Determining optimal acquisition parameters for computed tomography coronary angiography: evaluation of a software-assisted, breathhold exam simulation.

abstract：RATIONALE AND OBJECTIVES:To investigate the value of texture analysis and conventional magnetic resonance imaging (MRI) features for predicting the early recurrence (ER) of single hepatocellular carcinoma (HCC) after hepatectomy. MATERIALS AND METHODS:A total of 100 HCC patients were first divided into group A (tumor ...

journal_title：Academic radiology

authors： Zhang J,Liu X,Zhang H,He X,Liu Y,Zhou J,Guo D

更新日期：2019-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Simultaneous single-photon emission computed tomography (SPECT) neuroimaging with both technetium-99m (99mTc) hexamethylpropyleneamine oxime (HMPAO) and iodine-123 (123I) N-isopropyl-iodoamphetamine is a recently introduced method with potential for assessing activation phenomena in the brain. ...

journal_title：Academic radiology

authors： Bushnell DL,Madsen M,Cremer S,Kahn D,Kirchner PT

更新日期：1995-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Mammographic breast density is an important and widely accepted risk factor for breast cancer. A statement about breast density in the mammographic report is becoming a requirement in many States. However, there is significant inter-observer variation between radiologists in their interpretatio...

journal_title：Academic radiology

authors： Heine JJ,Fowler EE,Flowers CI

更新日期：2011-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:We investigated the methodologic development of computed microtomography (CMT) for monitoring the development of osteoporosis in male Sprague-Dawley rats. METHODS:Eight rats were gastrectomized and eight rats were sham operated. Femurs, tibias, and tails were prepared, and CMT scans with spati...

journal_title：Academic radiology

authors： Stenström M,Olander B,Carlsson CA,Carlsson GA,Håkanson R

更新日期：1995-09-01 00:00:00

abstract：:Despite the widespread belief that advanced imaging should be very helpful in guiding oncology treatment decision and improving efficiency and success rates in treatment clinical trials, its acceptance has been slow. Part of this is likely attributable to gaps in study design and statistical methodology for these imag...

journal_title：Academic radiology

authors： Huang EP,Lin FI,Shankar LK

更新日期：2017-08-01 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: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:While affiliated imaging centers play an important role in healthcare systems, little is known of how their operations are impacted by the COVID-19 pandemic. Our goal was to investigate imaging volume trends during the pandemic at our large academic hospital compared to the affiliated imaging c...

journal_title：Academic radiology

authors： Lang M,Yeung T,Mendoza DP,Flores EJ,Som A,Lang AL,Pianykh OS,Lee SI,Saini S,Little BP,Succi MD

更新日期：2020-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The objective of our study was to determine if the T1-weighted magnetic resonance imaging (MRI) features associated with diabetic pedal osteomyelitis are present in histopathologically proven cases of non-pedal osteomyelitis. MATERIALS AND METHODS:Seventy-five patients with a histopathological...

journal_title：Academic radiology

authors： Howe BM,Wenger DE,Mandrekar J,Collins MS

更新日期：2013-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVE:We sought to establish medical students' perspectives of a set of curriculum topics for radiology teaching. MATERIALS AND METHODS:A multicenter study was conducted in New Zealand. A modified Delphi method was adopted. Students enrolled in two New Zealand Universities received a questionnaire. E...

journal_title：Academic radiology

authors： Subramaniam RM,Beckley V,Chan M,Chou T,Scally P

更新日期：2006-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Breast cancer is the leading type of cancer among women. Visualization and characterization of breast lesions based on vascularity kinetics was evaluated using three-dimensional (3D) contrast-enhanced ultrasound imaging in a clinical study. MATERIALS AND METHODS:Breast lesions (n = 219) were i...

journal_title：Academic radiology

authors： Sridharan A,Eisenbrey JR,Stanczak M,Machado P,Merton DA,Wilkes A,Sevrukov A,Ojeda-Fournier H,Mattrey RF,Wallace K,Forsberg F

更新日期：2020-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:There is discordance between the American Board of Radiology (ABR) and many radiology trainees with respect to the most appropriate means to prepare for the ABR Core Examination. Whereas the ABR suggests that participation in routine clinical examination interpretation best prepares a trainee f...

journal_title：Academic radiology

authors： Nickerson JP,Koski C,Anderson JC,Beckett B,Jackson VP

更新日期：2020-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The goal of this study is to demonstrate how the teaching of radiology physics can be enhanced with the use of interactive scientific notebook software. METHODS:We used the scientific notebook software known as Project Jupyter, which is free, open-source, and available for the Macintosh, Windo...

journal_title：Academic radiology

authors： Richardson ML,Amini B

更新日期：2018-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Describe new interactive digital teaching methods for medical student education in radiology and evaluate student responses. MATERIALS AND METHODS:Third- and fourth-year medical students on radiology clerkship were taught using either film-based "hot seat" format, digital "hot seat," or didact...

