Dynamic MR imaging of the pelvic floor performed with patient sitting in an open-magnet unit versus with patient supine in a closed-magnet unit.

abstract：PURPOSE:To determine whether infiltrative lung, airway, or vascular disease can be differentiated as the cause of mosaic attenuation on thin-section computed tomographic (CT) scans of the lung. MATERIALS AND METHODS:Thin-section CT scans were reviewed in 70 patients examined at three institutions. A mosaic attenuation...

journal_title：Radiology

authors： Worthy SA,Müller NL,Hartman TE,Swensen SJ,Padley SP,Hansell DM

更新日期：1997-11-01 00:00:00

abstract：PURPOSE:To assess the effects of acquisition duration on computed tomographic (CT) perfusion parameter values in neuroendocrine liver metastases and normal liver tissue. MATERIALS AND METHODS:This retrospective study was institutional review board approved, with waiver of informed consent. CT perfusion studies in 16 p...

journal_title：Radiology

authors： Ng CS,Hobbs BP,Chandler AG,Anderson EF,Herron DH,Charnsangavej C,Yao J

更新日期：2013-12-01 00:00:00

abstract：:Abnormalities at cerebral proton spectroscopy occur in patients with the acquired immunodeficiency syndrome (AIDS). N-acetyl aspartate (NAA) is believed to be a neuronal marker, and neuronal loss is thought to underlie the human immunodeficiency virus (HIV)-associated cognitive/motor complex. The proton spectra in 103...

journal_title：Radiology

authors： Chong WK,Sweeney B,Wilkinson ID,Paley M,Hall-Craggs MA,Kendall BE,Shepard JK,Beecham M,Miller RF,Weller IV

更新日期：1993-07-01 00:00:00

abstract：:The authors report an inflammatory fibroid polyp of the colon which simulated a tumor on the air-contrast barium-enema examination. Histological evaluation revealed the inflammatory nature of the polyp. These rare lesions can be radiographically indistinguishable from primary colon carcinoma. ...

journal_title：Radiology

authors： Ferin P,Skucas J

更新日期：1983-10-01 00:00:00

abstract：PURPOSE:To investigate the effect of duration and rate of contrast material injection on aortic peak time and peak enhancement in an injection protocol in which the contrast material dose is adjusted according to patient weight. MATERIALS AND METHODS:One hundred ninety-nine patients were randomly divided into three gr...

journal_title：Radiology

authors： Awai K,Hiraishi K,Hori S

更新日期：2004-01-01 00:00:00

abstract：:Calcifications located in the dermis of the breast may appear indistinguishable from intramammary calcifications. The authors present a sign, called the tattoo sign, that can help radiologists identify dermal calcifications. When mammograms are compared, calcifications that maintain a fixed relationship to each other ...

journal_title：Radiology

authors： Homer MJ,D'Orsi CJ,Sitzman SB

更新日期：1994-07-01 00:00:00

abstract：:In order to examine the effects of bacteriuria on renal growth and scarring, 208 schoolgirls aged 5 to 12 years, in whom bacteriuria was detected during a screening program, were followed for 4 years. Of these, 110 were treated. Excretory urography and micturating cystography were performed at the start and end of the...

journal_title：Radiology

authors：

更新日期：1979-08-01 00:00:00

abstract：:Six radiologists, acting as radiograph reviewers, used two different consultation protocols to differentiate among 292 ambiguous chest radiographic findings: 120 simulated nodules and 172 normal findings (previous readers' false-positive reports of nodules). The nonsearch protocol identified each finding (by film loca...

journal_title：Radiology

authors： Swensson RG,Theodore GH

更新日期：1990-12-01 00:00:00

abstract：PURPOSE:To determine if local application of L-arginine, r-hirudin, or molsidomine significantly reduces restenosis after balloon angioplasty in stenotic rabbit iliac arteries. MATERIALS AND METHODS:Thirty-one male cholesterol-fed New Zealand white rabbits underwent balloon dilation of both common iliac arteries to in...

journal_title：Radiology

authors： Kalinowski M,Alfke H,Bergen S,Klose KJ,Barry JJ,Wagner HJ

更新日期：2001-06-01 00:00:00

abstract：:A patient with jaundice caused by obstruction of the biliary ducts by cysts in a polycystic liver is presented. Decompression of the liver cysts under ultrasound guidance resulted in a rapid decrease of the serum bilirubin level. ...

