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https://www.readbyqxmd.com/read/28528853/sarcomatoid-renal-cell-carcinoma-and-collecting-duct-carcinoma-discrimination-from-common-renal-cell-carcinoma-subtypes-and-benign-rcc-mimics-on-multiphasic-mdct
#1
Jonathan R Young, Jocelyn A Young, Daniel J A Margolis, Steven Sauk, James Sayre, Allan J Pantuck, Steven S Raman
RATIONALE AND OBJECTIVES: To investigate whether imaging features on multiphasic multidetector computed tomography (MDCT) can help discriminate sarcomatoid renal cell carcinoma (RCC) and collecting duct carcinoma (CDC) from other solid renal masses. MATERIALS AND METHODS: With institutional review board approval for this HIPAA-compliant study, we derived a cohort of 7 sarcomatoid RCCs, 4 CDCs, 165 clear cell RCCs, 56 papillary RCCs, 22 chromophobe RCCs, 49 oncocytomas, and 16 lipid-poor angiomyolipomas with preoperative multiphasic MDCT with up to four phases (unenhanced, corticomedullary, nephrographic, and excretory)...
May 18, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28527821/impact-of-sodium-bicarbonate-buffered-lidocaine-on-patient-pain-during-image-guided-breast-biopsy
#2
Alison Vasan, Jay A Baker, Rebecca A Shelby, Mary Scott C Soo
PURPOSE: This randomized, double-blind controlled study evaluated the effectiveness of sodium bicarbonate-buffered lidocaine on reducing pain during imaging-guided breast biopsies. MATERIALS AND METHODS: This prospective, HIPAA-compliant study randomly assigned 85 women undergoing ultrasound- or stereotactic-guided core-needle breast biopsies to receive intradermally and intraparenchymally either 1% lidocaine buffered with sodium bicarbonate (9:1 ratio) (bicarbonate study group) or 1% lidocaine alone (control group)...
May 17, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28525924/institutional-review-board-training-when-patients-and-community-members-are-engaged-as-researchers
#3
John M Westfall, Linda Zittleman, Maret Felzien, Marc Ringel, Alison Lakin, Don Nease
Background.: Patient engagement efforts often rely on a participatory research approach, which means engaging patients and community members in all aspects of research. As research team members, they require familiarity with the principles of human subject protection, privacy, and institutional review boards (IRB). However, the time required for individual IRB training may be a barrier to engaging community members in participatory research. As more community members participated in research, the State Networks of Colorado Practices and Partners (SNOCAP) was faced with finding a balance between including community members as part of the research team and the significant time commitment and institutional requirements for human subjects research oversight...
June 1, 2017: Family Practice
https://www.readbyqxmd.com/read/28523350/comparison-of-a-radiomic-biomarker-with-volumetric-analysis-for-decoding-tumour-phenotypes-of-lung-adenocarcinoma-with-different-disease-specific-survival
#4
Mei Yuan, Yu-Dong Zhang, Xue-Hui Pu, Yan Zhong, Hai Li, Jiang-Fen Wu, Tong-Fu Yu
OBJECTIVES: To compare a multi-feature-based radiomic biomarker with volumetric analysis in discriminating lung adenocarcinomas with different disease-specific survival on computed tomography (CT) scans. METHODS: This retrospective study obtained institutional review board approval and was Health Insurance Portability and Accountability Act (HIPAA) compliant. Pathologically confirmed lung adenocarcinoma (n = 431) manifested as subsolid nodules on CT were identified...
May 18, 2017: European Radiology
https://www.readbyqxmd.com/read/28514269/ensuring-compliance-with-the-hipaa-security-rule-think-twice-when-e-mailing-protected-health-information
#5
Donna J Craig
No abstract text is available yet for this article.
