyrophosphate (PYP) scintigraphy in preoperative assessment of muscle viability after high-voltage electric injury. MATERIALS AND METHODS:Twelve injured limbs were studied. Immediate, equilibrium, and delayed Tc-99m PYP scintigrams and gadol...

journal_title：Radiology

authors： Fleckenstein JL,Chason DP,Bonte FJ,Parkey RW,Hunt JL,Purdue GF,Burns DK

更新日期：1995-04-01 00:00:00

abstract：:The CT appearance of the adrenal glands was investigated in 30 patients with congenital renal anomalies (17 cases of unilateral renal agenesis, 11 of inferior ectopy, and 2 of crossed fused ectopy). The ipsilateral adrenal was clearly identified in 83% of these patients; in all of them, the adrenal was a paraspinal di...

journal_title：Radiology

authors： Kenney PJ,Robbins GL,Ellis DA,Spirt BA

更新日期：1985-04-01 00:00:00

abstract：:From a clinical-radiologic standpoint, there are a limited number of structures and disease entities in the temporal bone with which one must be familiar in order to proficiently interpret a computed tomographic or magnetic resonance imaging study of the temporal bone. It is helpful to examine the region in an organiz...

journal_title：Radiology

authors： Juliano AF,Ginat DT,Moonis G

更新日期：2013-10-01 00:00:00

abstract：:Twenty-nine patients with known or suspected malignancy were studied with identical T1-weighted (spin echo [SE] and inversion recovery [IR]) and T2-weighted SE magnetic resonance (MR) imaging at 0.5 and 1.5 T to evaluate the relative sensitivities of these sequences for detecting focal hepatic lesions. At 0.5 T, 98 le...

journal_title：Radiology

authors： Steinberg HV,Alarcon JJ,Bernardino ME

更新日期：1990-01-01 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：:Percutaneous biopsies of mediastinal tumors were successfully performed under sonographic guidance in 14 of 21 patients. In 10 of 11 malignant lesions, malignancy was determined by means of cytologic and histologic examination of the specimens obtained. A histologic diagnosis was reached in seven patients with maligna...

journal_title：Radiology

authors： Wernecke K,Vassallo P,Peters PE,von Bassewitz DB

更新日期：1989-08-01 00:00:00

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：PURPOSE:To determine whether enhancement at multiphasic multidetector computed tomography (CT) can help differentiate clear cell renal cell carcinoma (RCC) from oncocytoma, papillary RCC, and chromophobe RCC. MATERIALS AND METHODS:With institutional review board approval for this HIPAA-compliant retrospective study, t...

journal_title：Radiology

authors： Young JR,Margolis D,Sauk S,Pantuck AJ,Sayre J,Raman SS

更新日期：2013-05-01 00:00:00

abstract：PURPOSE:To determine the relationship between annual screening volume and radiologist performance in the Screening Mammography Program of British Columbia, Canada. MATERIALS AND METHODS:Standardized abnormal interpretation ratios and standardized cancer detection ratios were constructed for 35 readers with at least 3 ...

journal_title：Radiology

authors： Kan L,Olivotto IA,Warren Burhenne LJ,Sickles EA,Coldman AJ

更新日期：2000-05-01 00:00:00

abstract：:A method of image analysis was developed for correlation of hemangiomas detected at computed tomography (CT) and/or magnetic resonance (MR) imaging with increased blood pool activity evident at single photon emission CT (SPECT) performed after labeling of red blood cells with technetium-99m. Image analysis was perform...

journal_title：Radiology

authors： Birnbaum BA,Noz ME,Chapnick J,Sanger JJ,Megibow AJ,Maguire GQ Jr,Weinreb JC,Kaminer EM,Kramer EL

更新日期：1991-11-01 00:00:00

abstract：PURPOSE:To evaluate the potential of quantitative susceptibility (QS) and R2* mapping as surrogate biomarkers of clinically relevant, age-adjusted demyelination and iron deposition in multiple sclerosis (MS). MATERIALS AND METHODS:All study participants gave written informed consent, and the study was approved by the ...

journal_title：Radiology

authors： Rudko DA,Solovey I,Gati JS,Kremenchutzky M,Menon RS

更新日期：2014-09-01 00:00:00

abstract：PURPOSE:To compare superior mesenteric artery (SMA) blood flow in healthy volunteers and patients with stenoses in the fasting state and after food intake by using phase-contrast (PC) cine magnetic resonance (MR) imaging. MATERIALS AND METHODS:Ten healthy subjects, four asymptomatic patients (three with 50% stenosis, ...

journal_title：Radiology

authors： Li KC,Whitney WS,McDonnell CH,Fredrickson JO,Pelc NJ,Dalman RL,Jeffrey RB Jr

更新日期：1994-01-01 00:00:00

abstract：PURPOSE:To develop a semiquantitative magnetic resonance (MR) imaging bone marrow burden (BMB) score with inclusion of both axial and peripheral bone marrow in Gaucher disease as an alternative to MR imaging with the Dixon quantitative chemical shift imaging (QCSI) technique. MATERIALS AND METHODS:Two experienced musc...

journal_title：Radiology

authors： Maas M,van Kuijk C,Stoker J,Hollak CE,Akkerman EM,Aerts JF,den Heeten GJ

更新日期：2003-11-01 00:00:00

abstract：:Twenty-seven consecutive cases of pulmonary involvement by non-Hodgkin in lymphoma, including 2 cases of primary pulmonary disease, were anlyzed. The radiological manifestations of illness were divided into (a) nodular (subpleural, deep parenchymal, or perihilar), (b) pneumonic-alveolar (segmental or lobar), (c) bronc...

journal_title：Radiology

authors： Balikian JP,Herman PG

更新日期：1979-09-01 00:00:00