99mTc-DTPA and 131I-hippuran findings in liver transplant recipients treated with cyclosporin A.

abstract：PURPOSE:To use Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED) II data to retrospectively determine sensitivity and specificity of ventilation-perfusion (V/Q) scintigraphic studies categorized as pulmonary embolism (PE) present or PE absent and the proportion of patients for whom these categories app...

journal_title：Radiology

authors： Sostman HD,Stein PD,Gottschalk A,Matta F,Hull R,Goodman L

更新日期：2008-03-01 00:00:00

abstract：:Purpose To evaluate the performance of three imaging methods (radiography, dual-energy x-ray absorptiometry [DXA], and quantitative computed tomography [CT]) and that of a numerical analysis with finite element modeling (FEM) in the prediction of failure load of the proximal femur and to identify the best densitometri...

journal_title：Radiology

authors： Pottecher P,Engelke K,Duchemin L,Museyko O,Moser T,Mitton D,Vicaut E,Adams J,Skalli W,Laredo JD,Bousson V

更新日期：2016-09-01 00:00:00

abstract：:Few reports have described the nature of the appearance of nonacute subdural hematoma on magnetic resonance (MR) images. The authors analyzed MR images in 39 cases of nonacute subdural hematoma and subdural effusion by measuring in vitro proton relaxation times and the biochemical variables of hematoma fluids. T1 beca...

journal_title：Radiology

authors： Ebisu T,Naruse S,Horikawa Y,Tanaka C,Higuchi T

更新日期：1989-05-01 00:00:00

abstract：:Computed tomographic (CT) colonography is a new-generation technique for detecting colorectal neoplasms by using volumetric CT data combined with specialized imaging software. Patient examinations require full colonic preparation, insufflation, and data acquisition with the patient in the supine and prone positions. C...

journal_title：Radiology

authors： Johnson CD,Dachman AH

更新日期：2000-08-01 00:00:00

abstract：:Noninvasive breast cancer comprises two distinct entities, lobular carcinoma in situ (LCIS) and ductal carcinoma in situ (DCIS). The increased use of screening mammography has caused more cases of noninvasive breast cancer to be discovered. However, the increased detection of LCIS and DCIS has posed problems in patien...

journal_title：Radiology

authors： Rebner M,Raju U

更新日期：1994-03-01 00:00:00

abstract：:The diagnosis of lumbar nerve root entrapment was made by sector computed tomography (CT) scanning in 25 patients whose myelograms were normal at the site of the CT scan abnormalities. Sector CT scanning demonstrates preoperatively which neural foramina are narrow. This information, correlated with the patient's histo...

journal_title：Radiology

authors： Risius B,Modic MT,Hardy RW Jr,Duchesneau PM,Weinstein MA

更新日期：1982-04-01 00:00:00

abstract：PURPOSE:To investigate the effect of duration and rate of contrast material injection on aortic peak time and peak enhancement in an injection protocol in which the contrast material dose is adjusted according to patient weight. MATERIALS AND METHODS:One hundred ninety-nine patients were randomly divided into three gr...

journal_title：Radiology

authors： Awai K,Hiraishi K,Hori S

更新日期：2004-01-01 00:00:00

abstract：:A review was made of 219 transcatheter vessel occlusion procedures performed over a ten-year period for control of hemorrhage, tumor palliation, or blood supply redistribution prior to intra-arterial chemotherapy. Complete angiographic success was obtained in 85% of the procedures, with partial success in 8%; complete...

journal_title：Radiology

authors： Feldman L,Greenfield AJ,Waltman AC,Novelline RA,van Breda A,Luers P,Athanasoulis CA

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness of magnetic resonance (MR) imaging for assessment of the present and extent of tumor recurrence as determined with pathologic and surgical findings. MATERIALS AND METHODS:MR findings were retrospectively examined in 37 patients with a history of cervical carcinoma. Inter- and intr...

journal_title：Radiology

authors： Weber TM,Sostman HD,Spritzer CE,Ballard RL,Meyer GA,Clark-Pearson DL,Soper JT

更新日期：1995-01-01 00:00:00

abstract：:In order to match the focal zone of the transducer with the depth of the organ, skin to pancreas distances were measured in 58 patients undergoing ultrasound studies. The measurements showed that a dynamically focused transducer would be most useful. In other cases the results of such measuring would help determine th...

