White Matter by Diffusion MRI Following Methylphenidate Treatment: A Randomized Control Trial in Males with Attention-Deficit/Hyperactivity Disorder.

abstract：:Twenty-nine subjects with occupational asbestos exposure and clinical asbestosis were examined with high-resolution computed tomography (HRCT) to determine its sensitivity, relative to that of conventional computed tomography (CT), for detection of benign asbestos-related disease. Thin-section HRCT scans were obtained...

journal_title：Radiology

authors： Aberle DR,Gamsu G,Ray CS,Feuerstein IM

更新日期：1988-03-01 00:00:00

abstract：:Although intravascular foreign bodies are routinely removed with percutaneous extraction, surgical retrieval is performed of most nonvascular foreign bodies. The authors describe six cases in which percutaneous extraction was performed for removal of nonvascular foreign bodies. These foreign bodies included an intraab...

journal_title：Radiology

authors： Nosher JL,Siegel R

更新日期：1993-06-01 00:00:00

abstract：:Purpose To assess whether contrast material-enhanced ultrasonography (US) can be used to differentiate responders from nonresponders among patients with clinically active Crohn disease after 6 weeks of pharmacologic treatment. Materials and Methods This prospective study was approved by our ethics committee, and writt...

journal_title：Radiology

authors： Quaia E,Sozzi M,Angileri R,Gennari AG,Cova MA

更新日期：2016-11-01 00:00:00

abstract：:The computed tomographic (CT) scans of 45 patients (30 adults, 15 children) with cerebral cysticercosis were reviewed. These patients had undergone complete diagnostic evaluations including skin tests, laboratory tests, plain skull radiography, radionuclide brain scanning, CT, and cerebral angiography. All of these te...

journal_title：Radiology

authors： Byrd SE,Locke GE,Biggers S,Percy AK

更新日期：1982-09-01 00:00:00

abstract：:A distinctive type of artifactual extravascular assignment of color was identified in 49 color Doppler ultrasound (US) examinations in 43 patients. This artifact appeared as a random localized mixture of red and blue assigned to perivascular soft tissues; the artifact varied with the cardiac cycle, being most prominen...

journal_title：Radiology

authors： Middleton WD,Erickson S,Melson GL

更新日期：1989-06-01 00:00:00

abstract：:The relationship of the brain angiographic mode circulation time (AVCT) to the mean transit time of the vascular indicator C15O-labeled hemoglobin (tc15o) and the regional cerebral blood flow (rCBF) as measured by the clearance of the diffusible tracer H2-15O was examined in 38 patients with selected cerebral diseases...

journal_title：Radiology

authors： Gado M,Eichling J,Grubb R,Phelps M,Raichie M,Ter-Pogossian MM

更新日期：1975-04-01 00:00:00

abstract：:Radiologists are frequently called upon to perform percutaneous biopsy. Selection of the proper needle is becoming more complex as the number of types increases and reports of better results with certain needles proliferate. The authors evaluated a wide variety of needles of different caliber, cutting tip, and bevel. ...

journal_title：Radiology

authors： Andriole JG,Haaga JR,Adams RB,Nunez C

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:To compare various subjective, empiric, and pharmacokinetic methods for interpreting findings at dynamic magnetic resonance (MR) imaging of the breast. MATERIALS AND METHODS:Dynamic spiral breast MR imaging was performed in 52 women suspected of having or with known breast disease. Gadolinium-enhanced images w...

journal_title：Radiology

authors： Daniel BL,Yen YF,Glover GH,Ikeda DM,Birdwell RL,Sawyer-Glover AM,Black JW,Plevritis SK,Jeffrey SS,Herfkens RJ

更新日期：1998-11-01 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：:Failures and complications were analyzed retrospectively in 45 patients treated with embolotherapy or occlusion of pulmonary arterial circulation. Pulmonary arterial branches were occluded with steel coils in 19 patients with pulmonary arteriovenous malformations, 17 with hemoptysis of pulmonary artery (PA) origin, an...

journal_title：Radiology

authors： Remy-Jardin M,Wattinne L,Remy J

更新日期：1991-09-01 00:00:00

abstract：PURPOSE:To evaluate possible radiation dose reduction in the extremities with use of digital radiography and a needle-structured image plate (NIP) by comparing this technique with digital radiography performed with a powder-structured image plate (PIP) and a flat-panel detector (FPD). MATERIALS AND METHODS:This study ...

