Differentiation of recurrent glioblastoma multiforme from radiation necrosis after external beam radiation therapy with dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging.

abstract：PURPOSE:To describe the gray-scale and color and duplex Doppler ultrasound (US) and the magnetic resonance (MR) imaging features of uterine arteriovenous malformations (AVMs). MATERIALS AND METHODS:Uterine AVMs in 10 patients were retrospectively evaluated. All patients underwent gray-scale US and color and duplex Dop...

journal_title：Radiology

authors： Huang MW,Muradali D,Thurston WA,Burns PN,Wilson SR

更新日期：1998-01-01 00:00:00

abstract：:The purpose of this study, which was approved by the institutional review board, was to assess the differentiation of individuals with from those without mesenteric ischemia. All subjects provided written informed consent. Six healthy volunteers and six patients with documented chronic mesenteric ischemia underwent ma...

journal_title：Radiology

authors： Lauenstein TC,Ajaj W,Narin B,Göhde SC,Kröger K,Debatin JF,Rühm SG

更新日期：2005-02-01 00:00:00

abstract：PURPOSE:To compare 1.5- and 3.0-T magnetic resonance (MR) images of porcine knee specimens containing artificial cartilage lesions in terms of accuracy of lesion depiction, image quality, and signal-to-noise ratio (SNR). MATERIALS AND METHODS:This Health Insurance Portability and Accountability Act-compliant study had...

journal_title：Radiology

authors： Masi JN,Sell CA,Phan C,Han E,Newitt D,Steinbach L,Majumdar S,Link TM

更新日期：2005-07-01 00:00:00

abstract：PURPOSE:To retrospectively determine the accuracy of endorectal magnetic resonance (MR) imaging in demonstrating seminal vesicle invasion (SVI) and to investigate the MR imaging features that can predict SVI. MATERIALS AND METHODS:The Institutional Review Board granted exempt status for this retrospective study, with ...

journal_title：Radiology

authors： Sala E,Akin O,Moskowitz CS,Eisenberg HF,Kuroiwa K,Ishill NM,Rajashanker B,Scardino PT,Hricak H

更新日期：2006-03-01 00:00:00

abstract：PURPOSE:To assess the reproducibility of the magnetic resonance (MR) estimate of blood oxygen saturation (sO(2)) in the rat brain, to evaluate the relationship between low MR estimate of sO(2) values and tissue hypoxia in a hypoxic and necrotic glioscarcoma model (9L gliosarcoma cells), and to evaluate the capability o...

journal_title：Radiology

authors： Lemasson B,Christen T,Serduc R,Maisin C,Bouchet A,Le Duc G,Rémy C,Barbier EL

更新日期：2012-12-01 00:00:00

abstract：:An unusual case of unintentional release of a spring coil into the superior mesenteric artery is reported. The coil migrated distally into the ileocolic artery, and the situation was successfully resolved by retrieval of the coil with grasping forceps. ...

journal_title：Radiology

authors： Vujic I,Moore L,McWey RE

更新日期：1986-08-01 00:00:00

abstract：:The Quantitative Imaging Biomarkers Alliance (QIBA) Profile for fluorodeoxyglucose (FDG) PET/CT imaging was created by QIBA to both characterize and reduce the variability of standardized uptake values (SUVs). The Profile provides two complementary claims on the precision of SUV measurements. First, tumor glycolytic a...

journal_title：Radiology

authors： Kinahan PE,Perlman ES,Sunderland JJ,Subramaniam R,Wollenweber SD,Turkington TG,Lodge MA,Boellaard R,Obuchowski NA,Wahl RL

更新日期：2020-03-01 00:00:00

abstract：PURPOSE:To determine the effect of the interpretation of plain chest radiographs on the time to definitive diagnosis of aortic dissection. MATERIALS AND METHODS:The authors evaluated chest radiographs from 75 patients in whom chest radiography was performed before aortic dissection was diagnosed. The radiographs and a...

journal_title：Radiology

authors： Luker GD,Glazer HS,Eagar G,Gutierrez FR,Sagel SS

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness, cost, and cost-effectiveness of using renal mass biopsy to guide treatment decisions for small incidentally detected renal tumors. MATERIALS AND METHODS:A decision-analytic Markov model was developed to estimate life expectancy and lifetime costs for patients with small (< or = 4...

