Impact of COVID-19 Workflow Changes on Patient Throughput at Outpatient Imaging Centers.

abstract：RATIONALE AND OBJECTIVES:Inguinal lymph nodes can be the first or the only clinical signs of tumor metastases. The aim of the study was to evaluate the role of contrast-enhanced high-resolution magnetic resonance (MR) lymphangiography in diagnosis of inguinal lymph node metastases. MATERIALS AND METHODS:The study enro...

journal_title：Academic radiology

authors： Liu N,Yan Z,Lu Q,Wang C

更新日期：2013-02-01 00:00:00

abstract：RATIONAL AND OBJECTIVES:Computer-aided detection (CAD) systems are intended to improve performance. This study investigates how CAD might actually interfere with a visual search task. This is a laboratory study with implications for clinical use of CAD. METHODS:Forty-seven naive observers in two studies were asked to ...

journal_title：Academic radiology

authors： Drew T,Cunningham C,Wolfe JM

更新日期：2012-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Comprehensive training in cardiac imaging during radiology residency is imperative if radiologists are to maintain a significant role in this rapidly growing field. In this study, radiology chief residents were surveyed to assess the current status of cardiac imaging training in radiology resid...

journal_title：Academic radiology

authors： Minocha J,Yaghmai V,Hammond N,Pyrros AT,Nikolaidis P

更新日期：2010-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:This study was performed to evaluate the feasibility of using a joystick-controlled robotic needle driver to place a 22-gauge needle for nerve and facet blocks. MATERIALS AND METHODS:Biplane fluoroscopy and a robotic needle driver were used to place 12 needles into the lumbar paraspinal region...

journal_title：Academic radiology

authors： Cleary K,Stoianovici D,Patriciu A,Mazilu D,Lindisch D,Watson V

更新日期：2002-07-01 00:00:00

abstract：:The National Cancer Institute organized a workshop entitled "Image Archive Management" that was presented on August 28 and 29, 2000, at the Natcher Conference Center on the National Institutes of Health (NIH) campus. The purpose of this workshop was to solicit expert input for the planned development of an archival sy...

journal_title：Academic radiology

authors： Staab E,Clarke LP,Baker H,Sullivan D

更新日期：2001-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Positron emission tomography (PET) is used to evaluate response to therapy with increasing interest in having PET provide endpoints for clinical trials. Here we demonstrate impacts of PET measurement error and choice of quantification method on clinical trial design. MATERIALS AND METHODS:Samp...

journal_title：Academic radiology

authors： Doot RK,Kurland BF,Kinahan PE,Mankoff DA

更新日期：2012-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The goal of this article is to analyze and compare the performance of a developed mass computer-aided detection (CAD) system that takes breast density information into account when using manual or automatic breast density annotations in the training step. The advantages of considering this brea...

journal_title：Academic radiology

authors： Oliver A,Lladó X,Freixenet J,Martí R,Pérez E,Pont J,Zwiggelaar R

更新日期：2010-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to develop and test new assistive devices to aid in the performance of safe, easy, and accurate microwave thermocoagulation therapy guided by magnetic resonance (MR) imaging. MATERIALS AND METHODS:An open-configuration MR imager with an optical tracking system for...

journal_title：Academic radiology

authors： Morikawa S,Inubushi T,Kurumi Y,Naka S,Sato K,Tani T,Haque HA,Tokuda J,Hata N

更新日期：2003-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study is to assess the usefulness of computer-aided three-dimensional (3D) measurement of volume and computed tomography (CT) attenuation values of nodes for diagnosing nodal metastases of lung cancer. MATERIALS AND METHODS:We measured three diameters, their ratios, volume, and...

journal_title：Academic radiology

authors： Takahashi Y,Takashima S,Hakucho T,Miyake C,Morimoto D,Jiang BH,Numasaki H,Tomita Y,Nakanishi K,Higashiyama M

更新日期：2013-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The objective of this study was to develop and quantitatively evaluate a radiology-pathology fusion method for spatially mapping tissue regions corresponding to different chemoradiation therapy-related effects from surgically excised whole-mount rectal cancer histopathology onto preoperative ma...

