Glioma recurrence versus radiation necrosis? A pilot comparison of arterial spin-labeled, dynamic susceptibility contrast enhanced MRI, and FDG-PET imaging.

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to investigate the effect of perfusion computed tomography (PCT) with acetazolamide (ACZ) challenge and compare it to 10% carbon dioxide (CO(2)) challenge in rat C6 glioma. MATERIALS AND METHODS:PCT was performed on 32 rats, including 20 with orthotopically implanted ...

journal_title：Academic radiology

authors： Lu N,Di Y,Feng XY,Qiang JW,Zhang JW,Wang YG,Guo QY

更新日期：2012-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Test sets for assessing and improving radiologic image interpretation have been used for decades and typically evaluate performance relative to gold standard interpretations by experts. To assess test sets for screening mammography, a gold standard for whether a woman should be recalled for add...

journal_title：Academic radiology

authors： Onega T,Anderson ML,Miglioretti DL,Buist DS,Geller B,Bogart A,Smith RA,Sickles EA,Monsees B,Bassett L,Carney PA,Kerlikowske K,Yankaskas BC

更新日期：2013-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:No single method is generally accepted for evaluating the accuracy of breast biopsy techniques before their clinical implementation. The purpose of this study was to test a new process for evaluating biopsy techniques by using it in the evaluation of a prototype three-dimensional ultrasound (US...

journal_title：Academic radiology

authors： Smith WL,Surry KJ,Kumar A,McCurdy L,Downey DB,Fenster A

更新日期：2002-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors hypothesized that electrocardiographic triggering near end systole could minimize motion artifacts in electron-beam computed tomography (CT) of the coronary artery. MATERIALS AND METHODS:The study included 2,660 patients who underwent coronary artery calcium scanning with electron-...

journal_title：Academic radiology

authors： Mao S,Budoff MJ,Bin L,Liu SC

更新日期：2001-11-01 00:00:00

abstract：RATIONAL AND OBJECTIVES:This study aims to evaluate the diagnostic utility of breast imaging using transmission ultrasound. We present readers' accuracy in determining whether a breast lesion is a cyst versus a solid using transmission ultrasound as an adjunct to mammography. MATERIALS AND METHODS:This retrospective m...

journal_title：Academic radiology

authors： Iuanow E,Smith K,Obuchowski NA,Bullen J,Klock JC

更新日期：2017-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Hyperpolarized (3)He magnetic resonance imaging (MRI) previously revealed the temporal and spatial heterogeneity of ventilation defects in asthmatics, but these findings have not been used in treatment studies or to guide personalized therapy. Our objective was to exploit the temporal and spati...

journal_title：Academic radiology

authors： Svenningsen S,Guo F,Kirby M,Choy S,Wheatley A,McCormack DG,Parraga G

更新日期：2014-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Skeletal muscle mass measurement is the most important element for diagnosing sarcopenia. MRI has an excellent soft-tissue contrast, which can non-invasively assess abdominal skeletal muscle area (SMA) as well as CT. This study aimed to assess the validity and reliability of abdominal SMA measu...

journal_title：Academic radiology

authors： Wang FZ,Sun H,Zhou J,Sun LL,Pan SN

更新日期：2020-10-28 00:00:00

abstract：RATIONALE AND OBJECTIVES:Improvements in imaging technology have led to the increased use of computed tomography (CT). For example, micro-CT and quantitative CT (QCT) are now often used in osteoporosis research, in which micro-CT is able to analyze small bones or bone samples with high spatial resolution. In contrast, ...

journal_title：Academic radiology

authors： Sehmisch S,Dullin C,Zaroban A,Tezval M,Rack T,Schmelz U,Seidlova-Wuttke D,Dunkelberg H,Wuttke W,Marten K,Stuermer KM,Stuermer EK

更新日期：2009-04-01 00:00:00

abstract：:As ACGME (Accreditation Council for Graduate Medical Education) requirements have expanded and become increasingly more complex, so has the role of the program coordinator. Over the last decade, the knowledge and skills required to capably administer residency and fellowship training programs have increased in both vo...

journal_title：Academic radiology

authors： Stuckelman J,Zavatchen SE,Jones SA

更新日期：2017-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We evaluated the effectiveness of a fluorine-acryl-styrene-urethane-silicone (FASUS) copolymer as an antithrombogenic coating material for intravascular stents in dogs. METHODS:FASUS copolymer-coated stents were placed in the right iliac veins, and uncoated 304 stainless steel stents were plac...

