Fetus and uteroplacental unit: fast MR imaging with three-dimensional reconstruction and volumetry--feasibility study.

abstract：:Purpose To inform the management of fractured inferior vena cava filters on the basis of results from a tertiary referral center specializing in complex filter retrieval. Materials and Methods This study had institutional review board approval and was HIPAA compliant. Retrospective analysis of all patients with fractu...

journal_title：Radiology

authors： Trerotola SO,Stavropoulos SW

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:To evaluate the effect of the increase in total cross-sectional area of arteries as they branch beyond the main trunks on the resistive index (RI) and early systolic acceleration (ESA). MATERIALS AND METHODS:An essentially noncompliant in vitro model that used a pulsatile pump, blood-mimicking fluid, and a bra...

journal_title：Radiology

authors： Bude RO,Rubin JM

更新日期：1999-09-01 00:00:00

abstract：:We report qualitative and quantitative evaluation and verification studies of the bipolar phase gradient modulation method for true MR imaging of internal flow and motion velocities. Velocity encoding modulations provide speed-of-motion and direction-sensitive images using special phase-sensitive reconstructions. True...

journal_title：Radiology

authors： Moran PR,Moran RA,Karstaedt N

更新日期：1985-02-01 00:00:00

abstract：:The authors evaluated the safety and efficacy of a biopsy gun for performance of image-guided percutaneous biopsy of hepatic allografts in liver transplant recipients. Two hundred fifty-two liver biopsies were performed in 58 transplant recipients over a 27-month period by using this instrument with an 18-gauge needle...

journal_title：Radiology

authors： Chezmar JL,Keith LL,Nelson RC,Plaire JC,Hertzler GL,Bernardino ME

更新日期：1991-05-01 00:00:00

abstract：:We compared the effectiveness of magnetic resonance (MR) imaging and computed tomography (CT) in evaluating sellar and juxtasellar lesions. Fifty-five lesions were imaged with a Technicare 0.5-T superconducting MR imager and GE 9800 and 8800 CT scanners: 26 pituitary adenomas (including six microadenomas), six craniop...

journal_title：Radiology

authors： Lee BC,Deck MD

更新日期：1985-10-01 00:00:00

abstract：:Magnetic resonance imaging of the pituitary gland in a patient with secondary hemochromatosis is described. On T1-weighted images, the anterior lobe had almost no signal intensity, and only the high-signal posterior lobe was seen. These findings are compatible with the distribution of iron deposition and clinical symp...

journal_title：Radiology

authors： Fujisawa I,Morikawa M,Nakano Y,Konishi J

更新日期：1988-07-01 00:00:00

abstract：:Two patients with superior vena cava syndrome (SVCS) associated with massive thrombosis were treated by means of local thrombolytic therapy and placement of modified Gianturco expandable wire stents. Treatment resulted in complete resolution of the SVCS symptoms. The combination of local thrombolytic therapy and stent...

journal_title：Radiology

authors： Putnam JS,Uchida BT,Antonovic R,Rösch J

更新日期：1988-06-01 00:00:00

abstract：PURPOSE:To determine whether intraductal perfusion with chilled saline reduces thermal injury to bile ducts during radiofrequency (RF) ablation. MATERIALS AND METHODS:In swine, anesthesia was induced and the common bile duct was surgically cannulated with a pediatric feeding tube. RF thermal lesions were created adjac...

journal_title：Radiology

authors： Raman SS,Aziz D,Chang X,Ye M,Sayre J,Lassman C,Lu DS

更新日期：2004-07-01 00:00:00

abstract：PURPOSE:To compare changes in the concentration of choline-containing compounds (tCho) and in tumor size at follow-up after neoadjuvant chemotherapy (NAC) between patients who achieved pathologic complete response (pCR) and those who did not (non-pCR). MATERIALS AND METHODS:This study was approved by the institutional...

journal_title：Radiology

authors： Baek HM,Chen JH,Nie K,Yu HJ,Bahri S,Mehta RS,Nalcioglu O,Su MY

更新日期：2009-06-01 00:00:00

abstract：PURPOSE:To correlate upper gastrointestinal study findings of the position of the duodenum and duodenal-jejunal junction in children after liver transplantation with transplant type, age at transplantation, indication for transplantation, and history of surgery or malrotation. MATERIALS AND METHODS:Upper gastrointesti...

journal_title：Radiology

authors： Benya EC,Ben-Ami TE,Whitington PF,Alonso EM,Millis JM,Yousefzadeh DK

更新日期：1998-04-01 00:00:00

abstract：:High-activity iodine-125 sources in plastic catheters were surgically placed in the cerebral white matter of healthy beagle dogs and later removed. Reference doses, calculated at a point 0.75 mm from the source, ranged from 10 to 40 Gy. Necrosis, vascular-related damage, and edema were quantified by computed tomograph...

