Computed tomography of tumors involving the atria of the lateral ventricles.

abstract：:Magnetic resonance (MR) imaging of the hip has been useful in the examination of patients for the presence of avascular necrosis (AVN). In the detection of AVN, MR imaging is more sensitive than computed tomography or nuclear scintigraphy. This study assessed the usefulness of MR imaging in the differentiation of AVN ...

journal_title：Radiology

authors： Glickstein MF,Burk DL Jr,Schiebler ML,Cohen EK,Dalinka MK,Steinberg ME,Kressel HY

更新日期：1988-10-01 00:00:00

abstract：PURPOSE:To determine whether computed tomographically (CT) guided percutaneous catheter drainage of spondylodiskitic abscesses is an appropriate and effective alternative to surgery. MATERIALS AND METHODS:CT-guided percutaneous catheter drainage was performed in 21 patients (16 men, five women; age range, 24-81 years)...

journal_title：Radiology

authors： Staatz G,Adam GB,Keulers P,Vorwerk D,Günther RW

更新日期：1998-08-01 00:00:00

abstract：:Background Impaired brain development in fetuses with congenital heart disease (CHD) may result from inadequate cerebral oxygen supply in utero. Purpose To test whether fetal cerebral oxygenation can be increased by maternal oxygen administration, effects of maternal hyperoxia on blood oxygenation of the placenta and ...

journal_title：Radiology

authors： You W,Andescavage NN,Kapse K,Donofrio MT,Jacobs M,Limperopoulos C

更新日期：2020-01-01 00:00:00

abstract：PURPOSE:To examine whether the different appearances of intramedullary high signal intensity (SI) on T2-weighted MR images in cervical spondylotic myelopathy are related to differences in surgical prognosis. MATERIALS AND METHODS:The magnetic resonance (MR) findings and Japanese Orthopedic Association (JOA) score of 6...

journal_title：Radiology

authors： Chen CJ,Lyu RK,Lee ST,Wong YC,Wang LJ

更新日期：2001-12-01 00:00:00

abstract：:Shaped filters that are constructed of lead-loaded acrylic material for use in patient radiography are discussed. Use of the filters will result in improved overall image quality with significant exposure reduction to the patient (approximately a 2X reduction in breast exposure and a 3X reduction in thyroid gland expo...

journal_title：Radiology

authors： Gray JE,Stears JG,Frank ED

更新日期：1983-03-01 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 document the possible association of segmental tracheomalacia in the thoracic inlet with the combination of a large thymus and normal innominate artery. MATERIALS AND METHODS:Eight infants with symptoms of innominate artery compression of the trachea were studied. The diagnostic approach included observatio...

journal_title：Radiology

authors： Mandell GA,McNicholas KW,Padman R,Harcke HT

更新日期：1994-01-01 00:00:00

abstract：PURPOSE:To assess whether ultrasonography (US)-based real-time elastography (RTE) can be used to detect gut fibrosis. MATERIALS AND METHODS:In this institutional review board-approved, prospective, proof-of-concept study, unaffected and affected gut segments in 10 patients with Crohn disease (four women, six men; medi...

journal_title：Radiology

authors： Baumgart DC,Müller HP,Grittner U,Metzke D,Fischer A,Guckelberger O,Pascher A,Sack I,Vieth M,Rudolph B

更新日期：2015-06-01 00:00:00

abstract：PURPOSE:To examine the efficacy of transperineal sonographically guided drainage of deep pelvic abscesses. MATERIALS AND METHODS:Twelve drainage procedures were performed in 11 adults with symptoms of infection and cross-sectional images demonstrating a deep pelvic abscess. Eight patients had recently undergone abdomi...

journal_title：Radiology

authors： Sperling DC,Needleman L,Eschelman DJ,Hovsepian DM,Lev-Toaff AS

更新日期：1998-07-01 00:00:00

abstract：PURPOSE:To test a neural network in differentiation of benign from malignant solitary pulmonary nodules. MATERIALS AND METHODS:Neural networks were trained and tested on the characteristics of 318 nodules. Predictive accuracy of the network was judged for calibration and discrimination. Network results were compared w...

journal_title：Radiology

authors： Gurney JW,Swensen SJ

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:To investigate the effects of increasing doses of angiotensin II on hepatic hemodynamics in the normal rabbit liver and in hepatic VX2 tumors by using dynamic contrast material-enhanced perfusion computed tomography (CT). MATERIALS AND METHODS:This study was approved by the institutional animal care and use co...

journal_title：Radiology

authors： Wright KC,Ravoori MK,Dixon KA,Han L,Singh SP,Liu P,Gupta S,Johnson VE,Kan Z,Kundra V

