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Academic Radiology

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https://www.readbyqxmd.com/read/29960795/metabolic-changes-of-brain-developmental-venous-anomalies-on-18-f-fdg-pet
#1
Jillian W Lazor, J Eric Schmitt, Laurie A Loevner, S Ali Nabavizadeh
RATIONALE AND OBJECTIVES: To determine the metabolic effects of developmental venous anomalies (DVAs) and to correlate those effects with conventional magnetic resonance imaging (MRI) findings. MATERIALS AND METHODS: We conducted a retrospective review of MRI and brain 18F-fluorodeoxyglucose positron emission tomography (18 F-FDG-PET) examinations in subjects with DVAs. Conventional MRI was used to determine DVA number, location, size, and associated parenchymal findings such as atrophy, hemorrhage, cavernoma, capillary telangiectasia, cortical dysplasia/polymicrogyria, and white matter signal abnormality...
June 27, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29958777/the-physician-payment-sunshine-act-evaluating-industrial-payments-in-radiology
#2
Marc Jutras, Faisal Khosa
RATIONALE AND OBJECTIVES: The characterization of payments made to physicians by pharmaceutical companies, device manufacturers, and group purchasing organizations is crucial for assessing potential conflicts of interest and their impact on practice patterns. This study examines the compensation received by general radiologists (GR) in the United States, as well as radiologists in the following five subspecialties: body imaging, neuroradiology, pediatric radiology, nuclear radiology and radiological physics, and vascular and interventional radiology...
June 26, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29941399/radiology-residency-match-the-cost-of-being-in-the-dark
#3
Anna Rozenshtein, Anthony G Gilet, Brent Griffith, Ali Kamran, Ernest F Wiggins, James C Anderson
RATIONALE AND OBJECTIVES: The Electronic Resident Application Service (ERAS) publishes monthly statistics before the match and the National Resident Matching Program publishes the match outcomes. We sought to determine whether early ERAS data influences applicant behavior and correlates with match outcomes. MATERIALS AND METHODS: We searched the 2007-2017 ERAS archives for the applicant pool size (PS), the average number of applications per program (AP), and the average number of applications per applicant (AA) in November, before radiology match, and the 2007-2017 National Resident Matching Program archives for the average number of ranked applicants needed to fill each position (ANRA) and the number of unfilled positions (UP) in radiology match...
June 22, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29941398/association-between-braf-v600e-mutation-and-the-american-college-of-radiology-thyroid-imaging-reporting-and-data-system-in-solitary-papillary-thyroid-carcinoma
#4
Ronger Shangguan, Yuan-Ping Hu, Jun Huang, Shao-Jun Yang, Ling Ye, Ri-Xu Lin, Jian Zhu, Tong-Long Zhang, Li Ying, Peng Li
RATIONALE AND OBJECTIVES: The purpose of this study was to evaluate the associations between BRAFV600E mutation, the American College of Radiology (ACR) thyroid imaging, reporting and data system (TI-RADS) on ultrasound and clinicopathological characteristics in patients with a solitary papillary thyroid carcinoma (PTC). MATERIALS AND METHODS: This retrospective study included 397 patients with a solitary PTC, proved pathologically. BRAFV600E mutation status was detected in postoperative samples by real-time fluorescent polymerase chain reaction...
June 22, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29941397/the-long-to-short-axis-ratio-and-multifocality-are-associated-with-tp53-mutation-status-in-surgically-resected-hepatocellular-carcinomas
#5
Xiaodong Wang, Dongying Chen, Bin Chen
RATIONALE AND OBJECTIVES: In hepatocellular carcinoma (HCC), the tumor protein 53 (TP53) gene is frequently mutated and the mutations have been associated with poor prognosis. We aim to retrospectively identify the relationship between TP53 mutation status, tumor size (long-axis diameter, short-axis diameter, and long-to-short-axis ratio [L/S ratio]), margin and multifocality in surgically resected HCC. MATERIALS AND METHODS: The image features and TP53 mutation data from 78 patients generated with National Cancer Institute's multi-institutional The Cancer Genome Atlas (TCGA)/The Cancer Imaging Archive databases were assessed...
June 22, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29935970/-68-ga-psma-pet-ct-in-patients-with-rising-prostatic-specific-antigen-after-definitive-treatment-of-prostate-cancer-detection-efficacy-and-diagnostic-accuracy
#6
Maged Abdel Galil Hamed, Mohammad Abd Alkhalik Basha, Hussien Ahmed, Ahmed Ali Obaya, Amira Hamed Mohamed Afifi, Eman H Abdelbary
RATIONALE AND OBJECTIVES: 68 Ga-prostate-specific membrane antigen-11 (68 Ga-PSMA-11) is a recently developed positron emission tomography (PET) tracer that can detect prostate cancer (PC) relapses and metastases with high contrast resolution. The aim of this study was to assess the detection efficacy and diagnostic accuracy of 68 Ga-PSMA PET/CT image in patients with rising prostatic-specific antigen (PSA) after treatment of PC. MATERIALS AND METHODS: The present prospective study included 188 patients who exhibited rising of PSA level on a routine follow-up examination after definitive treatment of PC...