journal_title：Radiology

authors： Turowski K,Fike JR,Cann CE,Higgins RJ,Davis RL,Gutin PH,Phillips TL,Weaver KA

更新日期：1986-03-01 00:00:00

abstract：PURPOSE:To investigate the feasibility of breast tissue characterization in terms of water, lipid, and protein contents with a spectral computed tomographic (CT) system based on a cadmium zinc telluride (CZT) photon-counting detector by using postmortem breasts. MATERIALS AND METHODS:Nineteen pairs of postmortem breas...

journal_title：Radiology

authors： Ding H,Klopfer MJ,Ducote JL,Masaki F,Molloi S

更新日期：2014-09-01 00:00:00

abstract：PURPOSE:To examine radiologists' screening performance in relation to the number of diagnostic work-ups performed after abnormal findings are discovered at screening mammography by the same radiologist or by different radiologists. MATERIALS AND METHODS:In an institutional review board-approved HIPAA-compliant study, ...

journal_title：Radiology

authors： Buist DS,Anderson ML,Smith RA,Carney PA,Miglioretti DL,Monsees BS,Sickles EA,Taplin SH,Geller BM,Yankaskas BC,Onega TL

更新日期：2014-11-01 00:00:00

abstract：:Purpose To determine whether altered sodium (Na(+)) and chloride (Cl(-)) homeostasis can be visualized in periodic paralyses by using 7-T sodium 23 ((23)Na) and chlorine 35 ((35)Cl) magnetic resonance (MR) imaging. Materials and Methods Institutional review board approval and informed consent of all participants were ...

journal_title：Radiology

authors： Weber MA,Nagel AM,Marschar AM,Glemser P,Jurkat-Rott K,Wolf MB,Ladd ME,Schlemmer HP,Kauczor HU,Lehmann-Horn F

更新日期：2016-09-01 00:00:00

abstract：:The results of percutaneous drainage of abdominal abscesses in 136 patients are analyzed, revealing a failure rate of 23% (31 patients). The mortality rate was 1.4% (two patients); the rate of serious complications was 5% (seven patients). Failure rate was lowest in critically ill patients having palliative drainage o...

journal_title：Radiology

authors： Lang EK,Springer RM,Glorioso LW 3rd,Cammarata CA

更新日期：1986-05-01 00:00:00

abstract：:"Bare sclera" excision followed by 90Sr beta irradiation has been used at Bellevue Hospital for more than 20 years as standard therapy for pterygia. Primary treatment was successful in approximately 90% of cases, and 80% of the failures were salvaged by a second course. This policy is recommended for similar patient p...

journal_title：Radiology

authors： Cooper JS

更新日期：1978-09-01 00:00:00

abstract：:When a 30-minute infusion is chosen for intravenous cholangiography, the optimal dose in subjects with normal and decreased hepatic function seems to be 0.6 ml/kg iodipamide. Delayed visualization of the ducts and gallbladder occurs in hepatic dysfunction, therefore, radiographs should be taken up to eight hours after...

journal_title：Radiology

authors： Burgener FA,Fischer HW

更新日期：1975-03-01 00:00:00

abstract：:The intracarotid amobarbital sodium, or Wada, test has been used to localize speech and memory function prior to surgical treatment of temporal lobe seizures. The authors mixed technetium-99m hexamethyl-propyleneamine oxime (HMPAO) with amobarbital sodium and injected the mixture in 25 patients with epilepsy. Single p...

journal_title：Radiology

authors： Jeffery PJ,Monsein LH,Szabo Z,Hart J,Fisher RS,Lesser RP,Debrun GM,Gordon B,Wagner HN Jr,Camargo EE

更新日期：1991-03-01 00:00:00

abstract：:A new nonionic dimeric contrast medium (CM), iodixanol, was intravenously administered to 40 healthy male volunteers in doses of 0.3-1.2 g of iodine per kilogram of body weight, nonionic monomeric iopamidol and iopentol were administered to 20 others, and the renal effects were studied up to 120 hours after administra...

journal_title：Radiology

authors： Jakobsen JA,Lundby B,Kristoffersen DT,Borch KW,Hald JK,Berg KJ

更新日期：1992-02-01 00:00:00

abstract：PURPOSE:To quantify the effects of spiral computed tomographic (CT) acquisition parameters on the magnitude of three-dimensional (3D) rippling artifacts and polyp depiction. MATERIALS AND METHODS:An in vitro colon phantom was constructed with air-filled acrylic cylinders that contained synthetic polyps of 3-13 mm. The...