更新日期：2011-09-01 00:00:00

abstract：:The "comet tail" is a well-known ultrasound artifact that appears as a series of parallel bands radiating from a source. This artifact was observed in the gallbladder lumen in eight of 10 patients after extracorporeal shock wave lithotripsy of radiolucent calculi. To investigate the cause of the comet tail artifact, c...

journal_title：Radiology

authors： Shapiro RS,Winsberg F

更新日期：1990-10-01 00:00:00

abstract：:The quality of chest images obtained with portable radiography was evaluated for a conventional screen-film system, a new asymmetric screen-film chest system, and computed radiography (CR). Sixty chest images were obtained in 20 patients in an intensive care unit. The CR system was ranked by all three evaluating radio...

journal_title：Radiology

authors： Niklason LT,Chan HP,Cascade PN,Chang CL,Chee PW,Mathews JF

更新日期：1993-02-01 00:00:00

abstract：:The radiation dose and the anatomic detail of computed tomography (CT) and conventional tomography were studied in 18 patients with suspected acoustic neuroma, cholesteatoma, malignant tumor, and temporal bone fracture. It is concluded that CT is the technique of choice in patients suspected of having acoustic neuroma...

journal_title：Radiology

authors： Shaffer KA,Haughton VM,Wilson CR

更新日期：1980-02-01 00:00:00

abstract：:The computed tomographic appearance of the adrenal gland was studied in 302 patients with possible endocrinologic disease and 107 patients undergoing CT for nonendocrinologic reasons. Measurements of adrenal size were also made in 100 adults with no known adrenal pathology. CT proved to be a sensitive diagnostic tool ...

journal_title：Radiology

authors： Huebener KH,Treugut H

更新日期：1984-01-01 00:00:00

abstract：:Twenty-three patients with malignant hepatic tumors underwent magnetic resonance (MR) imaging before and after intravenous administration of gadolinium-diethylene-triaminepentaacetic acid (DTPA). Two different doses were used, 0.1 mmol/kg and 0.2 mmol/kg. The larger dose proved to be more effective than the smaller do...

journal_title：Radiology

authors： Hamm B,Wolf KJ,Felix R

更新日期：1987-08-01 00:00:00

abstract：:Purpose To develop and validate a deep learning algorithm that predicts the final diagnosis of Alzheimer disease (AD), mild cognitive impairment, or neither at fluorine 18 (18F) fluorodeoxyglucose (FDG) PET of the brain and compare its performance to that of radiologic readers. Materials and Methods Prospective 18F-FD...

journal_title：Radiology

authors： Ding Y,Sohn JH,Kawczynski MG,Trivedi H,Harnish R,Jenkins NW,Lituiev D,Copeland TP,Aboian MS,Mari Aparici C,Behr SC,Flavell RR,Huang SY,Zalocusky KA,Nardo L,Seo Y,Hawkins RA,Hernandez Pampaloni M,Hadley D,Franc BL

更新日期：2019-02-01 00:00:00

abstract：:The relationship between patient waiting time and capacity and utilization is quantified. By deciding upon the average acceptable and maximum allowable waiting times, the required capacity and resulting utilization rate are fixed. The data needed for analysis include waiting time, patient volume, time required for spe...

journal_title：Radiology

authors： Rhea JT,St Germain RP

更新日期：1979-03-01 00:00:00

abstract：PURPOSE:To prospectively compare traditional filtered back projection (FBP) and iterative image reconstruction for the evaluation of heavily calcified arteries with coronary computed tomography (CT) angiography. MATERIALS AND METHODS:The study had institutional review board approval and was HIPAA compliant. Written in...

journal_title：Radiology

authors： Renker M,Nance JW Jr,Schoepf UJ,O'Brien TX,Zwerner PL,Meyer M,Kerl JM,Bauer RW,Fink C,Vogl TJ,Henzler T

更新日期：2011-08-01 00:00:00

abstract：:From July 1993 through June 1994, the authors performed 42 ultrasound (US)-guided core biopsies with use of a coaxial technique in which a 14- or 15-gauge core biopsy needle was passed through a 12-gauge introducer needle. This technique proved to be effective in all 42 biopsies. Use of the coaxial technique decreased...

journal_title：Radiology

authors： Kaplan SS,Racenstein MJ,Wong WS,Hansen GC,McCombs MM,Bassett LW

更新日期：1995-02-01 00:00:00

abstract：PURPOSE:To prospectively evaluate to what extent image quality in 16-detector row computed tomographic (CT) coronary angiography is a function of the heart rate and the image reconstruction technique used. MATERIALS AND METHODS:A total of 70 patients (49 men, 21 women; mean age, 59.1 years +/- 5.8 [standard deviation]...