journal_title：Academic radiology

authors： Antunes J,Viswanath S,Brady JT,Crawshaw B,Ros P,Steele S,Delaney CP,Paspulati R,Willis J,Madabhushi A

更新日期：2018-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to compare the performance of various image-based metrics computed from thoracic high-resolution computed tomography (HRCT) with data from pulmonary function testing (PFT) in characterizing interstitial lung disease (ILD) and chronic obstructive pulmonary disease (COPD...

journal_title：Academic radiology

authors： Song G,Mortani Barbosa E Jr,Tustison N,Gefter WB,Kreider M,Gee JC,Torigian DA

更新日期：2012-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:This study aimed to determine whether uterine leiomyoma can be distinguished from uterine leiomyosarcoma on ultrasound (US), computed tomography (CT), and/or magnetic resonance imaging (MRI) without diffusion-weighted imaging. MATERIALS AND METHODS:Institutional review board approval was obtai...

journal_title：Academic radiology

authors： Gaetke-Udager K,McLean K,Sciallis AP,Alves T,Maturen KE,Mervak BM,Moore AG,Wasnik AP,Erba J,Davenport MS

更新日期：2016-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To quantify the relationship between dose of contrast administered and contrast kinetics of malignant breast lesions. MATERIALS AND METHODS:A total of 108 patients with 120 malignant lesions were selected for an institutional review board-approved review. Dynamic magnetic resonance protocol: o...

journal_title：Academic radiology

authors： Jansen SA,Fan X,Yang C,Shimauchi A,Karczmar G,Newstead GM

更新日期：2010-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Amphiphilic biocompatible polyoxyethylene (PEO)-based polymers form particles (micelles) that are 10-50 nm in diameter. In the current research, we successfully incorporated amphiphilic indium-111 (111In) and gadolinium chelates into these particles and used them as particulate contrast media i...

journal_title：Academic radiology

authors： Trubetskoy VS,Frank-Kamenetsky MD,Whiteman KR,Wolf GL,Torchilin VP

更新日期：1996-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To document the frequency of normal and anomalous drainage patterns of the pulmonary veins, and to establish normal values for pulmonary vein ostial diameters, and distance to first bifurcation using multidetector computed tomography, as pertinent to ablation procedures for atrial fibrillation....

journal_title：Academic radiology

authors： Cronin P,Kelly AM,Desjardins B,Patel S,Gross BH,Kazerooni EA,Morady F,Oral H,Carlos RC

更新日期：2007-02-01 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:The American Cancer Society (ACS) and the United States Preventive Services Task Force (USPSTF) recommend colorectal cancer (CRC) screening to begin at age 50 in individuals at average risk for CRC. To estimate rate at which women eligible for CRC screening at the time of screening mammography ...

journal_title：Academic radiology

authors： Molina L,Carlos RC,Mark Fendrick A,Abrahamse PH,Dong Q,Bernstein SJ

更新日期：2004-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Dual-energy computed tomography (DECT) and ultrasound are both used to assess gouty arthritis. The present study was designed to compare the diagnostic accuracy of DECT and ultrasound in detecting monosodium urate (MSU) crystal deposition in various joints. MATERIALS AND METHODS:This study enr...

journal_title：Academic radiology

authors： Zhu L,Wu H,Wu X,Sun W,Zhang T,Ye L,Wang W,Wang J

更新日期：2015-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A national needs assessment of radiology program directors was performed to characterize grand rounds (GR) programs, assess the perceived educational value of GR programs, and determine the impact of the recent economic downturn on GR. MATERIALS AND METHODS:A 28-question survey was developed q...

journal_title：Academic radiology

authors： Yablon CM,Wu JS,Slanetz PJ,Eisenberg RL

更新日期：2011-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To determine the diagnostic accuracy of stereotactically and sonographically guided core biopsy (CB) for the diagnosis of nonpalpable breast lesions. MATERIALS AND METHODS:Twenty-two institutions enrolled 2,403 women who underwent imaging-guided fine needle aspiration followed by imaging-guide...

journal_title：Academic radiology

authors： Fajardo LL,Pisano ED,Caudry DJ,Gatsonis CA,Berg WA,Connolly J,Schnitt S,Page DL,McNeil BJ,Radiologist Investigators of the Radiologic Diagnostic Oncology Group V.