journal_title：Radiology

authors： Pandharipande PV,Gervais DA,Hartman RI,Harisinghani MG,Feldman AS,Mueller PR,Gazelle GS

更新日期：2010-09-01 00:00:00

abstract：:Evidence-based radiology (EBR) is an important tool for the practice of radiology. The user of the EBR approach identifies evidence in a systematic fashion and then assimilates information through in-depth, explicit critical review of the best-designed and most recent literature on the subject in question. Clinical de...

journal_title：Radiology

authors： Medina LS,Blackmore CC

更新日期：2007-08-01 00:00:00

abstract：:The right paratracheal stripe (RPS) is seen on postero-anterior chest radiographs as a thin, water-density stripe between the air column of the trachea and the adjacent right lung. The range of width of the RPS in 1,259 normal subjects was 1 to 4 mm. An RPS width of 5 mm or more is reliable evidence of disease. The di...

journal_title：Radiology

authors： Savoca CJ,Austin JH,Goldberg HI

更新日期：1977-02-01 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：:Of 210 pathologically confirmed palpable breast masses examined by continuous ultrasound B-scanning using a 2.5- or 7-MHz transducer and mammography, fluid filled cysts more than 1 cm in diameter were diagnosed accurately in 75 cases. Of the 103 solid masses studied by echography, 31 were circumscribed (29 benign fibr...

journal_title：Radiology

authors： Cole-Beuglet C,Beique RA

更新日期：1975-10-01 00:00:00

abstract：:Magnetic resonance images of cranial bone marrow in 238 patients (246 examinations) less than 25 years old were reviewed to establish normal age-related standards. Bone marrow in the clivus and calvaria had uniformly low signal intensity (grade 1) on T1-weighted images in most infants less than 1 year old. The number ...

journal_title：Radiology

authors： Okada Y,Aoki S,Barkovich AJ,Nishimura K,Norman D,Kjos BO,Brasch RC

更新日期：1989-04-01 00:00:00

abstract：:The chronically dislocated hip of a 15-month-old girl was studied postmortem. The cartilaginous components of the pelvis (both true and false acetabula) and proximal femur were demonstrated roentgenographically and correlated with gross anatomical observations. These findings should be useful in the interpretation of ...

journal_title：Radiology

authors： Ogden JA,Jensen PS

更新日期：1976-04-01 00:00:00

abstract：:Purpose To evaluate the diagnostic accuracy of the quantitative parameter standardized uptake value (SUV) at single photon emission computed tomography (SPECT)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). Materials and Methods This study was approved by the institutional...

journal_title：Radiology

authors： Suh MS,Lee WW,Kim YK,Yun PY,Kim SE

更新日期：2016-09-01 00:00:00

abstract：:A patent umbilical vein was demonstrated via ultrasound in a patient with portal hypertension. Ultrasonographic differential diagnosis of intra- and juxta-hepatic veins is given, with emphasis on real time ultrasonography. ...

journal_title：Radiology

authors： Weill F

更新日期：1976-07-01 00:00:00

abstract：PURPOSE:To explore the ability of whole-body 7.0-T magnetic resonance (MR) imaging to depict differences in aspects of the cerebral cortex of postmortem human brain specimens with cerebral amyloid beta deposition in connection with Alzheimer disease (AD), Down syndrome, or sporadic or hereditary cerebral amyloid angiop...

journal_title：Radiology

authors： van Rooden S,Maat-Schieman ML,Nabuurs RJ,van der Weerd L,van Duijn S,van Duinen SG,Natté R,van Buchem MA,van der Grond J

更新日期：2009-12-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate interobserver variability between breast radiologists by using terminology of the fourth edition of the Breast Imaging Reporting and Data System (BI-RADS) to categorize lesions on mammograms and sonograms and to retrospectively determine the positive predictive value (PPV) of BI-RADS...

journal_title：Radiology

authors： Lazarus E,Mainiero MB,Schepps B,Koelliker SL,Livingston LS

更新日期：2006-05-01 00:00:00

abstract：:Normal menisci may show transient distortion during knee arthrography. This usually results from intermittent visualization of the meniscus out of direct profile to the x-ray beam. Similar transient distortion may result from actual buckling of an anatomically normal meniscus during stressful maneuvers in young indivi...

