Recurrent glioblastoma treated with bevacizumab: contrast-enhanced T1-weighted subtraction maps improve tumor delineation and aid prediction of survival in a multicenter clinical trial.

abstract：:Correlation between disease extent on computed tomographic (CT) scans and severity of clinical and functional impairment was obtained in 23 patients with usual interstitial pneumonia (UIP) by review of the clinical data, pulmonary function tests, chest radiographs, and CT scans. The CT scans and chest radiographs were...

journal_title：Radiology

authors： Staples CA,Müller NL,Vedal S,Abboud R,Ostrow D,Miller RR

更新日期：1987-02-01 00:00:00

abstract：:Background Normalized iodine concentration (NIC) (ratio of iodine concentration of liver to that of aorta) of liver at delayed dual-energy CT (DECT) may reflect the amount of fibrosis based on the extent of iodine uptake. Purpose To stage liver fibrosis by using 5-minute delayed DECT and compare findings with those of...

journal_title：Radiology

authors： Marri UK,Das P,Shalimar,Kalaivani M,Srivastava DN,Madhusudhan KS

更新日期：2021-01-05 00:00:00

abstract：PURPOSE:To compare the reliability of acoustic radiation force impulse (ARFI) imaging and supersonic shear imaging (SSI) in measurement of liver stiffness. MATERIALS AND METHODS:This study was approved by the institutional review board, and written informed consent was obtained for all patients. Seventy-nine patients ...

journal_title：Radiology

authors： Woo H,Lee JY,Yoon JH,Kim W,Cho B,Choi BI

更新日期：2015-12-01 00:00:00

abstract：PURPOSE:To determine the dose characteristics of multi-detector row computed tomography (CT) and to provide tabulated dose values and rules of thumb that assist in minimizing the radiation dose at multi-detector row CT. MATERIALS AND METHODS:Weighted CT dose index (CTDI100w) values were obtained from three multi-detec...

journal_title：Radiology

authors： Hamberg LM,Rhea JT,Hunter GJ,Thrall JH

更新日期：2003-03-01 00:00:00

abstract：:Primary and secondary lung malignancies are often treated with surgery. Many patients are poor surgical candidates owing to advanced age or medical comorbidities. Alternatives to surgery for localized disease include radiation therapy and the newer treatments known as image-guided thermal ablation. Image-guided therma...

journal_title：Radiology

authors： Dupuy DE

更新日期：2011-09-01 00:00:00

abstract：PURPOSE:To evaluate the characteristics and outcomes of women aged 75 years and older with mammography-detected breast cancer, an age group not represented in mammography screening effectiveness studies. MATERIALS AND METHODS:We conducted a HIPAA-compliant, prospective cohort study with waiver of informed consent in p...

journal_title：Radiology

authors： Malmgren JA,Parikh J,Atwood MK,Kaplan HG

更新日期：2014-12-01 00:00:00

abstract：:Measurements of the intensity distribution of a 60-Co beam revealed a significant field distortion caused by minor misalignment of the collimator assembly which was not detected by routine methods. Accurate monitoring of radiation intensity distribution and periodic visual inspection of collimators are suggested for ...

journal_title：Radiology

authors： Zeman GH,Rao GU,Hazra TA

更新日期：1975-07-01 00:00:00

abstract：:Real-time ultrasonography was useful in differentiating tumor from syringohydromyelia as the cause of cervical cord widening in four patients. Those with syringohydromyelia had a smooth, regular, cystic space located symmetrically in the spinal cord. Tumor appeared as an echogenic, hypoechoic, or cystic expansile lesi...

journal_title：Radiology

authors： Hutchins WW,Vogelzang RL,Neiman HL,Fuld IL,Kowal LE

更新日期：1984-04-01 00:00:00

abstract：PURPOSE:To investigate if and how computerized analysis complements characterization of breast lesions with clinical reading at magnetic resonance imaging. MATERIALS AND METHODS:The institutional review board approved the use of data obtained prospectively and analyzed either prospectively with informed patient consen...

journal_title：Radiology

authors： Deurloo EE,Muller SH,Peterse JL,Besnard AP,Gilhuijs KG

更新日期：2005-03-01 00:00:00

abstract：:To investigate the physiologic and histologic responses induced by the self-expanding endovascular prosthesis, rabbits subjected to a combination of high-cholesterol diet and intravascular trauma underwent stent implantation. The results were compared with those obtained with the placement of stents in the healthy aor...