journal_title：Academic radiology

authors： Matsuhashi T,Miyachi H,Ishibashi T,Sakamoto K,Yamadera A

更新日期：1996-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate the reproducibility of Modified Response Evaluation Criteria in Solid Tumors (mRECIST) for hepatocellular carcinoma (HCC) after transarterial chemoembolization (TACE) using multiphasic computed tomography. MATERIALS AND METHODS:The institutional review board approved this retrospec...

journal_title：Academic radiology

authors： Choi MH,Park GE,Oh SN,Park MY,Rha SE,Lee YJ,Jung SE,Choi JI

更新日期：2018-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate the ex vivo ablation zones created in hepatic tissue using monopolar and bipolar gas- and water-cooled radiofrequency (RF) applicators. MATERIALS AND METHODS:RF ablations were performed on ex vivo bovine liver tissue using closed circuit water-cooled and closed circuit cryogenicall...

journal_title：Academic radiology

authors： Rempp H,Mezger D,Voigtlaender M,Scharpf M,Hoffmann R,Pereira PL,Enderle MD,Claussen CD,Clasen S

更新日期：2014-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To investigate residents' knowledge of adverse effects of ionizing radiation, frequency of their education on radiation safety, and their use of radioprotective equipment. MATERIALS AND METHODS:Residents from 15/16 residency programs at Emory University were asked to complete a resident radiat...

journal_title：Academic radiology

authors： Sadigh G,Khan R,Kassin MT,Applegate KE

更新日期：2014-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To assess the diagnostic performance of magnetic resonance imaging (MRI) for targeting prostate cancer in patients with previous negative biopsies and elevated prostate-specific antigen (PSA) levels. MATERIALS AND METHODS:Pubmed, Scopus, and Cochrane Library databases were searched to identify...

journal_title：Academic radiology

authors： Zhang ZX,Yang J,Zhang CZ,Li KA,Quan QM,Wang XF,Wang H,Zhang GX

更新日期：2014-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the study was to evaluate the impact of the latest coronary computed tomography angiography (CCTA) techniques allowing a radiation- and contrast-sparing protocol on image quality in unselected patients referred for exclusion of suspected coronary artery disease (CAD). MATERIALS AND ...

journal_title：Academic radiology

authors： Benz DC,Gräni C,Hirt Moch B,Mikulicic F,Vontobel J,Fuchs TA,Stehli J,Clerc OF,Possner M,Pazhenkottil AP,Gaemperli O,Buechel RR,Kaufmann PA

更新日期：2016-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVE:The aim of the study was to survey misfiled cases in a picture archiving and communication system environment at two hospitals and to demonstrate the potential usefulness of an automated patient recognition method for posteroanterior chest radiographs based on a template-matching technique desig...

journal_title：Academic radiology

authors： Morishita J,Watanabe H,Katsuragawa S,Oda N,Sukenobu Y,Okazaki H,Nakata H,Doi K

更新日期：2005-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To assess the usefulness of classifying degree of difficulty in abnormality detection and to determine the effect of knowing the true diagnosis when selecting subtle images for observer-performance studies. MATERIALS AND METHODS:A total of 529 posteroanterior chest images that had been used in...

journal_title：Academic radiology

authors： Rockette HE,King JL,Thaete FL,Fuhrman CR,Slifko RM,Gur D

更新日期：1998-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors used magnetic resonance (MR) imaging to investigate the correlation between T2* measurements of trabecular bone and the ultimate compressive strength of lumbar porcine vertebrae. METHODS:Five pigs that weighted 25-32 kg were sacrificed and imaged with a 1.5-T MR system. T2* of the ...

journal_title：Academic radiology

authors： Brismar TB,Hindmarsh T,Ringertz H

更新日期：1997-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To determine the impact of additional coronary calcium scoring on total effective radiation dose and diagnostic accuracy of low-dose computed tomography coronary angiography (CTCA) with prospective electrocardiogram (ECG) triggering. MATERIALS AND METHODS:Sixty-one consecutive patients underwe...

journal_title：Academic radiology

authors： Husmann L,Herzog BA,Burger IA,Buechel RR,Pazhenkottil AP,von Schulthess P,Wyss CA,Gaemperli O,Landmesser U,Kaufmann PA

更新日期：2010-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Urinary calculi are now commonly detected with helical computed tomography (CT), and it has been proposed that stone composition can be determined from CT attenuation values. However, typical scans are made with a beam collimation of 5 mm or more, resulting in volume averaging and reduction in ...

