Anxiety in patients undergoing MR imaging.

abstract：PURPOSE:To determine if a tiny enhancing dot is characteristic of small hemangiomas with low attenuation during the hepatic arterial phase (HAP) and portal venous phase (PVP) of two-phase spiral computed tomography (CT). MATERIALS AND METHODS:Among 249 consecutive patients with 377 hemangiomas who underwent two-phase ...

journal_title：Radiology

authors： Jang HJ,Choi BI,Kim TK,Yun EJ,Kim KW,Han JK,Han MC

更新日期：1998-08-01 00:00:00

abstract：PURPOSE:To compare areas of contrast material enhancement in the prostate at ultrasonography (US) with whole-mount radical prostatectomy specimens to determine if the use of contrast material improves the detection rate of prostate cancer. MATERIALS AND METHODS:Transrectal US was performed in 12 subjects with cancer o...

journal_title：Radiology

authors： Halpern EJ,McCue PA,Aksnes AK,Hagen EK,Frauscher F,Gomella LG

更新日期：2002-02-01 00:00:00

abstract：:Primary adenocarcinoma of the esophagus is thought to be a rare lesion. However, pathologic records at our institution from 1979 to 1982 show that adenocarcinoma accounted for 17 of 89 (19%) of all primary malignant tumors in the esophagus. All 17 cases arose in Barrett mucosa. In eight cases, there was surgically pro...

journal_title：Radiology

authors： Levine MS,Caroline D,Thompson JJ,Kressel HY,Laufer I,Herlinger H

更新日期：1984-02-01 00:00:00

abstract：PURPOSE:To evaluate the value of magnetic resonance (MR) imaging with a flexible surface coil in predicting the resectability of tumors in the lower rectum and the feasibility of sphincteral salvage. MATERIALS AND METHODS:In a prospective study, 61 patients with histologically proved primary adenocarcinoma of the lowe...

journal_title：Radiology

authors： Urban M,Rosen HR,Hölbling N,Feil W,Hochwarther G,Hruby W,Schiessel R

更新日期：2000-02-01 00:00:00

abstract：:The use of computed tomography (CT) in 28 patients with surgically proved prolactinomas is described. The authors' experience suggests that in evaluating patients with galactorrhea-amenorrhea syndrome, CT in combination with pluridirectional tomography usually provides sufficient information to make further invasive s...

journal_title：Radiology

authors： Wolpert SM,Post KD,Biller BJ,Molitch ME

更新日期：1979-04-01 00:00:00

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

journal_title：Radiology

authors： Eng J,Bluemke DA

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:To investigate the association between cumulative operator volume and the risk of hepatocellular carcinoma (HCC) recurrence after potentially curative radiofrequency ablation (RFA). MATERIALS AND METHODS:This study was approved by the Research Ethics Committee. By using the Taiwan National Health Insurance Res...

journal_title：Radiology

authors： Lee TY,Lin JT,Ho HJ,Wu MS,Wu CY

更新日期：2015-07-01 00:00:00

abstract：PURPOSE:To investigate technical feasibility, test-retest reproducibility, and the ability to differentiate healthy subjects from subjects with osteoarthritis (OA) with diffusion-tensor (DT) imaging parameters and T2 relaxation time. MATERIALS AND METHODS:This study was approved by the institutional review board and w...

journal_title：Radiology

authors： Raya JG,Horng A,Dietrich O,Krasnokutsky S,Beltran LS,Storey P,Reiser MF,Recht MP,Sodickson DK,Glaser C

更新日期：2012-02-01 00:00:00

abstract：:Preliminary work has shown that normal lungs have predictable CT patterns and density ranges. In emphysema, there are irregular zones of extremely low density as well as an overall low mean density. CT appears to have considerable potential for early detection of pulmonary emphysema and characterization of the degree ...

journal_title：Radiology

authors： Rosenblum LJ,Mauceri RA,Wellenstein DE,Bassano DA,Cohen WN,Heitzman ER

更新日期：1978-11-01 00:00:00

abstract：:The safety of small-caliber firearms in a 1.5-T magnetic resonance (MR) imaging environment was assessed with six handguns, which were unloaded before testing. Each firearm was withdrawn barrel-first to assess the interaction of the magnetic field with the hammer and/or trigger. Two of the six weapons discharged repro...