journal_title：Radiology

authors： Rousseau H,Joffre F,Raillat C,Julian M,Pierragi MT,Chalabi F,Bouissou H

更新日期：1989-03-01 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：:Purpose To test whether MPO-Gd, an activatable molecular magnetic resonance (MR) imaging agent specific for myeloperoxidase (MPO) activity, could detect MPO activity in nonalcoholic steatohepatitis (NASH) mouse models and human liver biopsy samples. Materials and Methods In this study, 20 leptin receptor-deficient and...

journal_title：Radiology

authors： Pulli B,Wojtkiewicz G,Iwamoto Y,Ali M,Zeller MW,Bure L,Wang C,Choi Y,Masia R,Guimaraes AR,Corey KE,Chen JW

更新日期：2017-08-01 00:00:00

abstract：:The purpose of this study was to develop an automated scheme to facilitate detection of localized ground-glass opacity (GGO) in the lung at computed tomography (CT). Institutional review board approval and informed consent were not required. Two radiologists reviewed CT images from 14 patients (five men, nine women) w...

journal_title：Radiology

authors： Kim KG,Goo JM,Kim JH,Lee HJ,Min BG,Bae KT,Im JG

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:To determine the radiation dose to radiologists who perform computed tomographic (CT) fluoroscopic interventional procedures by using a quick-check method and a low-milliampere technique. MATERIALS AND METHODS:Two hundred twenty CT fluoroscopy--guided interventional procedures were performed in 189 patients. P...

journal_title：Radiology

authors： Paulson EK,Sheafor DH,Enterline DS,McAdams HP,Yoshizumi TT

更新日期：2001-07-01 00:00:00

abstract：:Medullary carcinoma of the breast is an uncommon tumor, which may mimic a benign mass at both mammography and ultrasonography (US). A total of 24 medullary carcinomas visible at mammography appeared as round or oval, noncalcified masses with varying degrees of marginal lobulation. In six of the 24 patients, US demonst...

journal_title：Radiology

authors： Meyer JE,Amin E,Lindfors KK,Lipman JC,Stomper PC,Genest D

更新日期：1989-01-01 00:00:00

abstract：:The concept of diffusion magnetic resonance (MR) imaging emerged in the mid-1980s, together with the first images of water diffusion in the human brain, as a way to probe tissue structure at a microscopic scale, although the images were acquired at a millimetric scale. Since then, diffusion MR imaging has become a pil...

journal_title：Radiology

authors： Iima M,Le Bihan D

更新日期：2016-01-01 00:00:00

abstract：:Retrospective analysis of 139 ventilation-perfusion (V/Q) lung scans obtained for suspected pulmonary embolism (PE) was undertaken, using the Biello criteria for interpretation. All scans were correlated with chest radiographs obtained within 24 hours and with pulmonary angiograms obtained within 72 hours of the V/Q s...

journal_title：Radiology

authors： Spies WG,Burstein SP,Dillehay GL,Vogelzang RL,Spies SM

更新日期：1986-05-01 00:00:00

abstract：PURPOSE:To determine the accuracy of magnetic resonance (MR) cholangiography for detection of primary sclerosing cholangitis (PSC) and localization of PSC in the biliary tract. MATERIALS AND METHODS:In a prospective case-control study involving 102 patients, the MR cholangiograms obtained in 34 patients with PSC estab...

journal_title：Radiology

authors： Fulcher AS,Turner MA,Franklin KJ,Shiffman ML,Sterling RK,Luketic VA,Sanyal AJ

更新日期：2000-04-01 00:00:00

abstract：:A percutaneous nephrostomy tract can serve both to decompress the renal pelvis and as a route for dissolving renal stones and assisting in basket retrieval of ureteral stones. These techniques are especially valuable in patients who are poor operative risks. ...

journal_title：Radiology

authors： Smith AD,Reinke DB,Miller RP,Lange PH

更新日期：1979-10-01 00:00:00

abstract：:Enemas of various solutions were administered to rats to determine if Gastrografin was specifically irritating to the colonic mucosa. Gastrografin was found to cause considerably more inflammation than Hypaque-25, or barium sulfate. Further studies with hypertonic sorbitol, Renografin-76, and Tween 80 suggested that (...

journal_title：Radiology

authors： Lutzger LG,Factor SM

更新日期：1976-03-01 00:00:00

abstract：PURPOSE:To evaluate the accuracy of transvaginal ultrasound (US) and gadolinium-enhanced magnetic resonance (MR) imaging in the assessment of the intratumoral structure of an adnexal mass. MATERIALS AND METHODS:The population comprised 82 patients with an adnexal mass who underwent both transvaginal US and gadolinium-...