journal_title：Radiology

authors： Ergün H,Wolf BH,Hissong SL

更新日期：1980-08-01 00:00:00

abstract：PURPOSE:To retrospectively compare the detection and characterization of hepatic perfusion disorder (HPD) associated with focal liver lesions (FLLs) at contrast material-enhanced ultrasonography (US) by using contrast-enhanced computed tomography (CT) as the reference standard. MATERIALS AND METHODS:The study was appr...

journal_title：Radiology

authors： Zhou X,Luo Y,Peng YL,Cai W,Lu Q,Lin L,Sha XX,Li YZ,Zhu M

更新日期：2011-07-01 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：:Purpose To evaluate whether dual-selectin-targeted US molecular imaging allows longitudinal monitoring of anti-inflammatory treatment effects in an acute terminal ileitis model in swine. Materials and Methods The Institutional Animal Care and Use Committee approved all animal studies. Fourteen swine with chemically in...

journal_title：Radiology

authors： Wang H,Hyvelin JM,Felt SA,Guracar I,Vilches-Moure JG,Cherkaoui S,Bettinger T,Tian L,Lutz AM,Willmann JK

更新日期：2018-10-01 00:00:00

abstract：PURPOSE:To compare image quality and coronary artery stenosis detection with breath-hold (BH) and free-breathing navigator-gated (NAV) coronary magnetic resonance (MR) angiography performed with the same imaging sequence (steady-state free precession) and identical spatial resolution in patients suspected of having cor...

journal_title：Radiology

authors： Jahnke C,Paetsch I,Schnackenburg B,Bornstedt A,Gebker R,Fleck E,Nagel E

更新日期：2004-09-01 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

abstract：PURPOSE:To compare specific findings at T1-weighted gradient-echo (GRE) magnetic resonance (MR) imaging performed after administration of superparamagnetic iron oxide (SPIO) with nontumorous regional portal perfusion abnormalities seen at computed tomography (CT) during arterial portography (CTAP). MATERIALS AND METHO...

journal_title：Radiology

authors： Scharf J,Hoffmann V,Lehnert T,Anselm H,Richter GM,Kauffmann GW

更新日期：1998-04-01 00:00:00

abstract：:Alterations in gastric physiology caused by selective embolization and vasopressin infusion of the left gastric artery were evaluated in 29 dogs. Gastric acidity was not significantly altered following Gelfoam embolization but decreased sharply with vasopressin infusion. These results suggest that the segmental occlus...

journal_title：Radiology

authors： Chuang VP,Reuter SR,Cho KJ,Schmidt RW

更新日期：1976-09-01 00:00:00

abstract：:Sixteen cases of histopathologically proved solitary rectal ulcer syndrome were encountered. Fifteen patients underwent barium enema study; in nine cases the findings--including rectal stricture, granularity of the mucosa, and thickened rectal folds-were nonspecific. In six cases the study was normal. All patients had...

journal_title：Radiology

authors： Goei R,Baeten C,Arends JW

更新日期：1988-08-01 00:00:00

abstract：:Spleen cells from normal or preimmunized mice were exposed to graded doses of peak pions or 300-kVp x rays in vitro and then cultured in heavily irradiated mice to determine antibody production against sheep erythrocytes. The RBE for the primary antibody response was 1.46. Equal suppression of secondary responses was ...

journal_title：Radiology

authors： Carlson DE

更新日期：1978-03-01 00:00:00

abstract：:The authors describe their experience with methyl tertiary butyl ether (MTBE) in a larger series of patients than previously reported in order to acquaint physicians with both its effectiveness for dissolution of common bile duct calculi and the limitations of its use. Ten patients with 13 biliary calculi underwent pe...

journal_title：Radiology

authors： Brandon JC,Teplick SK,Haskin PH,Sammon JK,Muhr WF,Hofmann AF,Gambescia RA,Zitomer N

更新日期：1988-03-01 00:00:00

abstract：:In 3,600 patients evaluated with technetium-99m sulfur colloid for metastatic liver disease, 40 had equivocal scans due to a solitary defect in the interior margin of the right lobe. In these patients, the authors differentiated the gallbladder fossa from a metastatic focus using one of two new hepatobiliary agents: t...

journal_title：Radiology

authors： Rao BK,Pastakia B,Lieberman LM

更新日期：1980-08-01 00:00:00

abstract：:The authors evaluated the relative importance of the following scanning parameters at computed tomographic bronchoscopy in an anesthetized adult sheep's thorax: section thickness (2, 4, 8 mm), pitch (1.0, 1.5, 2.0), milliampere setting (100, 175, 250 mA), and overlap of reconstructed sections (0%, 25%, 50%, 75%). Five...