June 20, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29934024/interobserver-variation-in-response-evaluation-criteria-in-solid-tumors-1-1
#7
Arunabha Karmakar, Apeksha Kumtakar, Himanshu Sehgal, Savith Kumar, Arjun Kalyanpur
PURPOSE: Response Evaluation Criteria in Solid Tumors (RECIST 1.1) is the gold standard for imaging response evaluation in cancer trials. We sought to evaluate consistency of applying RECIST 1.1 between 2 conventionally trained radiologists, designated as A and B; identify reasons for variation; and reconcile these differences for future studies. METHODS: The study was approved as an institutional quality check exercise. Since no identifiable patient data was collected or used, a waiver of informed consent was granted...
June 19, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29934023/transjugular-intrahepatic-portosystemic-shunt-the-impact-of-portal-venous-pressure-declines-on-shunt-patency-and-clinical-efficacy
#8
Yue-Meng Wan, Yu-Hua Li, Zhi-Yuan Xu, Hua-Mei Wu, Xi-Nan Wu, Ying Xu, Tao Guo
RATIONALE AND OBJECTIVES: Transjugular intrahepatic portosystemic shunt (TIPS) placement using the same-diameter covered stents can lead to differed declines of portal venous pressure declines (PVDs). This study aimed to compare the long-term shunt patency and clinical efficacy of TIPS placement that caused low PVDs (≤9 mmHg) and high PVDs (>9 mmHg). MATERIALS AND METHODS: A total of 129 patients treated by TIPS placement with 8 mm-diameter polytetrafluoroethylene covered stents were included and analyzed retrospectively...
June 19, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29934022/evaluation-of-the-talar-cartilage-in-chronic-lateral-ankle-instability-with-lateral-ligament-injury-using-biochemical-t2-mapping-correlation-with-clinical-symptoms
#9
Yiwen Hu, Hongyue Tao, Yang Qiao, Kui Ma, Yinghui Hua, Xu Yan, Shuang Chen
RATIONALE AND OBJECTIVES: This study aims to quantitatively compare T2* measurements of the talar cartilage between chronic lateral ankle instability (LAI) patients with lateral ligament injury and healthy volunteers, and to assess the association of T2* value with American Orthopedic Foot and Ankle Society (AOFAS) score. MATERIALS AND METHODS: Nineteen consecutive patients with chronic LAI (LAI group) and 19 healthy individuals (control group) were enrolled. Biochemical magnetic resonance examination of the ankle was performed in all participants using three-dimensional gradient-echo T2* mapping...
June 19, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29934021/yield-of-routine-image-guided-biopsy-of-renal-mass-thermal-ablation-zones-11-year-experience
#10
Ashish P Wasnik, Ellen J Higgins, Giovanna A Fox, Elaine M Caoili, Matthew S Davenport
PURPOSE: To determine the yield of routine image-guided core biopsy of renal cell carcinoma (RCC) thermal ablation zones. METHODS: Institutional review board approval was obtained for this Health Insurance Portability and Accountability Act-compliant quality improvement effort. Routine core biopsy of RCC ablation zones was performed 2 months postablation from July 2003 to December 2014. Routine nicotinamide adenine dinucleotide staining was performed by specialized genitourinary pathologists to assess cell viability...
June 19, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29934020/implementation-of-an-innovative-tablet-based-curriculum-for-radiology-resident-education
#11
Mina S Makary, Summit H Shah, Rose J Miller, Steven P Doukides, Mark A King
RATIONALE AND OBJECTIVES: The aim of this study was to prospectively examine the impact of a tablet-based curriculum on the radiology resident educational experience. MATERIALS AND METHODS: A comprehensive tablet-based curriculum was developed by creating subspecialty modules with appropriate content level for each required rotation at our diagnostic radiology residency program. Daily assignments included key learning points, readings, and reference presentation slides, covering all objectives published by the ABR Core Exam Study Guide...
June 19, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29934019/monitoring-and-follow-up-of-high-radiation-dose-cases-in-interventional-radiology
#12
Brandon C Perry, Christopher R Ingraham, Brent K Stewart, Karim Valji, Kalpana M Kanal
RATIONALE AND OBJECTIVES: To assess the implementation of radiation dose monitoring software, create a process for clinical follow-up and documentation of high-dose cases, and quantify the number of patient reported radiation-induced tissue reactions in fluoroscopically guided interventional radiology (IR) and neuro-interventional radiology (NIR) procedures. MATERIALS AND METHODS: Web-based radiation dose monitoring software was installed at our institution and a process to flag all procedures with reference point air kerma (Ka,r ) > 5000 mGy was implemented...
June 19, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29929936/it-is-about-time-academic-neuroradiologist-time-distribution-for-interpreting-brain-mris
#13
Altaib Al Yassin, Mohammad Salehi Sadaghiani, Suyash Mohan, R Nick Bryan, Ilya Nasrallah
RATIONALE AND OBJECTIVES: Efficiency is central to current radiology practice. Knowledge of report generation timing is essential for workload optimization and departmental staffing decisions. Yet little research evaluates the distribution of activities performed by neuroradiologists in daily work. MATERIALS AND METHODS: This observational study tracked radiologists interpreting 358 brain magnetic resonance imaging (MRI) in an academic practice over 9 months. We measured the total duration from study opening to report signing and times for five activities performed during this period: image viewing, report transcription, obtaining clinical data, education, and other...