journal_title：Radiology

authors： Kanal E,Shaibani A

更新日期：1994-12-01 00:00:00

abstract：:Management of advanced or recurrent primary tracheal neoplasms has been restricted to palliative external beam irradiation. A patient with recurrent adenoid cystic carcinoma of the trachea was recently treated again by combined external irradiation and endotracheal brachytherapy with iridium 192 sources; the results w...

journal_title：Radiology

authors： Percarpio B,Price JC,Murphy P

更新日期：1978-07-01 00:00:00

abstract：:An analysis of the cervical facet joint menisci was done in which cryomicrotomy sections were correlated with magnetic resonance (MR) images. In parasagittal anatomic sections in ten cadavers, 10-69 years of age at death, four types of meniscus were defined. Type 1 was a thin washer of dense connective tissue covering...

journal_title：Radiology

authors： Yu SW,Sether L,Haughton VM

更新日期：1987-07-01 00:00:00

abstract：:In some patients with right-lower-lobe collapse a triangular shadow was seen in the right upper lung field, continuous with the mediastinum and with its apex pointing toward the right hilus. This represents a shift of the upper anterior mediastinum to the right and may be mistaken for right-upper-lobe collapse or an i...

journal_title：Radiology

authors： Kattan KR,Felson B,Holder LE,Eyler WR

更新日期：1975-08-01 00:00:00

abstract：PURPOSE:To determine the reliability and accuracy of magnetic resonance (MR) arthrography for the diagnosis of superior labral anterior posterior (SLAP) tears. MATERIALS AND METHODS:The MR arthrograms in 80 patients who underwent arthroscopy and MR arthrography during a 54-month period were retrospectively reviewed. M...

journal_title：Radiology

authors： Jee WH,McCauley TR,Katz LD,Matheny JM,Ruwe PA,Daigneault JP

更新日期：2001-01-01 00:00:00

abstract：:To avoid the disadvantages associated with use of the traditional percutaneous transhepatic cholangiography (PTC) needle in ultrasonically guided percutaneous ethanol injection therapy (PEIT) for hepatocellular carcinoma, the authors developed a needle with a three-sided tip and three holes within 3 mm of the tip. In ...

journal_title：Radiology

authors： Akamatsu K,Miyauchi S,Ito Y,Ohkubo K,Maruyama M

更新日期：1993-01-01 00:00:00

abstract：:We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea. Fifteen (47%) of these cisternography studies were positive, and the site of the leak was identified. No leak could be demonstrated i...

journal_title：Radiology

authors： Curnes JT,Vincent LM,Kowalsky RJ,McCartney WH,Staab EV

更新日期：1985-03-01 00:00:00

abstract：PURPOSE:To evaluate imaging utilization trends in patients with acute pancreatitis (AP) and to assess independent predictors of radiology usage in relation to patient outcomes. MATERIALS AND METHODS:Institutional review board approval was obtained for this HIPAA-compliant study; written informed consent was waived. AP...

journal_title：Radiology

authors： Mortele KJ,Ip IK,Wu BU,Conwell DL,Banks PA,Khorasani R

更新日期：2011-01-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the incidence of and risk factors for pneumothorax, pleural effusion, and chest tube placement for pneumothorax after radiofrequency (RF) ablation of lung tumors. MATERIALS AND METHODS:Institutional review board approval was obtained, with waiver of informed consent. This retrospect...

journal_title：Radiology

authors： Hiraki T,Tajiri N,Mimura H,Yasui K,Gobara H,Mukai T,Hase S,Fujiwara H,Iguchi T,Sano Y,Shimizu N,Kanazawa S

更新日期：2006-10-01 00:00:00

abstract：PURPOSE:To determine the patterns of dynamic enhancement of normal spinal bone marrow in adults at gadolinium-enhanced magnetic resonance (MR) imaging and the changes that occur with aging. MATERIALS AND METHODS:Dynamic contrast material-enhanced MR imaging of the thoracolumbar spine was performed in 71 patients. The ...

journal_title：Radiology

authors： Montazel JL,Divine M,Lepage E,Kobeiter H,Breil S,Rahmouni A

更新日期：2003-12-01 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：:Most patients with hepatic portal venous gas are seriously ill with some combination of bowel ischemia, distension, and/or necrosis. The authors report a case in which a necrotic splenic flexure carcinoma seeded gas and septic thrombi to the liver. ...