journal_title：Radiology

authors： Komatsu T,Konishi I,Mandai M,Togashi K,Kawakami S,Konishi J,Mori T

更新日期：1996-01-01 00:00:00

abstract：:Two patients with cystic fibrosis and pancreatic cystosis are described who had complete replacement of the pancreas by multiple macroscopic cysts. The possible causes and clinical significance of this condition are discussed. ...

journal_title：Radiology

authors： Hernanz-Schulman M,Teele RL,Perez-Atayde A,Zollars L,Levine J,Black P,Kuligowska E

更新日期：1986-03-01 00:00:00

abstract：:The clinical and radiologic findings in 30 patients who sustained injuries to the temporomandibular joint (TMJ) were retrospectively analyzed. Imaging consisted of variable combinations of radiography, tomography, two-compartment arthrography, computed tomography, and magnetic resonance imaging and was performed 2 day...

journal_title：Radiology

authors： Schellhas KP

更新日期：1989-10-01 00:00:00

abstract：:To evaluate the efficacy of AMBER, a multiple-beam equalization system for chest radiography, the authors performed a nodule detection study using an anthropomorphic chest phantom. AMBER and conventional images were compared. The images were read by four observers, and analysis was done by means of modified receiver-o...

journal_title：Radiology

authors： Kool LJ,Busscher DL,Vlasbloem H,Hermans J,vd Merwe PC,Algra PR,Herstel W

更新日期：1988-10-01 00:00:00

abstract：:The ultrasonographic features of gastric wall lesions were studied in 40 patients and correlated with the CT findings in 14. Features diagnostic of tumor included (a) an infiltrative lesion causing thickening of the gastric wall, which can be localized or diffuse and smooth or irregular; (b) a globular mass, nodular o...

journal_title：Radiology

authors： Yeh HC,Rabinowitz JG

更新日期：1981-10-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the accuracy of magnetic resonance (MR) imaging in depicting posterior cul-de-sac obliteration in patients with endometriosis. MATERIALS AND METHODS:Institutional review board approval was not required for this retrospective study, but informed consent was obtained from all patients...

journal_title：Radiology

authors： Kataoka ML,Togashi K,Yamaoka T,Koyama T,Ueda H,Kobayashi H,Rahman M,Higuchi T,Fujii S

更新日期：2005-03-01 00:00:00

abstract：:Twenty-five infants and children with proved gastroesophageal reflux were studied by radionuclide gastroesophagography to determine its sensitivity in detecting reflux. Patients swallowed an inert radiotracer (Tc-99m sulfur colloid) and gamma camera images of the stomach and esophagus were made with and without abdomi...

journal_title：Radiology

authors： Rudd TG,Christie DL

更新日期：1979-05-01 00:00:00

abstract：:A prospective, comparative study was made of the efficacy of technetium-99m pyrophosphate (Tc PYP) and technetium-99m methylene diphosphonate (Tc MDP) in detecting soft-tissue amyloidosis. Tc PYP and Tc MDP scans were obtained within ten-day intervals in seven patients with histologically proven amyloidosis. Tc PYP wa...

journal_title：Radiology

authors： Lee VW,Caldarone AG,Falk RH,Rubinow A,Cohen AS

更新日期：1983-07-01 00:00:00

abstract：PURPOSE:To evaluate initial clinical outcomes of volumetric magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) ablation by using a one-layer strategy to treat large (>10 cm in diameter) uterine fibroids, with investigation of the correlation between effectiveness of the one-layer strategy and dynam...

journal_title：Radiology

authors： Kim YS,Kim JH,Rhim H,Lim HK,Keserci B,Bae DS,Kim BG,Lee JW,Kim TJ,Choi CH

更新日期：2012-05-01 00:00:00

abstract：PURPOSE:To determine the association of cerebral arterial anomalies and progressive cerebral arterial occlusive disease in infants with facial hemangiomas. MATERIALS AND METHODS:The cases of eight infants (seven girls and one boy) with the diagnosis of cervicofacial hemangioma and intracranial arterial anomalies were ...

journal_title：Radiology

authors： Burrows PE,Robertson RL,Mulliken JB,Beardsley DS,Chaloupka JC,Ezekowitz RA,Scott RM

更新日期：1998-06-01 00:00:00