journal_title：Radiology

authors： Kwa A,Bowie JD

更新日期：1980-02-01 00:00:00

abstract：:Biliary calculi of a non-Western pattern were detected in 15 patients on real-time sonography performed over a 3-year period in a center serving a predominantly "Cape colored" (mixed race) population in South Africa. In two patients definite calculi were detected only in the common bile duct or gallbladder, but there ...

journal_title：Radiology

authors： Schulman A

更新日期：1987-02-01 00:00:00

abstract：:Severe diarrhea and marked lower abdominal cramps are unusual manifestations of appendicitis. The authors performed a barium-enema examination (BE) on 9 pediatric patients who were ultimately shown to have a perforated appendix and pelvic abscesses. In 8 cases, the atypical symptoms initially led to an incorrect clini...

journal_title：Radiology

authors： Picus D,Shackelford GD

更新日期：1983-10-01 00:00:00

abstract：:Radiographs of 38 children with Down syndrome (aged 2-3 years) were retrospectively evaluated for hypoplasia of the posterior arch of the C-1 vertebra. The anteroposterior dimensions of the posterior arch of C-1 were measured and compared with those of an age- and sex-matched control group. The posterior arches of C-2...

journal_title：Radiology

authors： Martich V,Ben-Ami T,Yousefzadeh DK,Roizen NJ

更新日期：1992-04-01 00:00:00

abstract：:Various complications have been reported after insertion of the Greenfield filter. This report describes an unusual complication after suprarenal placement of this filter: spreading of the filter struts, with perforation of the inferior vena cava, and penetration of the aorta and a vertebral body, followed by fracture...

journal_title：Radiology

authors： Kim D,Porter DH,Siegel JB,Simon M

更新日期：1989-09-01 00:00:00

abstract：:Schmieder and colleagues introduced a new molecular magnetic resonance (MR) probe with a promising lipophilic gadolinium chelate complex that provides high relaxivity. Results of in vivo experiments clearly demonstrate the excellence of the probe for longitudinally monitoring α(v)β(3) integrin expression in tumors. In...

journal_title：Radiology

authors： Kiessling F

更新日期：2013-08-01 00:00:00

abstract：:A review of the sonographic findings in 17 children with non-inflammatory neck masses suggests that while ultrasound is nonspecific with regard to the differential diagnosis, it can show whether a mass is cystic, solid, or complex. Sonography is also useful in clarifying the anatomical extent of a lesion and involveme...

journal_title：Radiology

authors： Friedman AP,Haller JO,Goodman JD,Nagar H

更新日期：1983-06-01 00:00:00

abstract：PURPOSE:To determine the feasibility and accuracy of a protocol for calculating whole-organ renal perfusion (renal blood flow [RBF]) and regional perfusion on the basis of biphasic computed tomography (CT), with concurrent dynamic contrast material-enhanced (DCE) CT perfusion serving as the reference standard. MATERIA...

journal_title：Radiology

authors： Yuan X,Zhang J,Quan C,Tian Y,Li H,Ao G

更新日期：2016-04-01 00:00:00

abstract：:Systemic hyperthermia is an adjuvant method of treatment used in the management of advanced cancer; the hyperthermic state is induced by either the thermal blanket or the external blood shunt method. Strict monitoring of the cardiopulmonary status, the temperature, and the fluid balance is necessary. Chest radiographs...

journal_title：Radiology

authors： Stark P,Guthrie AM,Bull J

更新日期：1985-01-01 00:00:00

abstract：:Eight patients with aneurysms of the right ventricular outflow tract patch following tetralogy of Fallot repair were found to have residual distal obstructions. The site of such an obstruction must be carefully documented preoperatively because failure to relieve significant distal obstruction may result in recurrent ...

journal_title：Radiology

authors： Ascuitto RJ,Ross-Ascuitto NT,Markowitz RI,Kopf GS,Hellenbrand WE,Fahey JT,Kleinman CS

更新日期：1988-04-01 00:00:00

abstract：PURPOSE:To evaluate the relative benefits and cost-effectiveness of treating iliac arterial occlusive disease with various interventions. MATERIALS AND METHODS:Cost-effectiveness was analyzed in a hypothetical cohort of patients with intermittent claudication caused by an iliac arterial stenosis. Primary stent placeme...

journal_title：Radiology

authors： Bosch JL,Tetteroo E,Mali WP,Hunink MG

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:To determine the patency of Wallstents placed across the venous anastomosis of prosthetic bridge grafts after percutaneous graft recanalization. MATERIALS AND METHODS:Wallstents were placed across 26 lesions at the venous anastomosis of polytetrafluoroethylene (PTFE) grafts in 25 patients (11 men, 14 women; ag...