journal_title：Academic radiology

authors： Williams JC Jr,Saw KC,Monga AG,Chua GT,Lingeman JE,McAteer JA

更新日期：2001-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this report is to investigate the magnetic field dependence of the signal-to-noise ratio (SNR) for carotid vessel wall magnetic resonance imaging using phased-array (PA) surface coils by comparing images obtained at 1.5 and 3 Tesla (T) and determine the extent to which the improved S...

journal_title：Academic radiology

authors： Anumula S,Song HK,Wright AC,Wehrli FW

更新日期：2005-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate clinical and imaging features associated with adequacy of the hepatocyte phase (HP) in gadoxetate disodium-enhanced liver magnetic resonance imaging (MRI) in patients without chronic liver disease (CLD). MATERIALS AND METHODS:This was a retrospective institutional review board-appr...

journal_title：Academic radiology

authors： Bashir MR,Breault SR,Braun R,Do RK,Nelson RC,Reeder SB

更新日期：2014-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Early-stage diagnosis of Parkinson's disease (PD) is essential in making decisions related to treatment and prognosis. However, there is no specific diagnostic test for the diagnosis of PD. The aim of this study was to evaluate the role of texture analysis (TA) of magnetic resonance images in d...

journal_title：Academic radiology

authors： Sikiö M,Holli KK,Harrison LC,Ruottinen H,Rossi M,Helminen MT,Ryymin P,Paalavuo R,Soimakallio S,Eskola HJ,Elovaara I,Dastidar P

更新日期：2011-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The Mammography Quality Standards Act requires practices to measure limited aspects of their performance. The authors conducted this study to calculate the differences in measurements of sensitivity and specificity due only to differences in the definitions used in the analysis. This included d...

journal_title：Academic radiology

authors： Rosenberg RD,Yankaskas BC,Hunt WC,Ballard-Barbash R,Urban N,Ernster VL,Kerlikowske K,Geller B,Carney PA,Taplin S

更新日期：2000-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Surgeons aim to restore occlusion and jaw function to baseline status for patients with mandibular fractures using either closed treatment or reduction and fixation. MATERIALS AND METHODS:Occlusion is defined as the relationship between the maxillary and mandibular teeth as they approach each ...

journal_title：Academic radiology

authors： Reiter MJ,Schwope RB,Theler JM

更新日期：2019-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To report the detection rate for lung cancers in computed tomography (CT) screening in Japanese adults, and to analyze differences in the appearance of the cancers in non-smokers versus smokers. MATERIALS AND METHODS:Subjects consisted of 7,847 Japanese adults who received low-dose CT screenin...

journal_title：Academic radiology

authors： Li F,Sone S,Abe H,MacMahon H,Doi K

更新日期：2003-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:In vivo tracking cells using gadolinium-based contrast agents have the important advantage of providing a positive contrast on T1-weighted images, which is less likely to be confused with artifacts because of postoperative local signal voids such as metal, hemorrhage, or air. The aim of this st...

journal_title：Academic radiology

authors： Shen J,Zhong XM,Duan XH,Cheng LN,Hong GB,Bi XB,Liu Y

更新日期：2009-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Breast segmentation using the U-net architecture was implemented and tested in independent validation datasets to quantify fibroglandular tissue volume in breast MRI. MATERIALS AND METHODS:Two datasets were used. The training set was MRI of 286 patients with unilateral breast cancer. The segme...

journal_title：Academic radiology

authors： Zhang Y,Chen JH,Chang KT,Park VY,Kim MJ,Chan S,Chang P,Chow D,Luk A,Kwong T,Su MY

更新日期：2019-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The authors performed this study to determine whether intrathoracic inoculation of non-small-cell lung carcinoma with fluoroscopic guidance would provide for more accurate implantation. MATERIALS AND METHODS:A tumor cell inoculum (2 x 10(6) cells per 0.15 mL) was injected percutaneously under ...

journal_title：Academic radiology

authors： Hamide JP,Qian Z,Xu H,Diethelm L,Skrepnik N,Castaneda-Zuniga WR,Hunt JD

更新日期：1997-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Emergency department (ED) patients with acute low back pain (LBP) may present with ambiguous clinical findings that pose diagnostic challenges to exclude cauda equina syndrome (CES). As a proof of concept, we aimed to determine the efficacy of a rapid lumbar spine (LS) magnetic resonance imagin...

journal_title：Academic radiology

authors： Koontz NA,Wiggins RH 3rd,Mills MK,McLaughlin MS,Pigman EC,Anzai Y,Shah LM

更新日期：2017-08-01 00:00:00