journal_title：Radiology

authors： Wirth S,Treitl M,Reiser MF,Körner M

更新日期：2009-01-01 00:00:00

abstract：:To visualize the flow of cerebrospinal fluid (CSF) throughout the ventricles and subarachnoid space, measure mean and maximum CSF velocities, and quantitate CSF flow through the aqueduct of Sylvius, magnetic resonance (MR) imaging was performed with a sagittal technique that is flow-sensitive in the craniocaudal direc...

journal_title：Radiology

authors： Nitz WR,Bradley WG Jr,Watanabe AS,Lee RR,Burgoyne B,O'Sullivan RM,Herbst MD

更新日期：1992-05-01 00:00:00

abstract：:The diagnostic value of computed tomography (CT) and barium enema (BE) studies was evaluated prospectively in hospitalized patients with the presumptive diagnosis of acute sigmoid diverticulitis based on the presence of left-lower-quadrant pain and tenderness, fever, and leukocytosis. Of 56 patients, 11 had sigmoid di...

journal_title：Radiology

authors： Cho KC,Morehouse HT,Alterman DD,Thornhill BA

更新日期：1990-07-01 00:00:00

abstract：:Exfoliative cytology of bile aspirated from percutaneously placed combined external/internal biliary drainage catheters yielded positive results in 34% of 100 cases. There were no false-positive results. Bile cytology is a simple, inexpensive, and useful method which can establish a diagnosis of malignant biliary obst...

journal_title：Radiology

authors： Muro A,Mueller PR,Ferrucci JT Jr,Taft PD

更新日期：1983-12-01 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：:A case of radiologically demonstrable gas gangrene of the colon was proved pathologically to be caused by C. perfringens. The case was radiologically indistinguishable from that of bowel infarction. When intramural gas is seen in patients with the symptoms of toxemia but without the bloody diarrhea associated with bow...

journal_title：Radiology

authors： Rudikoff JC

更新日期：1977-07-01 00:00:00

abstract：:In a retrospective study of proved pseudoaneurysms (PAs) in 15 patients with transplanted organs (11 liver, three kidney, one pancreas), the results of computed tomography (CT), duplex sonography, and angiography were reviewed. Of the 15 cases of PA, eight occurred at the arterial anastomosis and seven were nonanastom...

journal_title：Radiology

authors： Tobben PJ,Zajko AB,Sumkin JH,Bowen A,Fuhrman CR,Skolnick ML,Bron KM,Esquivel CO,Starzl TE

更新日期：1988-10-01 00:00:00

abstract：:Digital radiographs obtained with a CT scanner were evaluated as an alternative to conventional pelvimetry. Dosimetry studies demonstrated an absorbed radiation dose of 22 mrad for each digital radiograph, approximately 3% of the dose for comparable standard radiographs. Distance measurements were accurately made on d...

journal_title：Radiology

authors： Federle MP,Cohen HA,Rosenwein MF,Brant-Zawadzki MN,Cann CE

更新日期：1982-06-01 00:00:00

abstract：:Purpose To quantify the rate of detection of aneurysms at follow-up digital subtraction angiography (DSA) after initial DSA with results negative for aneurysms in subjects with perimesencephalic (PM) nonaneurysmal subarachnoid hemorrhage. Materials and Methods This single-center retrospective study and meta-analysis w...

journal_title：Radiology

authors： Potter CA,Fink KR,Ginn AL,Haynor DR

更新日期：2016-12-01 00:00:00

abstract：PURPOSE:To compare the image quality and degree of vessel narrowing at flow-sensitive dephasing (FSD) magnetic resonance (MR) angiography of the hands with those at contrast material-enhanced MR angiography of the hands in patients with systemic sclerosis. MATERIALS AND METHODS:In a single-center study with institutio...

journal_title：Radiology

authors： Sheehan JJ,Fan Z,Davarpanah AH,Hodnett PA,Varga J,Carr JC,Li D

更新日期：2011-04-01 00:00:00

abstract：:Findings from computed tomography (CT) and ultrasound (US) examinations of 74 patients who were clinically thought to have pelvic masses and of 110 patients who had possible recurrence of pelvic tumors were analyzed. There was no significant difference in the ability of the two modalities to identify masses or to pred...