June 18, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29929935/functional-pulmonary-magnetic-resonance-imaging-for-detection-of-ischemic-injury-in-a-porcine-ex-vivo-lung-perfusion-system-prior-to-transplantation
#14
Julius Renne, Marcel Gutberlet, Andreas Voskrebenzev, Agilo Kern, Till Kaireit, Jan B Hinrichs, Peter Braubach, Christine S Falk, Klaus Höffler, Gregor Warnecke, Patrick Zardo, Axel Haverich, Frank Wacker, Jens Vogel-Claussen, Norman Zinne
RATIONALE AND OBJECTIVES: To evaluate the feasibility of multiparametric magnetic resonance imaging (MRI) of the lungs to detect impaired organ function in a porcine model of ischemic injury within an ex-vivo lung perfusion system (EVLP) prior to transplantation. MATERIALS AND METHODS: Twelve pigs were anesthetized, and left lungs were clamped to induce warm ischemia for 3hours. Right lungs remained perfused as controls. Lungs were removed and installed in an EVLP for 12hours...
June 18, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29914749/learning-how-professionalism-evolves-lessons-from-the-law
#15
Richard B Gunderman, Mark J Mutz
No abstract text is available yet for this article.
June 15, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29908979/intracranial-aneurysm-wall-enhancement-associated-with-aneurysm-rupture-a-systematic-review-and-meta-analysis
#16
Xinrui Wang, Chengcheng Zhu, Yue Leng, Andrew J Degnan, Jianping Lu
RATIONALE AND OBJECTIVES: Aneurysm wall enhancement (AWE) on magnetic resonance vessel wall imaging has been proposed as an imaging marker of aneurysm wall inflammation and instability. We performed a systematic review and meta-analysis to summarize the association between AWE and aneurysm rupture. MATERIALS AND METHODS: We performed a comprehensive literature search of studies evaluating the association between AWE and aneurysm rupture. We abstracted the following study data: study design, patient demographics, aneurysm characteristics, MRI protocols, and AWE assessment...
June 13, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29908978/feasibility-of-intravoxel-incoherent-motion-for-differentiating-benign-and-malignant-thyroid-nodules
#17
Hui Tan, Jun Chen, Yi Ling Zhao, Jin Huan Liu, Liang Zhang, Chang Sheng Liu, Dongjie Huang
RATIONALE AND OBJECTIVES: This study aimed to preliminarily investigate the feasibility of intravoxel incoherent motion (IVIM) theory in the differential diagnosis of benign and malignant thyroid nodules. MATERIALS AND METHODS: Forty-five patients with 56 confirmed thyroid nodules underwent preoperative routine magnetic resonance imaging and IVIM diffusion-weighted imaging. The histopathologic diagnosis was confirmed by surgery. Apparent diffusion coefficient (ADC), perfusion fraction f, diffusivity D, and pseudo-diffusivity D* were quantified...
June 13, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29908977/promoting-greater-diversity-and-inclusion-in-radiology-research-a-survey-of-the-american-association-for-women-radiologists
#18
Andrew B Rosenkrantz, Margaret M Szabunio, Katarzyna J Macura
OBJECTIVES: To assess perceived challenges to radiology research and publication by female radiologists, as well as possible strategies for overcoming these challenges. METHODS: An electronic survey was conducted of female nontrainee members of the American Association for Women Radiologists in September and October, 2017. Respondents were recruited by e-mail. Responses were assessed descriptively. RESULTS: The response rate was 31.8% (89/280)...
June 13, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29907400/single-injection-dual-phase-cone-beam-ct-dp-cbct-vascular-anatomy-assessment-and-occult-nodule-detection-have-we-reached-the-focus
#19
LETTER
Pierleone Lucatelli, Gianluca De Rubeis, Renato Argirò, Mario Corona, Mario Bezzi
No abstract text is available yet for this article.
June 12, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29907399/angio-ct-guided-transarterial-chemoembolization-immediately-in-combination-with-radiofrequency-ablation-for-large-hepatocellular-carcinoma
#20
Hongjun Yuan, Fengyong Liu, Xin Li, Yang Guan, Maoqiang Wang
RATIONALE AND OBJECTIVES: To evaluate the method and effectiveness of Angio-CT-guided transcatheter arterial chemoembolization (TACE) immediately in combination with radiofrequency ablation (RFA) in the treatment of large hepatocellular carcinomas (HCCs; maximum enhancing diameter >5 cm). MATERIALS AND METHODS: A retrospective analysis was conducted on 48 patients with solitary large HCCs who were admitted from October 2012 to June 2016 and treated by immediate combination therapy, and 48 patients with solitary large HCCs who were treated by a sequential combination (RFA at 2-4 weeks after TACE) therapy in the same period were randomly selected as controls...
June 12, 2018: Academic Radiology
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