更新日期：2004-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To investigate the performance of diffusion kurtosis imaging (DKI) and diffusion tensor imaging (DTI) in discriminating benign tissue, low- and high-grade prostate adenocarcinoma (PCa). MATERIALS AND METHODS:Forty-eight patients with biopsy-proven PCa of different Gleason grade (GG), who provi...

journal_title：Academic radiology

authors： Di Trani MG,Nezzo M,Caporale AS,De Feo R,Miano R,Mauriello A,Bove P,Manenti G,Capuani S

更新日期：2019-10-01 00:00:00

abstract：:Feedback is an essential component of education. It is designed to influence, reinforce, and change behaviors, concepts, and attitudes in learners. Although providing constructive feedback can be challenging, it is a learnable skill. The negative consequences of destructive feedback or lack of feedback all together ar...

journal_title：Academic radiology

authors： Sarkany D,Deitte L

更新日期：2017-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Extraprostatic extension of disease (EPE) has a major role in risk stratification of prostate cancer patients. Currently, pretreatment local staging is performed with MRI, while the gold standard is represented by histopathological analysis after radical prostatectomy. Texture analysis (TA) is ...

journal_title：Academic radiology

authors： Stanzione A,Cuocolo R,Cocozza S,Romeo V,Persico F,Fusco F,Longo N,Brunetti A,Imbriaco M

更新日期：2019-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Manganese is a well-known liver-specific agent used in magnetic resonance imaging. For this purpose, manganese is now administered intravenously. In theory it should be possible to increase the gastrointestinal uptake of manganese through the use of nutritional products as promoters. Such an ag...

journal_title：Academic radiology

authors： Thomsen HS,Svendsen O,Klastrup S

更新日期：2004-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to present and evaluate a fully automated system for emphysema quantification on low-dose computed tomographic images. The platform standardizes emphysema measurements against changes in the reconstruction algorithm and slice thickness. MATERIALS AND METHODS:Emphysema...

journal_title：Academic radiology

authors： Ceresa M,Bastarrika G,de Torres JP,Montuenga LM,Zulueta JJ,Ortiz-de-Solorzano C,Muñoz-Barrutia A

更新日期：2011-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to determine textural features that show a significant difference between carcinomatous tissue and the bladder wall on magnetic resonance imaging (MRI) and explore the feasibility of using them to differentiate malignancy from the normal bladder wall as an initial ...

journal_title：Academic radiology

authors： Shi Z,Yang Z,Zhang G,Cui G,Xiong X,Liang Z,Lu H

更新日期：2013-08-01 00:00:00

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:Electron beam angiography is a minimally invasive imaging technique. Adequate vascular opacification throughout the study remains a critical issue for image quality. We hypothesized that vascular image opacification and uniformity of vascular enhancement between slices can be improved using mul...

journal_title：Academic radiology

authors： Budoff MJ,Shinbane JS,Child J,Carson S,Chau A,Liu SH,Mao S

更新日期：2006-02-01 00:00:00

abstract：:Initial research in the development of interventional magnetic resonance (MR) imaging in the late 1980s and early to mid-1990s focused on pulse sequences, devices, and clinical applications. This focus was largely a result of the limited number of areas in which the academic research community leading the development ...

journal_title：Academic radiology

authors： Elgort DR,Duerk JL

更新日期：2005-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To noninvasively estimate the severity of liver fibrosis using perfusion-CT (PCT)-based quantification of dual liver blood supply prior to liver transplantation or liver resections and to correlate results with histological grading of fibrosis stages and AST-platelet ratio index. MATERIALS AND...

journal_title：Academic radiology

authors： Wm T,L S,C K,K E,T H,H B,T K,K N,M H,S K

更新日期：2019-09-01 00:00:00