journal_title：Radiology

authors： Sanders RC,McNeil BJ,Finberg HJ,Hessel SJ,Siegelman SS,Adams DF,Alderson PO,Abrams HL

更新日期：1983-02-01 00:00:00

abstract：:Radiological abnormalities of the ribs are reported in 5 newborn infants with myotonic dystrophy. In all 5, the ribs appeared very thin, in contrast to the normal appearance of the rest of the skeleton. This slenderness, which is important for diagnosis and prognosis, seems to be caused by hypotonia of the intercostal...

journal_title：Radiology

authors： Chassevent J,Sauvegrain J,Besson-Leaud M,Kalifa G

更新日期：1978-06-01 00:00:00

abstract：:Computed tomography of the brain was used in evaluating demented and nondemented elderly people. The incidence of convulutional atrophy and ventricular enlargement correlated well with pathologic and pneumoencephalographic examination of a similar population. Computed tomography also showed certain instances of dement...

journal_title：Radiology

authors： Huckman MS,Fox J,Topel J

更新日期：1975-07-01 00:00:00

abstract：PURPOSE:To quantify cephalocaudal gradient of lung inflation in acute lung injury in a dog model in prone versus supine position. MATERIALS AND METHODS:Experiments were performed in accordance with Guide for the Care and Use of Laboratory Animals, as approved by National Research Council (National Institutes of Health...

journal_title：Radiology

authors： Lee HJ,Im JG,Goo JM,Kim YI,Lee MW,Ryu HG,Bahk JH,Yoo CG

更新日期：2005-01-01 00:00:00

abstract：:As computer networks become an integral part of the radiology practice, it is appropriate to raise concerns regarding their security. The purpose of this article is to present an overview of computer network security risks and preventive strategies as they pertain to the radiology enterprise. A number of technologies ...

journal_title：Radiology

authors： Eng J

更新日期：2001-08-01 00:00:00

abstract：PURPOSE:To determine technical success with percutaneous abscess drainage (PAD) in patients with Crohn disease during 14 years. MATERIALS AND METHODS:Medical records of 32 patients with Crohn disease who underwent PAD from 1985 to 1999 were reviewed. Results of abscess drainage and nature of subsequent surgical proced...

journal_title：Radiology

authors： Gervais DA,Hahn PF,O'Neill MJ,Mueller PR

更新日期：2002-03-01 00:00:00

abstract：:To evaluate the manifestations of chronic hypersensitivity pneumonitis at radiography and high-resolution computed tomography (HRCT), findings in 16 patients with this disease were reviewed. To ensure objectivity, 50 patients with other chronic infiltrative lung diseases (fibrosing alveolitis [n = 29], sarcoidosis [n ...

journal_title：Radiology

authors： Adler BD,Padley SP,Müller NL,Remy-Jardin M,Remy J

更新日期：1992-10-01 00:00:00

abstract：:Gallbladder disease, and the patients with symptoms suggestive of gallbladder disease, remains a widespread clinical problem that requires investigation by imaging techniques. Sonography, and to a lesser extent cholescintigraphy, has facilitated the evaluation of these patients and allows the diagnosis of cholelithias...

journal_title：Radiology

authors： Cooperberg PL,Gibney RG

更新日期：1987-06-01 00:00:00

abstract：:Using a method combining the velocity of ultrasound and photon absorptiometry in the human radius in vivo, the authors measured the speed of sound in bone (U) and bone mineral content (BMC). From these measurements and a "simple" bone model, they then computed the bone mineral density, compact bone density, and modulu...

journal_title：Radiology

authors： Greenfield MA,Craven JD,Huddleston A,Kehrer ML,Wishko D,Stern R

更新日期：1981-03-01 00:00:00

abstract：:Fifty-one pediatric patients who were suspected of having central nervous system (CNS) tumors underwent magnetic resonance (MR) imaging using a 0.35 T Diasonics MT/S system. Pulse intervals (TR) ranged from 0.5 to 2.0 seconds with echo delays (TE) of 28 and 56 msec. The ability of MR and contrast-enhanced CT to detect...

journal_title：Radiology

authors： Kucharczyk W,Brant-Zawadzki M,Sobel D,Edwards MB,Kelly WM,Norman D,Newton TH

更新日期：1985-04-01 00:00:00