Improved peripheral MR angiography with temperature regulation in healthy patients.

abstract：PURPOSE:To determine the visibility of presumably excised lesions on screen-film mammograms obtained after biopsy and to determine the accuracy of clip deployment on the basis of measurements obtained on routine pre- and postbiopsy mammograms. MATERIALS AND METHODS:One hundred eleven cases of core-needle biopsy with c...

journal_title：Radiology

authors： Rosen EL,Vo TT

更新日期：2001-02-01 00:00:00

abstract：PURPOSE:To compare the accuracy of magnetic resonance (MR) imaging with that of the current clinical standard of endoscopy and endoscopic biopsy, to determine whether MR imaging depicts subclinical cancers missed at endoscopy and endoscopic biopsy, and to determine whether MR imaging can identify patients without nasop...

journal_title：Radiology

authors： King AD,Vlantis AC,Bhatia KS,Zee BC,Woo JK,Tse GM,Chan AT,Ahuja AT

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:To evaluate dynamic magnetic resonance (MR) defecography performed with a superconducting, open-configuration system in diagnosis of defecation disorders. MATERIALS AND METHODS:Five healthy volunteers and 15 patients with defecation disorders were studied with MR defecography performed with a superconducting, ...

journal_title：Radiology

authors： Schoenenberger AW,Debatin JF,Guldenschuh I,Hany TF,Steiner P,Krestin GP

更新日期：1998-03-01 00:00:00

abstract：PURPOSE:To evaluate the safety and efficacy of biliary intervention performed by means of percutaneous transjejunal access. MATERIALS AND METHODS:In 28 patients with conventional antecolic Roux-en-Y choledochojejunostomy or hepaticojejunostomy loops, 41 attempts were made at direct percutaneous entry into the jejunal ...

journal_title：Radiology

authors： Perry LJ,Stokes KR,Lewis WD,Jenkins RL,Clouse ME

更新日期：1995-04-01 00:00:00

abstract：PURPOSE:To test whether magnetic resonance (MR) imaging enables accurate measurement of extraction fraction (EF) in swine with unilateral renal ischemia and to evaluate effects of renal arterial stenosis on EF and single-kidney glomerular filtration rate. MATERIALS AND METHODS:High-grade unilateral renal arterial sten...

journal_title：Radiology

authors： Coulam CH,Lee JH,Wedding KL,Spielman DM,Pelc NJ,Kee ST,Hill BB,Bouley DM,Derby GC,Myers BD,Sawyer-Glover AM,Sommer FG

更新日期：2002-04-01 00:00:00

abstract：PURPOSE:To evaluate fluid-attenuated inversion-recovery (FLAIR) magnetic resonance (MR) imaging in a blinded reader study for the detection of proved subarachnoid space (SAS) disease. MATERIALS AND METHODS:FLAIR MR imaging was performed in 62 patients (21 with proved SAS or meningeal disease) and 41 control patients. ...

journal_title：Radiology

authors： Singer MB,Atlas SW,Drayer BP

更新日期：1998-08-01 00:00:00

abstract：PURPOSE:To evaluate the effect of the introduction of digital mammography on the recall rate, detection rate, false-positive rate, and rates of invasive procedures in a cohort of women from four population-based breast cancer screening programs in Spain. MATERIALS AND METHODS:The study was approved by the ethics commi...

journal_title：Radiology

authors： Sala M,Salas D,Belvis F,Sánchez M,Ferrer J,Ibañez J,Román R,Ferrer F,Vega A,Laso MS,Castells X

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:To outline a quality assessment method with peer review for magnetic resonance (MR) imaging. MATERIALS AND METHODS:Thirty-three providers in the Philadelphia area were rated on a random sample of 132 brain, 124 cervical spine, and 113 lower extremity MR imaging examinations performed during 1990. Blinded peer ...

journal_title：Radiology

authors： Friedman DP,Rosetti GF,Flanders AE,Piccoli CW,Rao VM,Mitchell DG,Tartaglino LM,Gonzalez CF,Schweitzer ME,Mishkin MM

更新日期：1995-07-01 00:00:00

abstract：:Computed tomography (CT) resulted in a diagnostic accuracy of 89.2% and 96.1% for medial and lateral meniscal lesions, respectively, in 109 patients who underwent surgery after a direct CT study of the knee joint for a clinically suspected meniscal lesion. The meniscal lesions were the only pathologic condition found ...