June 16, 2017: Nurse Practitioner
https://www.readbyqxmd.com/read/28493789/idiopathic-pulmonary-fibrosis-data-driven-textural-analysis-of-extent-of-fibrosis-at-baseline-and-15-month-follow-up
#6
Stephen M Humphries, Kunihiro Yagihashi, Jason Huckleberry, Byung-Hak Rho, Joyce D Schroeder, Matthew Strand, Marvin I Schwarz, Kevin R Flaherty, Ella A Kazerooni, Edwin J R van Beek, David A Lynch
Purpose To evaluate associations between pulmonary function and both quantitative analysis and visual assessment of thin-section computed tomography (CT) images at baseline and at 15-month follow-up in subjects with idiopathic pulmonary fibrosis (IPF). Materials and Methods This retrospective analysis of preexisting anonymized data, collected prospectively between 2007 and 2013 in a HIPAA-compliant study, was exempt from additional institutional review board approval. The extent of lung fibrosis at baseline inspiratory chest CT in 280 subjects enrolled in the IPF Network was evaluated...
May 10, 2017: Radiology
https://www.readbyqxmd.com/read/28484824/prognostic-value-of-incidental-hypervascular-micronodules-detected-on-cone-beam-computed-tomography-angiography-of-patients-with-liver-metastasis
#7
Bruno C Odisio, Veronica L Cox, Silvana C Faria, Suguru Yamashita, Xiao Shi, Joe Ensor, Aaron K Jones, Armeen Mahvash, Sanjay Gupta, Alda L Tam, Jean-Nicolas Vauthey, Ravi Murthy
PURPOSE: To determine the clinical relevance of incidentally-found hypervascular micronodules (IHM) on cone-beam computed tomography angiography (CBCTA) in patients with liver metastasis undergoing transarterial (chemo)embolization (TACE/TAE). MATERIAL AND METHODS: This was a HIPAA-compliant institutional review board-approved single-institution retrospective review of 95 non-cirrhotic patients (52 men; mean age, 60 years) who underwent CBCTA prior to (chemo)embolic delivery...
May 8, 2017: European Radiology
https://www.readbyqxmd.com/read/28476609/focal-cystic-pancreatic-lesion-follow-up-recommendations-after-publication-of-acr-white-paper-on-managing-incidental%C3%A2-findings
#8
Mark D Bobbin, Ivan K Ip, V Anik Sahni, Atul B Shinagare, Ramin Khorasani
PURPOSE: To describe the variation in radiologists' follow-up recommendations for focal cystic pancreatic lesions (FCPL) after publication of the 2010 ACR incidental findings White Paper and determine adherence to guidance of the ACR Incidental Findings Committee. METHODS: Institutional Review Board approval was obtained for this retrospective, HIPAA-compliant observational study. Patients with FCPL were identified from abdominal CT and MRI reports generated in 2013 using natural language processing software...
May 2, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28467142/monitoring-neoadjuvant-chemotherapy-for-breast-cancer-by-using-three-dimensional-subharmonic-aided-pressure-estimation-and-imaging-with-us-contrast-agents-preliminary-experience
#9
Kibo Nam, John R Eisenbrey, Maria Stanczak, Anush Sridharan, Adam C Berger, Tiffany Avery, Juan P Palazzo, Flemming Forsberg
Purpose To determine whether three-dimensional subharmonic aided pressure estimation (SHAPE) and subharmonic imaging can help predict the response of breast cancer to neoadjuvant chemotherapy. Materials and Methods In this HIPAA-compliant prospective study, 17 women (age range, 45-70 years) scheduled to undergo neoadjuvant therapy for breast cancer underwent ultrasonography (US) immediately before therapy and at completion of 10%, 60%, and 100% of chemotherapy. All patients provided written informed consent...
May 3, 2017: Radiology
https://www.readbyqxmd.com/read/28466184/thirty-day-emergency-room-visits-and-hospital-admissions-after-outpatient-non-vascular-image-guided-procedures
#10
Quang Nguyen, Sahil V Mehta, Jieming Fang, Robert Sheiman, Robert Kane, Muneeb Ahmed, Ammar Sarwar, Bettina Siewert, Olga R Brook
PURPOSE: To evaluate the rate of post-procedure emergency department (ED) visits and hospital admissions following outpatient non-vascular image-guided interventions performed under moderate sedation and to identify common and preventable causes of emergency department visits and hospital admissions. MATERIALS AND METHODS: Institutional review board approval was acquired for this HIPAA-compliant retrospective study with waiver of informed consent. 1426 consecutive patients undergoing 1512 outpatient image-guided procedures under moderate sedation from November 2012 to August 2014 were included...
