99mTc-pertechnetate thyroid scintigraphy in patients predisposed to thyroid neoplasms by prior radiotherapy to the head and neck.

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：:To assess the potential role of ultrasound (US) in evaluating transjugularly inserted intrahepatic portosystemic shunts, the authors performed sonographic, including duplex and color Doppler, studies in 23 patients. Imaging was performed before, during the first week after, and 2-3 months after shunt placement. The pr...

journal_title：Radiology

authors： Longo JM,Bilbao JI,Rousseau HP,García-Villareal L,Vinel JP,Zozaya JM,Joffre FG,Prieto J

更新日期：1993-02-01 00:00:00

abstract：PURPOSE:To retrospectively determine the frequency and severity of various abnormal laboratory test values following percutaneous cryoablation of liver tumors and to estimate the correlation between laboratory test values and tumor and ablation volumes. MATERIALS AND METHODS:This HIPAA-compliant study had institutiona...

journal_title：Radiology

authors： Nair RT,Silverman SG,Tuncali K,Obuchowski NA,vanSonnenberg E,Shankar S

更新日期：2008-07-01 00:00:00

abstract：:Californium 252 low dose rate intracavitary neutron implants combined with conventional external beam therapy for advanced pelvic tumors produced better local response than 137Cs in pelvic brachytherapy. Greater tumor regression was achieved by applying 252Cf while the maximum amount of tumor was present preceding or ...

journal_title：Radiology

authors： Maruyama Y

更新日期：1979-11-01 00:00:00

abstract：PURPOSE:To retrospectively compare the sensitivity of a computer-aided detection (CAD) system for depicting breast cancer in three digital mammographic views. MATERIALS AND METHODS:This study was conducted with institutional review board approval; informed consent was waived. A commercially available CAD system was ap...

journal_title：Radiology

authors： Kim SJ,Moon WK,Cho N,Cha JH,Kim SM,Im JG

更新日期：2006-12-01 00:00:00

abstract：:To standardize femur measurement for the identification of fetuses at risk for Down syndrome, sonographers of varying professional experience and background measured the femurs of 20 Down syndrome fetuses and 709 normal control fetuses. A regression analysis performed to compare biparietal diameter to femur length on ...

journal_title：Radiology

authors： Benacerraf BR,Cnann A,Gelman R,Laboda LA,Frigoletto FD Jr

更新日期：1989-11-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate imaging characteristics of surgically proved sublabral recesses and labral tears in the anterior portion of the acetabulum at magnetic resonance (MR) arthrography. MATERIALS AND METHODS:Institutional review board approval was obtained; informed consent was waived. The study included...

journal_title：Radiology

authors： Studler U,Kalberer F,Leunig M,Zanetti M,Hodler J,Dora C,Pfirrmann CW

更新日期：2008-12-01 00:00:00

abstract：:Digital radiographs obtained with a CT scanner were evaluated as an alternative to conventional pelvimetry. Dosimetry studies demonstrated an absorbed radiation dose of 22 mrad for each digital radiograph, approximately 3% of the dose for comparable standard radiographs. Distance measurements were accurately made on d...

journal_title：Radiology

authors： Federle MP,Cohen HA,Rosenwein MF,Brant-Zawadzki MN,Cann CE

更新日期：1982-06-01 00:00:00

abstract：:Purpose To determine if adherence to the Standards for Reporting of Diagnostic Accuracy (STARD) is associated with postpublication citation rates. Materials and Methods A comprehensive search of PubMed, EMBASE, and Cochrane Library databases was performed to identify published articles that have evaluated adherence of...

journal_title：Radiology

authors： Dilauro M,McInnes MD,Korevaar DA,van der Pol CB,Petrcich W,Walther S,Quon J,Kurowecki D,Bossuyt PM

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:To evaluate the measurement with ultrasonography (US) of the gallbladder ejection fraction after slow-infusion cholecystokinin stimulation in patients with biliary symptoms and in individuals without symptoms. MATERIALS AND METHODS:Gallbladder volumes were calculated in 60 healthy volunteers after a 30-minute ...