journal_title：Radiology

authors： Hall FM

更新日期：1978-01-01 00:00:00

abstract：:Six commercially available movable core guide wires were compared with each other and with a new design in glass models simulating tortuous vessels. The results demonstrate a wide variability in performance of the commercially available wires and the superiority of the new design. ...

journal_title：Radiology

authors： Smith TP,Derauf BJ,Darcy MD,Hunter DW,Castaneda-Zuniga WR,Amplatz K

更新日期：1986-05-01 00:00:00

abstract：PURPOSE:To evaluate the effect of in utero exposure to a single dose of water-soluble intravenous iodinated contrast medium on thyroid function at birth. MATERIALS AND METHODS:This study was approved by the institutional review board, with waiver of consent, and was HIPAA compliant. Maternal and newborn records were r...

journal_title：Radiology

authors： Bourjeily G,Chalhoub M,Phornphutkul C,Alleyne TC,Woodfield CA,Chen KK

更新日期：2010-09-01 00:00:00

abstract：PURPOSE:To retrospectively determine whether blood oxygen level-dependent functional magnetic resonance (MR) imaging can aid prediction of postoperative memory changes in epileptic patients after temporal lobe surgery. MATERIALS AND METHODS:This study was approved by the local ethics committee, and informed consent wa...

journal_title：Radiology

authors： Dupont S,Duron E,Samson S,Denos M,Volle E,Delmaire C,Navarro V,Chiras J,Lehéricy S,Samson Y,Baulac M

更新日期：2010-04-01 00:00:00

abstract：PURPOSE:To examine the feasibility and safety of magnetic resonance (MR)-guided biopsy by using a transgluteal approach in patients with suspicious prostate lesions by using an MR-compatible robotic system and a 1.5-T MR system. MATERIALS AND METHODS:The study was approved by the institutional review board of Universi...

journal_title：Radiology

authors： Zangos S,Melzer A,Eichler K,Sadighi C,Thalhammer A,Bodelle B,Wolf R,Gruber-Rouh T,Proschek D,Hammerstingl R,Müller C,Mack MG,Vogl TJ

更新日期：2011-06-01 00:00:00

abstract：PURPOSE:To describe a program for controlling intravenous use of low-osmolar contrast agents (LOCAs). MATERIALS AND METHODS:The department of radiology at the authors' institution adopted a policy of selective use of intravenously administered LOCAs. Clinical indications for LOCA use were specified after consultation ...

journal_title：Radiology

authors： Levin DC,Gardiner GA Jr,Karasick S,Shaber GS,Wechsler RJ,McArdle GH,Lockard CD,Harford RJ

更新日期：1993-12-01 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：:Growth deformities of the distal femur and unusual gait disturbances were observed in four girls who had had neonatal osteomyelitis and septic arthritis. In each case apparent absence or hypoplasia of one of the femoral condyles, as seen on plain radiographs, was associated with marked genu varum or genu valgum. Arthr...

journal_title：Radiology

authors： Singson RD,Berdon WE,Feldman F,Denton JR,Abramson S,Baker DH

更新日期：1986-11-01 00:00:00

abstract：:The diagnosis of seminal vesicle invasion by prostatic carcinoma is based on observation of foci of relatively decreased signal intensity on T2-weighted magnetic resonance (MR) images. Similar findings were observed in the absence of tumor invasion in nine patients who had recently undergone prostatic needle biopsy. N...

journal_title：Radiology

authors： Mirowitz SA

更新日期：1992-11-01 00:00:00

abstract：:Positive-mode xeroradiography is an excellent method of visualizing soft-tissue structures in mammography and other procedures; however, toner deletions over a large area may preclude adequate delineation of the soft tissues near high-density structures such as bone. Use of the negative mode in the development cycle p...

journal_title：Radiology

authors： Osterman FA Jr,Zeman GH,Rao GU,Gayler B,Kirk BG,James AE Jr

更新日期：1977-09-01 00:00:00

abstract：PURPOSE:To (a) demonstrate an image-processing method that can automatically measure the power Doppler signal in a three-dimensional ( 3D three-dimensional ) ultrasonographic (US) volume by using the location of organs within the image and (b) compare 3D three-dimensional fractional moving blood volume ( FMBV fractiona...

journal_title：Radiology

authors： Stevenson GN,Collins SL,Welsh AW,Impey LW,Noble JA

更新日期：2015-01-01 00:00:00