journal_title：Radiology

authors： Hopper KD,Iyriboz TA,Mahraj RP,Wise SW,Kasales CJ,TenHave TR,Wilson RP,Weaver JS

更新日期：1998-12-01 00:00:00

abstract：PURPOSE:To explore the association between diffuse excessive high signal intensity (DEHSI), punctate white matter (WM) lesions, and ventricular dilatation around term-equivalent age (TEA) and at clinical follow-up at 2 years in very preterm infants and the effect on neurodevelopment. MATERIALS AND METHODS:Ethical appr...

journal_title：Radiology

authors： de Bruïne FT,van den Berg-Huysmans AA,Leijser LM,Rijken M,Steggerda SJ,van der Grond J,van Wezel-Meijler G

更新日期：2011-12-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of ultrasonographically (US) and stereotactically guided fine-needle aspiration biopsy (FNAB) in the diagnosis of nonpalpable breast lesions. MATERIALS AND METHODS:At 18 institutions, 442 women who underwent 22-25-gauge imaging-guided FNAB were enrolled. Definitive surgical...

journal_title：Radiology

authors： Pisano ED,Fajardo LL,Caudry DJ,Sneige N,Frable WJ,Berg WA,Tocino I,Schnitt SJ,Connolly JL,Gatsonis CA,McNeil BJ

更新日期：2001-06-01 00:00:00

abstract：:The classical abnormalities of von Recklinghausen disease (VRD) or neurofibromatosis are well recognized. However, vertebral scalloping and gauge defects of the anterior and lateral aspects have not been reviewed, to the authors' knowledge. Case reports of 3 patients with vertebral scalloping are presented. The classi...

journal_title：Radiology

authors： Casselman ES,Mandell GA

更新日期：1979-04-01 00:00:00

abstract：PURPOSE:To evaluate the potential utility of a number of parameters obtained at T2-weighted, diffusion-weighted, and dynamic contrast material-enhanced multiparametric magnetic resonance (MR) imaging for computer-aided diagnosis (CAD) of prostate cancer and assessment of cancer aggressiveness. MATERIALS AND METHODS:In...

journal_title：Radiology

authors： Peng Y,Jiang Y,Yang C,Brown JB,Antic T,Sethi I,Schmid-Tannwald C,Giger ML,Eggener SE,Oto A

更新日期：2013-06-01 00:00:00

abstract：:Studies in dogs showed that heat-treated 99mTc-labeled red blood cells (HT/RBC) afford a highly sensitive means of detecting gastrointestinal bleeding as low as 0.12 ml/min., which could not be seen with unheated 99mTc-RBC, 99mTc-sulfur colloid, or 99mTc-DTPA. In addition, as the right upper quadrant and epigastrium r...

journal_title：Radiology

authors： Som P,Oster ZH,Atkins HL,Goldman AG,Sacker DF,Harold WH,Fairchild RG,Richards P,Brill AB

更新日期：1981-01-01 00:00:00

abstract：:Leigh disease, or subacute necrotizing encephalomyelopathy (SNE), is a familial, degenerative disorder characterized by lesions of the gray and white matter in the brain and spinal cord. Low attenuation in the putamina on computed tomography (CT) scans is considered to be characteristic of the disease. The authors use...

journal_title：Radiology

authors： Paltiel HJ,O'Gorman AM,Meagher-Villemure K,Rosenblatt B,Silver K,Watters GV

更新日期：1987-01-01 00:00:00

abstract：:Purpose To determine whether fructose 1,6-bisphosphatase 1 (FBP1) expression is associated with fluorine 18 (18F) fluorodeoxyglucose (FDG) accumulation in patients with hepatocellular carcinoma (HCC) and to investigate how FBP1 expression and 18F FDG uptake are related to tumor differentiation grade and metabolism and...

journal_title：Radiology

authors： Chen R,Li J,Zhou X,Liu J,Huang G

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:To characterize the imaging features of desmoplastic small round cell tumor of the abdomen and correlate them with the histopathologic findings. MATERIALS AND METHODS:Eleven of 14 patients with desmoplastic small round cell tumor had primary abdominal involvement. In nine of these patients (mean age, 20 years)...

journal_title：Radiology

authors： Pickhardt PJ,Fisher AJ,Balfe DM,Dehner LP,Huettner PC

更新日期：1999-03-01 00:00:00