journal_title：Radiology

authors： Gold RP,Seaman WB

更新日期：1977-02-01 00:00:00

abstract：:One hundred patients whose standard endoscopic retrograde cholangiographic studies gave poor visualization of the biliary tract were investigated using a balloon catheter introduced into the common bile duct by duodenoscopy to block contrast material leakage. Full diagnostic visualization was obtained in 90 patients, ...

journal_title：Radiology

authors： Yoshimoto H,Ikeda S,Tanaka M,Matsumoto S,Nakayama F

更新日期：1986-04-01 00:00:00

abstract：PURPOSE:To clarify the angiographic findings of the posterior circulation in patients with moyamoya disease. MATERIALS AND METHODS:Seventy-six patients with idiopathic moyamoya disease were studied with conventional angiography. The angiographic findings were reviewed for steno-occlusive lesions, collateral vessels, a...

journal_title：Radiology

authors： Yamada I,Himeno Y,Suzuki S,Matsushima Y

更新日期：1995-10-01 00:00:00

abstract：:The ability of magnetic resonance (MR) imaging to detect and distinguish various stages of obstruction in the canine kidney was investigated. MR images were obtained at acute, subacute, and chronic stages of experimentally produced hydronephrosis. The renal cortex was distinguished from the renal medulla in the normal...

journal_title：Radiology

authors： Thickman D,Kundel H,Biery D

更新日期：1984-07-01 00:00:00

abstract：PURPOSE:To evaluate ultrasonographic (US) features in the differential diagnosis of giant gastric folds. MATERIALS AND METHODS:One hundred sixty-five patients with giant gastric folds at transabdominal US examination (five with Ménétrier disease, 24 with anisakiasis, 61 with acute gastric mucosal lesion [AGML], 13 wit...

journal_title：Radiology

authors： Okanobu H,Hata J,Haruma K,Hara M,Nakamura K,Tanaka S,Chayama K

更新日期：2003-03-01 00:00:00

abstract：:Technetium-99m gamma camera images of kidneys produced with an iodine-131 energy window showed "ghosts" over and between the kidneys and between the kidneys and the bladder. The cause was coincidence summing at 281 keV due to a high 99mTc counting rate. In older model cameras careful peaking with a proper energy windo...

journal_title：Radiology

authors： Harris CC,Wilkinson RH Jr,Schuler FR

更新日期：1983-02-01 00:00:00

abstract：PURPOSE:To determine if magnetic resonance (MR) imaging data can be used to create rigid models that are accurate representations of the right ventricular outflow tract (RVOT) and pulmonary trunk anatomy and if such models can be used to refine the selection of patients for percutaneous pulmonary valve implantation (PP...

journal_title：Radiology

authors： Schievano S,Migliavacca F,Coats L,Khambadkone S,Carminati M,Wilson N,Deanfield JE,Bonhoeffer P,Taylor AM

更新日期：2007-02-01 00:00:00

abstract：:The authors describe the use of neodymium yttrium aluminum garnet laser introduced via a percutaneous catheter track for photocoagulation of a bleeding bile duct tumor. ...

journal_title：Radiology

authors： Carpenter CM,Bowers JH,Luers PR,Dixon JA,Miller FJ

更新日期：1983-09-01 00:00:00

abstract：:The effect of fasting on gallbladder opacification during oral cholecystography was studied in 10 normal volunteers using 2 oral cholecystographic agents, iopanoic acid and sodium tryopanoate. Radiographs made 15 hours after ingestion of the contrast agents revealed good opacification of the gallbladder in all subject...

journal_title：Radiology

authors： Loeb PM,Berk RN,Janes JO,Perkin L,Moore J

更新日期：1978-02-01 00:00:00

abstract：:Background In the absence of randomized studies, it has been controversial whether the likelihood of acute kidney injury (AKI) differs between intravenous and intra-arterial contrast agent administration. Purpose To compare intravenous versus intra-arterial contrast agent administration in relationship to AKI and anal...

journal_title：Radiology

authors： Schönenberger E,Martus P,Bosserdt M,Zimmermann E,Tauber R,Laule M,Dewey M

更新日期：2019-09-01 00:00:00