journal_title：Radiology

authors： Whiting BR,McFarland EG,Brink JA

更新日期：2000-10-01 00:00:00

abstract：:Background CT deep learning reconstruction (DLR) algorithms have been developed to remove image noise. How the DLR affects image quality and radiation dose reduction has yet to be fully investigated. Purpose To investigate a DLR algorithm's dose reduction and image quality improvement for pediatric CT. Materials and M...

journal_title：Radiology

authors： Brady SL,Trout AT,Somasundaram E,Anton CG,Li Y,Dillman JR

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:To retrospectively compare the kinetic and morphologic characteristics of pure ductal carcinoma in situ (DCIS) lesions depicted on dynamic contrast material-enhanced magnetic resonance (MR) images with the nuclear grade and conventional mammographic appearance of these lesions. MATERIALS AND METHODS:This HIPAA...

journal_title：Radiology

authors： Jansen SA,Newstead GM,Abe H,Shimauchi A,Schmidt RA,Karczmar GS

更新日期：2007-12-01 00:00:00

abstract：:Duplication of intrahepatic venous channels was observed in 9 of 13 children with congenital hepatic fibrosis and portal hypertension. Portal hypertension due to other causes was not associated with venous duplication. This anomaly may be a distinctive feature of congenital hepatic fibrosis with portal hypertension. ...

journal_title：Radiology

authors： Odievre M,Chaumont P,Montagne JP,Alagille D

更新日期：1977-02-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed in 17 patients, 11-84 years of age, referred for evaluation of possible osteomyelitis involving the appendicular skeleton. MR imaging permitted successful identification of osteomyelitis in ten patients (four acute, two subacute with Brodie abscess, two chronic, and two ac...

journal_title：Radiology

authors： Tang JS,Gold RH,Bassett LW,Seeger LL

更新日期：1988-01-01 00:00:00

abstract：:The sonographic records of 27 children who underwent a Cohen ureteroneocystostomy were reviewed. In 13 children (48%) sonograms demonstrated an echogenic, nonacoustically shadowing structure at or just above the trigone that was fixed in position within the bladder wall and covered by intact mucosa. This constellation...

journal_title：Radiology

authors： Mezzacappa PM,Price AP,Kassner EG,Haller JO,Glassberg KI

更新日期：1987-12-01 00:00:00

abstract：PURPOSE:To approximate the functional relationship between invasively measured mean pulmonary arterial pressure (mPAP) and the phase-contrast magnetic resonance (MR) imaging-derived duration of vortical blood flow along the main pulmonary artery and to analyze its applicability for noninvasive diagnosis of pulmonary hy...

journal_title：Radiology

authors： Reiter G,Reiter U,Kovacs G,Olschewski H,Fuchsjäger M

更新日期：2015-04-01 00:00:00

abstract：:Extracranial duplication of the vertebral artery was demonstrated angiographically on both sides in a patient with postmeningitis hydrocephalus and in another with hemangioblastoma. Forty-six cases of this anomaly are reviewed. ...

journal_title：Radiology

authors： Kowada M,Kikuchi K

更新日期：1979-05-01 00:00:00

abstract：PURPOSE:To evaluate diagnostic performance of three nonenhanced methods: variable-refocusing-flip angle (FA) fast spin-echo (SE)-based magnetic resonance (MR) angiography (variable FA MR) and constant-refocusing-FA fast SE-based MR angiography (constant-FA MR) and flow-sensitive dephasing (FSD)-prepared steady-state fr...

journal_title：Radiology

authors： Lim RP,Fan Z,Chatterji M,Baadh A,Atanasova IP,Storey P,Kim DC,Kim S,Hodnett PA,Ahmad A,Stoffel DR,Babb JS,Adelman MA,Xu J,Li D,Lee VS

更新日期：2013-04-01 00:00:00

abstract：:Three-compartment arthrography has been advocated in the current literature for evaluation of the intrinsic ligaments of the wrist. Previous techniques for distal radioulnar joint (DRUJ) injection introduce the needle directly into the joint space. As is done in shoulder arthrography, however, the needle tip can be po...

journal_title：Radiology

authors： Lomasney LM,Cooper RA

更新日期：1996-04-01 00:00:00

abstract：PURPOSE:To measure the radiologic characteristics of subtle lung nodules and develop nodule phantoms that simulate these characteristics. MATERIALS AND METHODS:From a database of chest radiographs, 16 radiographs that showed confirmed subtle lung nodules were selected. The optical density values surrounding each nodul...

journal_title：Radiology

authors： Samei E,Flynn MJ,Eyler WR

更新日期：1997-01-01 00:00:00