journal_title：Radiology

authors： Herzog C,Arning-Erb M,Zangos S,Eichler K,Hammerstingl R,Dogan S,Ackermann H,Vogl TJ

更新日期：2006-01-01 00:00:00

abstract：PURPOSE:To determine whether the "accordion sign" is a specific computed tomographic (CT) sign of Clostridium difficile colitis. MATERIALS AND METHODS:Fifty-seven patients with CT evidence of severe colitis, as judged by colonic wall thickening, an abnormal haustral pattern, the target sign, and stranding of the peric...

journal_title：Radiology

authors： Macari M,Balthazar EJ,Megibow AJ

更新日期：1999-06-01 00:00:00

abstract：:Computed tomography (CT) of the spine after intravenous contrast enhancement has been used in 4 patients with arteriovenous malformation (AVM) of the spinal cord. The enlarged, contrast-filled vessels constituting the malformation are visualized on CT scans. There was good correspondence between CT and selective angio...

journal_title：Radiology

authors： Di Chiro G,Doppman JL,Wener L

更新日期：1977-05-01 00:00:00

abstract：:Localized phosphorus-31 magnetic resonance (MR) spectroscopy in humans has previously been accomplished with surface coils by means of depth-resolved surface coil spectroscopy or rotating frame experiments, in which the extent of tissue sampled critically depends on surface coil placement. The authors' goal was to mod...

journal_title：Radiology

authors： Matson GB,Twieg DB,Karczmar GS,Lawry TJ,Gober JR,Valenza M,Boska MD,Weiner MW

更新日期：1988-11-01 00:00:00

abstract：:Thirty-five patients with suspected internal derangements of the knee were examined with conventional two-dimensional (2D) spin-echo magnetic resonance (MR) imaging techniques and a new rapid three-dimensional (3D) method called 3D FASTER (field echo acquisition with a short repetition time and echo reduction). A 9-mi...

journal_title：Radiology

authors： Harms SE,Flamig DP,Fisher CF,Fulmer JM

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To determine whether fetal growth measured at serial ultrasonographic (US) examinations can predict neonatal morbidity, independent of whether gestational age is known. MATERIALS AND METHODS:Women (n = 321) who had singleton pregnancies and underwent two or more second- or third-trimester obstetric US examinat...

journal_title：Radiology

authors： Smith-Bindman R,Chu PW,Ecker JL,Feldstein VA,Filly RA,Bacchetti P

更新日期：2002-04-01 00:00:00

abstract：:A 22 gauge "skinny core" (Madayag) biopsy needle, an 18 gauge Menghini needle, and a 14 gauge Tru-cut needle were compared in 51 patients. The Madayag needle was found to have a high recovery rate and provided adequate histological information in a large percentage of cases. However, the larger needles more consistent...

journal_title：Radiology

authors： Haaga JR,LiPuma JP,Bryan PJ,Balsara VJ,Cohen AM

更新日期：1983-03-01 00:00:00

abstract：PURPOSE:To prospectively determine the cellular iron uptake by using R2 and R2* mapping with multiecho readout gradient-echo and spin-echo sequences. MATERIALS AND METHODS:All experiments were approved by the institutional animal care committee. Lung carcinoma cells were lipofected with superparamagnetic iron oxides (...

journal_title：Radiology

authors： Kuhlpeter R,Dahnke H,Matuszewski L,Persigehl T,von Wallbrunn A,Allkemper T,Heindel WL,Schaeffter T,Bremer C

更新日期：2007-11-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic performance of gray-scale ultrasonography (US) and elastography in differentiating benign and malignant thyroid nodules. MATERIALS AND METHODS:This was an institutional review board-approved retrospective study with waiver of informed consent. A total of 703 solid thyroid nodules in ...

journal_title：Radiology

authors： Moon HJ,Sung JM,Kim EK,Yoon JH,Youk JH,Kwak JY

更新日期：2012-03-01 00:00:00

abstract：:Review of hospital charts of 168 patients surviving two or more years following the diagnosis of cancer and subsequent-examinations of 40 of these patients yielded these observations: (a) Hospital charts were adequate to ascertain the number of second primary neoplasms. Three malignant and eight benign tumors were fou...

journal_title：Radiology

authors： Meadows AT,D'Angio GJ,Evans AE,Harris CC,Miller RW,Mike V

更新日期：1975-01-01 00:00:00