journal_title：Radiology

authors： Barr RG,Agnesi JN,Schaub CR

更新日期：1997-07-01 00:00:00

abstract：PURPOSE:To evaluate acute myocardial infarction by using first-pass enhancement (FPE) and delayed enhancement (DE) magnetic resonance (MR) imaging compared with thallium 201 ((201)Tl) single photon emission computed tomography (SPECT). MATERIALS AND METHODS:Contrast material-enhanced FPE MR, inversion-recovery DE MR, ...

journal_title：Radiology

authors： Lund GK,Stork A,Saeed M,Bansmann MP,Gerken JH,Müller V,Mester J,Higgins CB,Adam G,Meinertz T

更新日期：2004-07-01 00:00:00

abstract：:Background Water signal contamination is a major challenge for direct ultrashort echo time (UTE) imaging of myelin in vivo because water contributes most of the signals detected in white matter. Purpose To validate a new short repetition time (TR) adiabatic inversion recovery (STAIR) prepared UTE (STAIR-UTE) sequence ...

journal_title：Radiology

authors： Ma YJ,Jang H,Wei Z,Cai Z,Xue Y,Lee RR,Chang EY,Bydder GM,Corey-Bloom J,Du J

更新日期：2020-11-01 00:00:00

abstract：:The critical aspects of selection, acceptance testing, and quality control of a radiotherapy treatment simulator are discussed. The selection of a simulator involves consideration of: (a) motions and readouts, (b) safety features, (c) x-ray and imaging systems, and (d) mechanical tolerances (including guarantees). Whe...

journal_title：Radiology

authors： McCullough EC,Earle JD

更新日期：1979-04-01 00:00:00

abstract：:Seven patients with lung tumors underwent percutaneous implantation of iodine-125 sources into the tumor. Needle placement and seed implantation were effected with biplane fluoroscopy and a computer planning model based on computed tomography. No complications were encountered. Five of the seven patients underwent the...

journal_title：Radiology

authors： Heelan RT,Hilaris BS,Anderson LL,Nori D,Martini N,Watson RC,Caravelli JF,Linares LA

更新日期：1987-09-01 00:00:00

abstract：:Pressures were measured in the graft and the central vein during 104 consecutive angiographic examinations of failing hemodialysis grafts. Stenosis severity greater than 40% led to a statistically significant rise in graft pressure. In grafts in which all stenoses were of 40% or less severity, the systolic pressures i...

journal_title：Radiology

authors： Sullivan KL,Besarab A,Bonn J,Shapiro MJ,Gardiner GA Jr,Moritz MJ

更新日期：1993-03-01 00:00:00

abstract：:Gated radionuclide imaging with 99mTc-labeled red blood cells was employed to assess changes in right atrial (RA) volume in 17 subjects. Studies were repeated within two hours in five of 12 normal subjects and at two and ten days after infarction in five patients. Time-activity curves were generated for the RA and rig...

journal_title：Radiology

authors： Marmor A,Biello DR,Sampathkumaran KS,Geltman EM,Siegel BA,Roberts R

更新日期：1981-06-01 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

abstract：:Pilomatrixomas (calcifying epitheliomas of Malherbe) are benign soft-tissue tumors that occur in the dermis or subcutaneous tissues; about 40% are found in children under 10 years of age. More than 80% have microscopic calcification and/or ossification. Although the incidence of radiographically visible calcification ...

journal_title：Radiology

authors： Haller JO,Kassner G,Ostrowitz A,Kottmeler K,Perfschuk LP

更新日期：1977-04-01 00:00:00

abstract：:The authors reviewed 76 magnetic resonance (MR) images of 38 patients with osteosarcoma treated with preoperative chemotherapy (intraarterial cisplatin with or without systemic chemotherapy). Histologic maps of the surgical tumor specimens in 33 cases were correlated with either late-chemotherapy or postchemotherapy M...

journal_title：Radiology

authors： Pan G,Raymond AK,Carrasco CH,Wallace S,Kim EE,Shirkhoda A,Jaffe N,Murray JA,Benjamin RS

