Bowel wall thickening in children: differentiation with US.

abstract：:Percutaneous excimer laser angioplasty is dependent on a reliable and effective energy transmission through fiberoptic devices. Compared with bare fibers, ring catheters provide improved flexibility and a central channel for insertion of guide wires. Peripheral laser catheters (7-9 F) were used in 32 patients with art...

journal_title：Radiology

authors： Duda SH,Karsch KR,Haase KK,Huppert PE,Claussen CD

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:To investigate the effect of different iodine concentrations of contrast material on aortic and hepatic enhancement and the detectability of hypervascular hepatocellular carcinoma (HCC) with multi-detector row computed tomography (CT) and a uniphasic contrast material injection technique. MATERIALS AND METHODS...

journal_title：Radiology

authors： Awai K,Takada K,Onishi H,Hori S

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:To assess the anatomic development of native arteriovenous fistula (AVF) during the first 6 weeks after creation by using ultrasonographic (US) measurements in a multicenter hemodialysis fistula maturation study. MATERIALS AND METHODS:Each institutional review board approved the prospective study protocol, and...

journal_title：Radiology

authors： Robbin ML,Greene T,Cheung AK,Allon M,Berceli SA,Kaufman JS,Allen M,Imrey PB,Radeva MK,Shiu YT,Umphrey HR,Young CJ,Hemodialysis Fistula Maturation Study Group.

更新日期：2016-05-01 00:00:00

abstract：:Human white matter fiber crossings were investigated with use of the full eigenstructure of the magnetic resonance diffusion tensor. Intravoxel fiber dispersions were characterized by the plane spanned by the major and medium eigenvectors and depicted with three-dimensional graphics. This method improves the analysis ...

journal_title：Radiology

authors： Wiegell MR,Larsson HB,Wedeen VJ

更新日期：2000-12-01 00:00:00

abstract：PURPOSE:To retrospectively assess virtual autopsy performed with multidetector computed tomography (CT) for the forensic evaluation of gunshot wound victims. MATERIALS AND METHODS:The institutional review board approved this HIPAA-compliant study and did not require informed consent of the next of kin. Thirteen consec...

journal_title：Radiology

authors： Levy AD,Abbott RM,Mallak CT,Getz JM,Harcke HT,Champion HR,Pearse LA

更新日期：2006-08-01 00:00:00

abstract：:Computed tomography (CT) is the modality of choice for evaluation of pancreatic disease. In this prospective study, images obtained with spiral CT, which enables examination of a region of the body in a single breath-hold, were compared with those obtained by means of dynamic CT with automatic table incrementation in ...

journal_title：Radiology

authors： Dupuy DE,Costello P,Ecker CP

更新日期：1992-06-01 00:00:00

abstract：:Extracranial applications of diffusion-weighted (DW) magnetic resonance (MR) imaging are gaining increasing importance, including in head and neck radiology. The main indications for performing DW imaging in this relatively small but challenging region of the body are tissue characterization, nodal staging, therapy mo...

journal_title：Radiology

authors： Thoeny HC,De Keyzer F,King AD

更新日期：2012-04-01 00:00:00

abstract：PURPOSE:To investigate the utility of a free-breathing ultrashort echo time (UTE) sequence for the evaluation of small pulmonary nodules in oncology patients by using a hybrid positron emission tomography (PET)/magnetic resonance (MR) imaging system and to compare the nodule detection rate between UTE and a conventiona...

journal_title：Radiology

authors： Burris NS,Johnson KM,Larson PE,Hope MD,Nagle SK,Behr SC,Hope TA

更新日期：2016-01-01 00:00:00

abstract：:Twelve patients with symptoms of acute cholecystitis underwent heavily T2-weighted and mangafodipir trisodium-enhanced T1-weighted magnetic resonance (MR) cholangiography and cholescintigraphy before they underwent cholecystectomy. On T2-weighted MR cholangiographic images, morphologic evidence of outflow obstruction ...

journal_title：Radiology

authors： Kim KW,Park MS,Yu JS,Chung JP,Ryu YH,Lee SI,Lee KS,Yoon SW,Lee KH

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:To test the hypothesis that computed tomographic (CT) scanning during early rather than middle diastole can significantly reduce the interscan variability of coronary artery calcium (CAC) scores. MATERIALS AND METHODS:Five hundred thirty-eight patients were initially enrolled; 282 of them were found to have CA...