journal_title：Radiology

authors： Patel RI,Peck SH,Cooper SG,Epstein DM,Sofocleous CT,Schur I,Falk A

更新日期：1998-11-01 00:00:00

abstract：:The line spread function (LSF) and modulation transfer function (MTF) of 9 rare-earth screen/film systems were measured and compared with those of two fast calcium tungstate systems, using double-emulsion films sandwiched between two screens and mounted in regular cassettes. The LSFs were found to fit exponential func...

journal_title：Radiology

authors： Arnold BA,Eisenberg H,Bjärngard BE

更新日期：1976-11-01 00:00:00

abstract：:As computer networks become an integral part of the radiology practice, it is appropriate to raise concerns regarding their security. The purpose of this article is to present an overview of computer network security risks and preventive strategies as they pertain to the radiology enterprise. A number of technologies ...

journal_title：Radiology

authors： Eng J

更新日期：2001-08-01 00:00:00

abstract：:Background Mammography screening reduces breast cancer mortality, but a proportion of breast cancers are missed and are detected at later stages or develop during between-screening intervals. Purpose To develop a risk model based on negative mammograms that identifies women likely to be diagnosed with breast cancer be...

journal_title：Radiology

authors： Eriksson M,Czene K,Strand F,Zackrisson S,Lindholm P,Lång K,Förnvik D,Sartor H,Mavaddat N,Easton D,Hall P

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To measure the safety and effectiveness of conscious sedation in order to assess utilization and the effect on magnetic resonance (MR) imaging examinations. MATERIALS AND METHODS:A database of conscious sedation records for MR imaging at the Johns Hopkins Hospital, Baltimore, Md, from 1991 to 1998 was searched...

journal_title：Radiology

authors： Bluemke DA,Breiter SN

更新日期：2000-09-01 00:00:00

abstract：:Purpose To investigate whether whole-liver enhancing tumor burden [ETB] can serve as an imaging biomarker and help predict survival better than World Health Organization (WHO), Response Evaluation Criteria in Solid Tumors (RECIST), modified RECIST (mRECIST), and European Association for the Study of the Liver (EASL) m...

journal_title：Radiology

authors： Sahu S,Schernthaner R,Ardon R,Chapiro J,Zhao Y,Sohn JH,Fleckenstein F,Lin M,Geschwind JF,Duran R

更新日期：2017-06-01 00:00:00

abstract：PURPOSE:To investigate the association of 7-T magnetic resonance (MR) imaging characteristics with metastatic nodal invasion, determined with histopathologic assessment in dissected sentinel lymph nodes of breast cancer patients. MATERIALS AND METHODS:Institutional review board approval and informed consent were obtai...

journal_title：Radiology

authors： Korteweg MA,Zwanenburg JJ,Hoogduin JM,van den Bosch MA,van Diest PJ,van Hillegersberg R,Eijkemans MJ,Mali WP,Luijten PR,Veldhuis WB

更新日期：2011-10-01 00:00:00

abstract：PURPOSE:To determine the variability of apparent diffusion coefficient (ADC) values in various anatomic regions in the upper abdomen measured with magnetic resonance (MR) systems from different vendors and with different field strengths. MATERIALS AND METHODS:Ten healthy men (mean age, 36.6 years ± 7.7 [standard devia...

journal_title：Radiology

authors： Donati OF,Chong D,Nanz D,Boss A,Froehlich JM,Andres E,Seifert B,Thoeny HC

更新日期：2014-02-01 00:00:00

abstract：:Radiology chiefs at hospitals with open heart surgery programs were queried to ascertain both current and desired degrees of participation by radiologists in coronary angiography. While current participation is limited, respondents indicated a desire to achieve increased active participation. Opposition of cardiologis...

journal_title：Radiology

authors： Levin DC,Adams DF,Abrams HL

更新日期：1977-11-01 00:00:00

abstract：:Cyst formation in an infarcted bone, though rare, can be diagnosed with reasonable confidence when radiographs show an expanding lytic lesion confined by an intact but attenuated cortex. If the cortex is destroyed and a periosteal response or soft-tissue mass is present, malignant transformation should be suspected. ...

journal_title：Radiology

authors： Norman A,Steiner GC

更新日期：1983-02-01 00:00:00