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness of positron emission tomography (PET) with carbon-11 choline in brain tumor imaging. MATERIALS AND METHODS:A rat glioma cell line (C6) was incubated with C-14 choline; the time course of uptake and metabolism was determined in vitro. C-11 choline was injected intravenously in tumo...

journal_title：Radiology

authors： Shinoura N,Nishijima M,Hara T,Haisa T,Yamamoto H,Fujii K,Mitsui I,Kosaka N,Kondo T,Hara T

更新日期：1997-02-01 00:00:00

abstract：PURPOSE:To determine the magnetic resonance (MR) imaging characteristics of endometrial polyps and the accuracy of MR imaging in distinguishing endometrial polyps from endometrial carcinomas in a case-control study. MATERIALS AND METHODS:Cross-referencing pathology records with MR studies from two institutions disclos...

journal_title：Radiology

authors： Grasel RP,Outwater EK,Siegelman ES,Capuzzi D,Parker L,Hussain SM

更新日期：2000-01-01 00:00:00

abstract：PURPOSE:To evaluate the potential use of technetium 99m (99mTc) (V) dimercaptosuccinic acid (DMSA) scintigraphy in the detection and localization of intestinal inflammation. MATERIALS AND METHODS:In a prospective study, 62 patients who were suspected of having intestinal inflammation and 30 control subjects were enrol...

journal_title：Radiology

authors： Lee BF,Chiu NT,Wu DC,Tsai KB,Liu GC,Yu HS,Wang ST

更新日期：2001-08-01 00:00:00

abstract：:Magnetic resonance (MR) images of the neck were obtained in 24 patients using a specially designed radio-frequency coil, standard and high-resolution imaging techniques, and a variety of spin echo and inversion recovery pulse sequences. Cervical vascular structures were more easily identified with MR than with CT beca...

journal_title：Radiology

authors： Stark DD,Moss AA,Gamsu G,Clark OH,Gooding GA,Webb WR

更新日期：1984-02-01 00:00:00

abstract：:A systems approach was employed to improve results of the single-contrast barium enema examination for detection of colonic polyps. Improvements were made in each of the following areas: radiographic-fluoroscopic equipment, fluoroscopic-television images, screen-film combinations, barium suspensions, examination techn...

journal_title：Radiology

authors： Gelfand DW,Chen YM,Ott DJ

更新日期：1987-08-01 00:00:00

abstract：PURPOSE:To describe our experience with stereotactic histologic biopsy in patients with breast implants. MATERIALS AND METHODS:Thirty-one (1.3%) of 2,399 consecutive lesions on which stereotactic histologic biopsy was performed were in breasts containing implants. Biopsy difficulties were evaluated for lesions in brea...

journal_title：Radiology

authors： Jackman RJ,Lamm RL

更新日期：2002-01-01 00:00:00

abstract：:Purpose To demonstrate that anti-MG1 conjugated hybrid magnetic gold nanoparticles (HNPs) act as a catalyst during photothermal ablation (PTA) of colorectal liver metastases, and thus increase ablation zones. Materials and Methods All experiments were performed with approval of the institutional animal care and use co...

journal_title：Radiology

authors： White SB,Kim DH,Guo Y,Li W,Yang Y,Chen J,Gogineni VR,Larson AC

更新日期：2017-12-01 00:00:00

abstract：:The purpose of this study was to prospectively use a whole-heart three-dimensional (3D) coronary magnetic resonance (MR) angiography technique specifically adapted for use at 3 T and a parallel imaging technique (sensitivity encoding) to evaluate coronary arterial anomalies and variants (CAAV). This HIPAA-compliant st...

journal_title：Radiology

authors： Gharib AM,Ho VB,Rosing DR,Herzka DA,Stuber M,Arai AE,Pettigrew RI

更新日期：2008-04-01 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 retrospectively determine the value of adding qualitative and quantitative axial diffusion-weighted (DW) imaging to standard spine magnetic resonance (MR) imaging to differentiate between acute osteoporotic and malignant compression fractures at 3.0 T. MATERIALS AND METHODS:The institutional ethics committe...

journal_title：Radiology

authors： Sung JK,Jee WH,Jung JY,Choi M,Lee SY,Kim YH,Ha KY,Park CK

更新日期：2014-05-01 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