journal_title：Radiology

authors： Passariello R,Trecco F,de Paulis F,Masciocchi C,Bonanni G,Zobel BB

更新日期：1985-10-01 00:00:00

abstract：PURPOSE:To develop and evaluate a method based on ultrashort echo-time radial magnetic resonance (MR) imaging to quantify bone water (BW) concentration as a new metric of bone quality in human cortical bone in vivo. MATERIALS AND METHODS:Human subject studies were institutional review board approved and HIPAA complian...

journal_title：Radiology

authors： Techawiboonwong A,Song HK,Leonard MB,Wehrli FW

更新日期：2008-09-01 00:00:00

abstract：:Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Moore JS Jr,Payne JT

更新日期：1977-10-01 00:00:00

abstract：PURPOSE:To evaluate fluorine 18 ((18)F) dihydroxyphenylalanine (DOPA) whole-body positron emission tomography (PET) as a biochemical imaging approach for detection of pheochromocytomas. MATERIALS AND METHODS:(18)F DOPA PET and magnetic resonance (MR) imaging were performed in 14 consecutive patients suspected of havin...

journal_title：Radiology

authors： Hoegerle S,Nitzsche E,Altehoefer C,Ghanem N,Manz T,Brink I,Reincke M,Moser E,Neumann HP

更新日期：2002-02-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the sensitivity of computer-aided detection (CAD) in depicting ductal carcinoma in situ (DCIS) on screening mammograms by using biopsy proved lesion location as the reference standard. MATERIALS AND METHODS:Institutional review board approval was obtained, with a waiver of patient i...

journal_title：Radiology

authors： Pai VR,Gregory NE,Swinford AE,Rebner M

更新日期：2006-12-01 00:00:00

abstract：:Background Modern high-spatial-resolution radiologic methods enable increasingly detailed volumetric postmortem investigations of human neuroanatomy for diagnostic, research, and educational purposes. Purpose To evaluate the viability of postmortem x-ray phase-contrast micro-CT to provide tissue-conserving, high-spati...

journal_title：Radiology

authors： Barbone GE,Bravin A,Mittone A,Grosu S,Ricke J,Cavaletti G,Djonov V,Coan P

更新日期：2021-01-01 00:00:00

abstract：:Distal splenorenal shunts were made in 25 patients with cirrhosis of the liver and portal hypertension. Angiograms were obtained in 16 patients at one week, three and six months, and at one year postoperatively. Portal vein flow had diminished in all patients compared with flow seen in preoperative angiograms. Hepatof...

journal_title：Radiology

authors： Tylén U,Simert G,Vang J

更新日期：1976-12-01 00:00:00

abstract：:The potential renal vasodilatory effect of dopamine in improving renal function after arteriography was studied. Sixty patients with preexisting renal insufficiency were prospectively randomized into two groups. Patients in the treated group (n = 30) received an infusion of dopamine for 12 hours starting at the beginn...

journal_title：Radiology

authors： Hans B,Hans SS,Mittal VK,Khan TA,Patel N,Dahn MS

更新日期：1990-09-01 00:00:00

abstract：:The theories of decision processes and signal detection provide a framework for evaluation of observer performance. Some radiological procedures involve a search for multiple similar lesions, e.g., plain radiographic examinations for gallstones or pneumoconiosis. Presuming knowledge of the conventional ROC curve for d...

journal_title：Radiology

authors： Metz CE,Starr SJ,Lusted LB

更新日期：1976-11-01 00:00:00

abstract：:The incidental radiation dose of lithium fluoride thermoluminescence dosimeters was recorded during 15 treatments of patients with auricular keloids. Two half-value layers were used, and the results were compared. In both instances, the homolateral lens and thyroid received twice the contralateral dose. The oropharynx...

journal_title：Radiology

authors： Fitzgerald RH Jr,Tuten TU,Fenn JO

更新日期：1982-08-01 00:00:00

abstract：:Modern rapid magnetic resonance (MR) imaging techniques have led to widespread use of the modality in cardiac imaging. Despite this progress, many MR studies suffer from image degradation due to involuntary motion during the acquisition. This review describes the type and extent of the motion of the heart due to the c...

journal_title：Radiology

authors： Scott AD,Keegan J,Firmin DN

更新日期：2009-02-01 00:00:00

abstract：:The most serious complication of Paget disease is the development of sarcoma. Forty-one cases of bone sarcoma in Paget disease, which represented our institution's entire experience, were reviewed. The relative frequency of sarcomatous degeneration was 0.9%. Histologically, 35 of 41 lesions were osteogenic sarcomas, a...