journal_title：Radiology

authors： Mao S,Bakhsheshi H,Lu B,Liu SC,Oudiz RJ,Budoff MJ

更新日期：2001-09-01 00:00:00

abstract：:Otosclerosis (otospongiosis) is a primary focal disease of the labyrinthine capsule. The stapes footplate is fixed when the spongiotic focus expands and invades the oval window. Persons with stapedial otosclerosis experience a progressive conductive hearing loss. In many cases, cochlear degeneration is observed, in wh...

journal_title：Radiology

authors： Mafee MF,Henrikson GC,Deitch RL,Norouzi P,Kumar A,Kriz R,Valvassori GE

更新日期：1985-09-01 00:00:00

abstract：:Five hundred celiac angiograms were reviewed to evaluate the frequency of clinically significant variations in the origin of the left gastric artery. In 13 of 500 cases, the left gastric artery arose anomalously most often as a direct branch of the aorta; in 14 of 500 cases, the left gastric artery primarily supplied ...

journal_title：Radiology

authors： Naidich JB,Naidich TP,Sprayregen S,Hyman RA,Pudlowski RM,Stein HL

更新日期：1978-03-01 00:00:00

abstract：:A retrospective review of 39 cases of hypochondroplasia revealed consistent but variable degrees of clinical and radiological features sufficient to allow differentiation from other well-established metaphyseal chondrodysplasias. Macrocephaly was noted in approximately half the cases. This contradicts a finding of nor...

journal_title：Radiology

authors： Hall BD,Spranger J

更新日期：1979-10-01 00:00:00

abstract：PURPOSE:To determine whether the combination of CT during arterial portography (CTAP) and CT hepatic arteriography (CTHA) provides an added benefit to triple-phase helical CT (THCT) alone in the preoperative evaluation of hepatocellular carcinoma (HCC). MATERIALS AND METHODS:Fifty-two consecutive patients with patholo...

journal_title：Radiology

authors： Jang HJ,Lim JH,Lee SJ,Park CK,Park HS,Do YS

更新日期：2000-05-01 00:00:00

abstract：:Purpose To investigate whether nonhemodynamic resonant saturation effects can be detected in patients with focal epilepsy by using a phase-cycled stimulus-induced rotary saturation (PC-SIRS) approach with spin-lock (SL) preparation and whether they colocalize with the seizure onset zone and surface interictal epilepti...

journal_title：Radiology

authors： Kiefer C,Abela E,Schindler K,Wiest R

更新日期：2016-07-01 00:00:00

abstract：:Vessel rupture complicating transluminal angioplasty is an uncommon event, especially in the renal artery. The authors report such a case, which was treated with immediate balloon tamponade and did not require surgical intervention. Possible causes and appropriate management are discussed, as well as the need for repo...

journal_title：Radiology

authors： Ashenburg RJ,Blair RJ,Rivera FJ,Weigele JB

更新日期：1990-03-01 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：:The authors reviewed 100 randomized controlled trials (RCTs) conducted in humans to compare safety or efficacy of new low-osmolality contrast media (LOM) with that of high-osmolality contrast media (HOM). Findings of the 43 RCTs judged to be of the highest quality suggest that the efficacy of LOM in imaging is equal o...

journal_title：Radiology

authors： Kinnison ML,Powe NR,Steinberg EP

更新日期：1989-02-01 00:00:00

abstract：:Acute clinically significant hemobilia occurred after percutaneous transhepatic biliary drainage. Investigations revealed a fistula between a peripheral bile duct and a branch of the portal vein. Hemostasis was obtained by balloon tamponade at the site of the fistula. ...

journal_title：Radiology

authors： Sniderman KW,Morse SS,Rapoport S,Ross GR

更新日期：1985-03-01 00:00:00

abstract：PURPOSE:To evaluate major geometric variations in multiple intracavitary applications for carcinoma of the cervix. MATERIALS AND METHODS:Orthogonal radiographs were reviewed of 17 consecutive patients with carcinoma of the cervix treated with 70 applications of high-dose-rate brachytherapy. In seven patients, consciou...

journal_title：Radiology

authors： Kim RY,Meyer JT,Plott WE,Spencer SA,Meredith RF,Jennelle RL,Salter MM

更新日期：1995-05-01 00:00:00

abstract：PURPOSE:To estimate the fraction of moving blood in tissue with power Doppler ultrasound (US). MATERIALS AND METHODS:Power Doppler US measurements of moving scatterers in a flow tube were made as a function of successive dilutions of the perfusate. Measurements were normalized relative to the maximum Doppler power in ...