May 2, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28463057/is-weight-loss-associated-with-less-progression-of-changes-in-knee-articular-cartilage-among-obese-and-overweight-patients-as-assessed-with-mr-imaging-over-48-months-data-from-the-osteoarthritis-initiative
#11
Alexandra S Gersing, Benedikt J Schwaiger, Michael C Nevitt, Gabby B Joseph, Nattagan Chanchek, Julio B Guimaraes, John Mbapte Wamba, Luca Facchetti, Charles E McCulloch, Thomas M Link
Purpose To investigate the association of weight loss with progression of cartilage changes at magnetic resonance (MR) imaging over 48 months in overweight and obese participants compared with participants of stable weight. Materials and Methods The institutional review boards of the four participating centers approved this HIPAA-compliant study. Included were (a) 640 participants (mean age, 62.9 years ± 9.1 [standard deviation]; 398 women) who were overweight or obese (body mass index cutpoints of 25 and 30 kg/m(2), respectively) from the Osteoarthritis Initiative, with risk factors for osteoarthritis or mild to moderate radiographic findings of osteoarthritis, categorized into groups with (a) weight loss of more than 10% (n = 82), (b) weight loss of 5%-10% (n = 238), or (c) stable weight (n = 320) over 48 months...
May 2, 2017: Radiology
https://www.readbyqxmd.com/read/28462442/microwave-ablation-of-lung-tumors-near-the-heart-a-retrospective-review-of-short-term-procedural-safety-in-ten-patients
#12
Aaron W P Maxwell, Terrance T Healey, Damian E Dupuy
OBJECTIVES: To evaluate the rate of short-term complications associated with microwave ablation of lung tumors located near the heart. METHODS: This HIPAA-compliant study was performed with a waiver for informed consent. Patients who underwent microwave ablation of lung tumors located 10 mm or less from the heart were identified by retrospective chart review. Both primary and metastatic tumors were included. Only tumors directly adjacent to one of the four cardiac chambers were included...
May 1, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28461168/effects-of-interpersonal-skills-training-on-mri-operations-in-a-saturated-market-a%C3%A2-randomized-trial
#13
Amna A Ajam, Xuan V Nguyen, Ronda A Kelly, Joseph A Ladapo, Elvira V Lang
PURPOSE: The aim of this study was to assess the effects of team training on operational efficiency during outpatient MRI. METHODS: In this institutional review board-approved, HIPAA-compliant study, six MRI outpatient sites of a midwestern hospital system were randomized to serve as controls or have their teams trained in advanced communication skills. The fourth quarter of fiscal year 2015 was the trial baseline. The trial ended in the third quarter (Q3) of fiscal year 2016 (FY16)...
April 27, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28456818/hepatic-segmental-atrophy-and-nodular-elastosis-imaging-features
#14
Ishan Garg, Rondell P Graham, Wendaline M VanBuren, Ajit H Goenka, Michael S Torbenson, Sudhakar K Venkatesh
PURPOSE: To evaluate the imaging features of hepatic segmental atrophy and nodular elastosis. MATERIALS AND METHODS: In this Institutional review board (IRB)-approved, HIPAA-compliant study, we reviewed imaging features in six cases of histologically confirmed hepatic segmental atrophy (HSA) and nodular elastosis (NE). Retrospective review of ultrasound (US) in 2 patients, computed tomography (CT) in 5 patients, magnetic resonance imaging (MRI) in 4 patients, and positron emission tomography (PET) in 2 patients was performed...
April 29, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28452624/mri-appearance-of-invasive-subcentimeter-breast-carcinoma-benign-characteristics-are-common
#15
Matthias Meissnitzer, D David Dershaw, Kimberly Feigin, Blanca Bernard-Davila, Filipe Barra, Elizabeth A Morris
OBJECTIVES: This study was undertaken to examine the characteristics of cancers detected at the earliest possible point on MRI and to determine their characteristics. METHODS: This IRB-approved HIPAA-compliant retrospective study evaluated invasive breast cancers histologically ≤1cm. MRI was performed within 6 months before diagnosis. Between 1/1/2005 and 12/31/2015, 163 cancers in 161 patients were evaluated. BI-RADS(®) lesion characteristics were assessed by two radiologists independently...