journal_title：Radiology

authors： Greditzer HG 3rd,McLeod RA,Unni KK,Beabout JW

更新日期：1983-02-01 00:00:00

abstract：PURPOSE:To evaluate clinically suspected Morton neuroma with contrast material-enhanced magnetic resonance (MR) images. MATERIALS AND METHODS:Fifteen patients with clinically suspected Morton neuroma underwent examination with conventional T1- and T2-weighted MR imaging and a combination of fat suppression and adminis...

journal_title：Radiology

authors： Terk MR,Kwong PK,Suthar M,Horvath BC,Colletti PM

更新日期：1993-10-01 00:00:00

abstract：PURPOSE:To assess feasibility and reliability of electrocardiographic (ECG)-gated cardiac magnetic resonance (MR) imaging with a simplified reusable electrode design that does not touch the skin. MATERIALS AND METHODS:In this institutional review board-approved, HIPAA-compliant study, a silicon positioner held four EC...

journal_title：Radiology

authors： Thimmappa ND,Cooper MA,Nguyen TD,Dutruel SP,Kawaji K,Weinsaft JW

更新日期：2016-02-01 00:00:00

abstract：:Numerous in vitro studies have found that clot formation may occur when blood is mixed directly with nonionic low-osmolality contrast media during angiographic procedures because of activation of hemostasis in the catheter; ionic contrast media, on the other hand, inhibit clot formation. Thirty patients were injected ...

journal_title：Radiology

authors： Casalini E

更新日期：1992-06-01 00:00:00

abstract：PURPOSE:The authors describe radiologic findings of cystic lung disease associated with pulmonary tuberculosis. MATERIALS AND METHODS:Three immunocompetent women with pulmonary tuberculosis were seen with acute respiratory failure and diffuse bilateral pulmonary opacity depicted at admission chest radiography. The wom...

journal_title：Radiology

authors： Ko KS,Lee KS,Kim Y,Kim SJ,Kwon OJ,Kim JS

更新日期：1997-07-01 00:00:00

abstract：:Deshpande et al (1) have shown that P-selectin-targeted microbubbles (MBs) can be used to monitor the expression of this molecule as a marker of inflammation in a murine model of inflammatory bowel disease (IBD). If these results can be reproduced in future clinical trials, contrast material–enhanced ultrasound (US) o...

journal_title：Radiology

authors： Forsberg F

更新日期：2012-01-01 00:00:00

abstract：PURPOSE:To report population-based utilization rates and their variability across and within populations, geographic areas, and different payment systems for diagnostic radiology and radiation oncology procedures. MATERIALS AND METHODS:Aggregated claims data were obtained from four sources for up to nine radiologic mo...

journal_title：Radiology

authors： Burkhardt JH,Sunshine JH

更新日期：1996-07-01 00:00:00

abstract：:Percutaneous aspiration of the gallbladder was performed for nine hospitalized patients, most commonly to establish the diagnosis of acute cholecystitis and its complications in the critically ill patient or patient with sepsis. In five patients, aspiration alone was performed; in four, permanent percutaneous catheter...

journal_title：Radiology

authors： McGahan JP,Walter JP

更新日期：1985-06-01 00:00:00

abstract：:Pressure, or compressive, erosions of bone in various locations in patients with rheumatoid arthritis are described. Possible pathophysiologic mechanisms that account for the appearance and distribution of these erosions include osteopenia, soft-tissue laxity, soft-tissue pressure on bone, bone pressure on bone, and m...

journal_title：Radiology

authors： Monsees B,Destouet JM,Murphy WA,Resnick D

更新日期：1985-04-01 00:00:00

abstract：:Purpose To assess the feasibility of a magnetically assisted remote-controlled (MARC) catheter system under magnetic resonance (MR) imaging guidance for performing a simple endovascular procedure (ie, renal artery embolization) in vivo and to compare with x-ray guidance to determine the value of MR imaging guidance an...

journal_title：Radiology

authors： Lillaney PV,Yang JK,Losey AD,Martin AJ,Cooke DL,Thorne BR,Barry DC,Chu A,Stillson C,Do L,Arenson RL,Saeed M,Wilson MW,Hetts SW

更新日期：2016-10-01 00:00:00

abstract：PURPOSE:To analyze asymptomatic adnexal masses at positron emission tomography (PET) with fluorodeoxyglucose (FDG) in correlation with histopathologic findings and evaluate FDG PET for assessing malignancy in comparison with transvaginal B-mode and Doppler ultrasonography (US) and magnetic resonance (MR) imaging. MATE...

journal_title：Radiology

authors： Fenchel S,Grab D,Nuessle K,Kotzerke J,Rieber A,Kreienberg R,Brambs HJ,Reske SN

更新日期：2002-06-01 00:00:00