journal_title：Radiology

authors： Rubin JM,Adler RS,Fowlkes JB,Spratt S,Pallister JE,Chen JF,Carson PL

更新日期：1995-10-01 00:00:00

abstract：PURPOSE:To determine the incidence of a "stuck" disk and its importance in the overall scheme of internal derangement. MATERIALS AND METHODS:Magnetic resonance (MR) images of 212 temporomandibular joints (TMJs) in 106 symptomatic patients were obtained and reviewed. Image analysis included assessment of disk position;...

journal_title：Radiology

authors： Rao VM,Liem MD,Farole A,Razek AA

更新日期：1993-12-01 00:00:00

abstract：:Ten percent of children with biliary atresia have an associated complex of anomalies, including polysplenia, azygous continuation of the inferior vena cava, preduodenal portal vein, hepatic arterial anomalies, and bilaterally bilobed lungs. These abnormalities will not be detected if the preoperative workup is limited...

journal_title：Radiology

authors： Abramson SJ,Berdon WE,Altman RP,Amodio JB,Levy J

更新日期：1987-05-01 00:00:00

abstract：:Purpose To estimate the risk of cataract in a cohort of nuclear medicine (NM) radiologic technologists on the basis of their work histories and radiation protection practices. Materials and Methods In the years 2003-2005 and 2012-2013, 42 545 radiologic technologists from a U.S. prospective study completed questionnai...

journal_title：Radiology

authors： Bernier MO,Journy N,Villoing D,Doody MM,Alexander BH,Linet MS,Kitahara CM

更新日期：2018-02-01 00:00:00

abstract：PURPOSE:To retrospectively determine if the use of a computer-aided detection (CAD) system can improve the performance of single reading of screening mammograms to match that of double reading in the United Kingdom. MATERIALS AND METHODS:Local research ethics committee approval was obtained; informed consent was not r...

journal_title：Radiology

authors： Gilbert FJ,Astley SM,McGee MA,Gillan MG,Boggis CR,Griffiths PM,Duffy SW

更新日期：2006-10-01 00:00:00

abstract：:Seven patients who had spinal interspace infections underwent clinical, laboratory, and radiographic examinations, and findings are reported. Lytic fragmentation of adjacent vertebral bodies is a characteristic appearance on CT scans. Sagittal-coronal reformations confirm the end-plate irregularity and establish the d...

journal_title：Radiology

authors： Price AC,Allen JH,Eggers FM,Shaff MI,James AE Jr

更新日期：1983-12-01 00:00:00

abstract：:Krypton-81m, an inert, radioactive gas with a physical half-life of 13 seconds was used to evaluate regional lung ventilation in 25 pediatric patients. The results suggest that Kr-81m has several advantages over previous methods employing xenon-133. These include: more favorable physical characteristics for imaging wi...

journal_title：Radiology

authors： Li DK,Treves S,Heyman S,Kirkpatrick JA Jr,Lambrecht RM,Ruth TJ,Wolf AP

更新日期：1979-03-01 00:00:00

abstract：:Clinical, pathologic, and computed tomographic (CT) findings were reviewed in 400 patients with ethmoid sinus disease, including 272 who had undergone surgery. The postoperative appearance of ethmoid sinuses on CT scans is a highly neglected subject in radiologic literature. The unique ethmoid anatomy permits a variet...

journal_title：Radiology

authors： Som PM,Lawson W,Biller HF,Lanzieri CF

更新日期：1986-06-01 00:00:00

abstract：:A movable carriage was designed and built for a Franklin film changer to facilitate routine serial 2 times magnification. This simple device permits magnification angiography without major equipment purchases or room alterations. ...

journal_title：Radiology

authors： Spitzer RM,Olsson HE,Gibson BJ

更新日期：1975-11-01 00:00:00

abstract：PURPOSE:To determine the correlation between the degree of plaque enhancement with contrast agent microbubbles and clinical symptoms in patients with carotid atherosclerotic plaque. MATERIALS AND METHODS:The study was approved by the hospital ethical committee, and informed consent was obtained from all patients. One ...

journal_title：Radiology

authors： Xiong L,Deng YB,Zhu Y,Liu YN,Bi XJ

更新日期：2009-05-01 00:00:00