April 28, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28451764/mdct-of-the-liver-in-obese-patients-evaluation-of-a-different-method-to-optimize-iodine-dose
#16
Marco Rengo, Davide Bellini, Rita Businaro, Damiano Caruso, Gabriella Azzara, Domenico De Santis, Simona Picchia, Tommaso Biondi, Marwen Eid, Dario Boschiero, Andrea Laghi
PURPOSE: To prospectively compare two different approaches for estimating the amount of intravenous contrast media (CM) needed for multiphasic MDCT of the liver in obese patients. MATERIALS AND METHODS: This single-center, HIPAA-compliant prospective study was approved by our Institutional Review Board. Ninety-six patients (55 men, 41 women), with a total of 42 hypovascular liver lesions, underwent MDCT of the liver. The amount of contrast medium injected was computed according to the patient's lean body weight which was estimated using either a bioimpedance device (Group A) or the James formula (Group B)...
April 27, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28436741/deep-learning-at-chest-radiography-automated-classification-of-pulmonary-tuberculosis-by-using-convolutional-neural-networks
#17
Paras Lakhani, Baskaran Sundaram
Purpose To evaluate the efficacy of deep convolutional neural networks (DCNNs) for detecting tuberculosis (TB) on chest radiographs. Materials and Methods Four deidentified HIPAA-compliant datasets were used in this study that were exempted from review by the institutional review board, which consisted of 1007 posteroanterior chest radiographs. The datasets were split into training (68.0%), validation (17.1%), and test (14.9%). Two different DCNNs, AlexNet and GoogLeNet, were used to classify the images as having manifestations of pulmonary TB or as healthy...
April 24, 2017: Radiology
https://www.readbyqxmd.com/read/28436531/international-inter-rater-agreement-in-scoring-acne-severity-utilizing-cloud-based-image-sharing-of-mobile-phone-photographs
#18
Negar Foolad, Jennifer N Ornelas, Ashley K Clark, Ifrah Ali, Victoria R Sharon, Luluah Al Mubarak, Andrés Lopez, Ali Alikhan, Bishr Al Dabagh, Alireza Firooz, Smita Awasthi, Yu Liu, Chin-Shang Li, Raja K Sivamani
BACKGROUND: Cloud-based image sharing technology allows facilitated sharing of images. Cloud-based image sharing technology has not been well-studied for acne assessments or treatment preferences, among international evaluators. We evaluated inter-rater variability of acne grading and treatment recommendations among an international group of dermatologists that assessed photographs. METHODS: This is a prospective, single visit photographic study to assess inter-rater agreement of acne photographs shared through an integrated mobile device, cloud-based, and HIPAA-compliant platform...
April 24, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28430554/role-of-cerebrospinal-fluid-in-spaceflight-induced-ocular-changes-and-visual-impairment-in-astronauts
#19
Noam Alperin, Ahmet M Bagci, Carlos J Oliu, Sang H Lee, Byron L Lam
Purpose To determine the respective roles of vascular and cerebrospinal fluids in spaceflight-induced vision impairment in astronauts, known as the visual impairment and intracranial pressure (VIIP) syndrome. Materials and Methods This retrospective study was approved by the National Aeronautics and Space Administration institutional review board and is HIPAA compliant. All subjects provided written informed consent. Magnetic resonance (MR) imaging data from nine astronauts (mean age, 46.9 years) who flew on the space shuttle (14...
April 21, 2017: Radiology
https://www.readbyqxmd.com/read/28429056/prognostic-significance-of-supradiaphragmatic-lymph-nodes-at-initial-presentation-in-patients-with-stage-iii-high-grade-serous-ovarian-cancer
#20
L J McIntosh, A C O'Neill, S Bhanusupriya, S A Matalon, A D Van den Abbeele, N H Ramaiya, A B Shinagare
PURPOSE: To identify the optimal size threshold and to assess the prognostic significance of supradiaphragmatic lymph nodes at initial presentation of patients with high-grade serous ovarian cancer (HGSC). METHODS: This IRB-approved, HIPAA-compliant retrospective study included baseline pretreatment staging abdominal CTs of 88 women (mean age 62 years, SD 10.4, range 29-85) with FIGO stage III HGSC. Patients with stage IV disease were excluded due to worse prognosis and management guided by distant metastases...
April 20, 2017: Abdominal Radiology
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