journal_title：Academic radiology

authors： Su TJ,Shaffer K

更新日期：2004-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Blooming artifact from calcified plaques often renders measurement of stenosis impossible on coronary computed tomographic angiography (CTA). We sought to evaluate the impact of modifying window level on reducing blooming artifact, and its impact on stenosis quantification. MATERIALS AND METHO...

journal_title：Academic radiology

authors： Shmilovich H,Cheng VY,Dey D,Rajani R,Nakazato R,Otaki Y,Nakanishi R,Vashistha V,Min JK,Berman DS

更新日期：2014-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the study is to gauge radiology fellowship directors' experiences with the fellowship application process and perceptions of the National Resident Matching Program Radiology Fellowship Match, as well as compare these perceptions with those of senior residents. METHODS AND MATERIALS:...

journal_title：Academic radiology

authors： Shetty SK,Resnik CS

更新日期：2006-01-01 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: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:This study aimed to develop and implement a respiratory-gated setup for dual-source computed tomography (CT) at high pitch to examine patients in a reproducible inspiratory phase. MATERIALS AND METHODS:Twenty-one patients underwent free-breathing respiratory-gated chest CT using a high-pitch s...

journal_title：Academic radiology

authors： Lell MM,Scharf M,Eller A,Wuest W,Allmendinger T,Fuchs F,Achenbach S,Uder M,May MS

更新日期：2016-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of the study is to develop a theory-based signal calibration approach to be used for the conversion of signal-time curves to absolute contrast concentration-time curves for first-pass contrast-enhanced quantitative myocardial perfusion studies. MATERIALS AND METHODS:A normalization pro...

journal_title：Academic radiology

authors： Cernicanu A,Axel L

更新日期：2006-06-01 00:00:00

abstract：OBJECTIVES AND RATIONALE:Medulloblastoma/primitive neuroectodermal tumor (MB/PNET) is the most common malignant tumor of the central nervous system (CNS) in children. MB/PNET survivors are at an increased risk for developing second malignancies. Little has been reported on development of low-grade lesions of the calvar...

journal_title：Academic radiology

authors： Koral K,Roy D,Timmons CF,Gargan L,Bowers DC

更新日期：2012-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to investigate the effects of exogenous endothelial progenitor cells (EPCs) on the growth and invasiveness of glioma in vivo to provide an experimental basis for the value and safety of using magnetically labeled EPCs as target vectors to detect early infiltration of g...

journal_title：Academic radiology

authors： Fang J,Wang S,Chen J,Zhang Y,Zhang B,Liang H,Zhang W

更新日期：2011-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A survey was administered to fourth-year radiology residents after receiving their results from the first American Board of Radiology (ABR) Core examination in 2013. The purpose was to gather information regarding resources and study strategies to share with program directors and future residen...

journal_title：Academic radiology

authors： Shetty AS,Grajo JR,Decker S,Heitkamp DE,DeStigter KK,Mezwa DG,Deitte L

更新日期：2015-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To assess computed tomographic (CT) signs that have been described in published studies for the diagnosis of appendicitis to identify independent findings that predict appendicitis. METHODS AND MATERIALS:A retrospective database search identified 67 patients with a CT scan of the abdomen/pelvi...

journal_title：Academic radiology

authors： Ives EP,Sung S,McCue P,Durrani H,Halpern EJ

更新日期：2008-08-01 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：RATIONALE AND OBJECTIVES:Studies of medical school clerkship websites have reported efficient time management, resource utilization, and hands-on activities. We built a website devoted to medical student education in radiology to address student, educator, and school curricular needs and surveyed students to assess the...

journal_title：Academic radiology

authors： Mauro DM,Ellis JA,Lilly JF 3rd,Dallaghan GLB,Jordan SG

更新日期：2020-09-21 00:00:00

abstract：RATIONALE AND OBJECTIVES:Diffusion tensor tractography (DTT) for neural fibers of the head-and-neck region at 3T has not been reported. The purpose of this study was to evaluate the feasibility of using DTT for visualizing neural fibers in the head-and-neck region at 3T and to explore the use of this method in patients...

journal_title：Academic radiology

authors： Akter M,Hirai T,Minoda R,Murakami R,Saiki S,Okuaki T,Kitajima M,Fukuoka H,Sasao A,Nishimura S,Yumoto E,Awai K,Yamashita Y

更新日期：2009-07-01 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：:Technologic advances have resulted in the expansion of web-based conferencing and education. While historically video-conferencing has been used for didactic educational sessions, we present its novel use in virtual radiology read-outs in the face of the COVID-19 pandemic. Knowledge of key aspects of set-up, implement...

journal_title：Academic radiology

authors： Li CH,Rajamohan AG,Acharya PT,Liu CJ,Patel V,Go JL,Kim PE,Acharya J

更新日期：2020-06-01 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