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https://www.readbyqxmd.com/read/29338316/retroareolar-masses-and-intraductal-abnormalities-detected-on-screening-ultrasound-can-biopsy-be-avoided
#1
Yang Guo, Madhavi Raghu, Melissa Durand, Regina Hooley
OBJECTIVE: To investigate the malignancy rate of retroareolar masses and intraductal abnormalities discovered in asymptomatic women during screening whole breast ultrasound (US-S) and determine if biopsy can be avoided. METHODS: This is a HIPAA compliant retrospective study. Our radiology electronic medical records were searched for the phrases "retroareolar mass" or "intraductal mass" combined with "screening whole breast ultrasound" performed between 10/1/2009 to 5/30/2015...
January 17, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29336598/quantitative-mr-evaluation-of-chronic-pancreatitis-extracellular-volume-fraction-and-mr-relaxometry
#2
Temel Tirkes, Chen Lin, Enming Cui, Yu Deng, Paul R Territo, Kumaresan Sandrasegaran, Fatih Akisik
OBJECTIVE: The purpose of this study was to determine if extracellular volume fraction and T1 mapping can be used to diagnose chronic pancreatitis (CP). MATERIALS AND METHODS: This HIPAA-compliant study analyzed 143 consecutive patients with and without CP who underwent MR imaging between May 2016 and February 2017. Patients were selected for the study according to inclusion and exclusion criteria that considered history and clinical and laboratory findings. Eligible patients (n = 119) were grouped as normal (n = 60) or with mild (n = 22), moderate (n = 27), or severe (n = 10) CP on the basis of MRCP findings using the Cambridge classification as the reference standard...
January 16, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29330631/apparent-diffusion-coefficient-mapping-using-diffusion-weighted-mri-impact-of-background-parenchymal-enhancement-amount-of-fibroglandular-tissue-and-menopausal-status-on-breast-cancer-diagnosis
#3
Joao V Horvat, Manuela Durando, Soledad Milans, Sujata Patil, Jessica Massler, Girard Gibbons, Dilip Giri, Katja Pinker, Elizabeth A Morris, Sunitha B Thakur
OBJECTIVES: To investigate the impact of background parenchymal enhancement (BPE), amount of fibroglandular tissue (FGT) and menopausal status on apparent diffusion coefficient (ADC) values in differentiation between malignant and benign lesions. METHODS: In this HIPAA-compliant study, mean ADC values of 218 malignant and 130 benign lesions from 288 patients were retrospectively evaluated. The differences in mean ADC values between benign and malignant lesions were calculated within groups stratified by BPE level (high/low), amount of FGT (dense/non-dense) and menopausal status (premenopausal/postmenopausal)...
January 12, 2018: European Radiology
https://www.readbyqxmd.com/read/29314261/future-osteoporotic-fracture-risk-related-to-lumbar-vertebral-trabecular-attenuation-measured-at-routine-body-ct
#4
Scott J Lee, Peter M Graffy, Ryan D Zea, Timothy J Ziemlewicz, Perry J Pickhardt
We sought to determine if vertebral trabecular attenuation values measured on routine body CT scans obtained for a variety of unrelated indications can predict future osteoporotic fractures at multiple skeletal sites. For this HIPAA-compliant and IRB-approved retrospective cohort study, trabecular attenuation of the first lumbar vertebra was measured in 1966 consecutive older adults who underwent chest and/or abdominal CT at a single institution over the course of one year. New pathologic fragility fractures that occurred after a patient's CT study date were identified through an electronic health record database query using ICD-9 codes for vertebral, hip, and extremity fractures...
January 3, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29304376/hipaa-s-individual-right-of-access-to-genomic-data-reconciling-safety-and-civil-rights
#5
Barbara J Evans
In 2014, the United States granted individuals a right of access to their own laboratory test results, including genomic data. Many observers feel that this right is in tension with regulatory and bioethical standards designed to protect the safety of people who undergo genomic testing. This commentary attributes this tension to growing pains within an expanding federal regulatory program for genetic and genomic testing. The Genetic Information Nondiscrimination Act of 2008 expanded the regulatory agenda to encompass civil rights and consumer safety...
January 4, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29299700/emergent-spinal-mri-in-ivdu-patients-presenting-with-back-pain-do-we-need-an-mri-in-every-case
#6
Charles G Colip, Mina Lotfi, Karen Buch, Nagaraj Holalkere, Bindu N Setty
PURPOSE: Spinal MRI is the exam of choice for the workup of patients with suspected spinal infection. In this retrospective study, we assess the value of obtaining contrast-enhanced spinal MRI for patients presenting to the emergency department (ED) with acute back pain and a history of intravenous drug use (IVDU). METHODS: A retrospective IRB-approved, HIPAA compliant review of the imaging findings, reports and electronic charts of 167 consecutive IV drug-using patients (M/F = 96:71, mean age = 40 years) that presented to the ED with acute back pain over a 55-month period and underwent contrast-enhanced spinal MRI within 24 h...
January 3, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29284494/ferumoxytol-enhanced-black-blood-cardiovascular-magnetic-resonance-imaging
#7
Kim-Lien Nguyen, Eun-Ah Park, Takegawa Yoshida, Peng Hu, J Paul Finn
BACKGROUND: Bright-blood and black-blood cardiovascular magnetic resonance (CMR) techniques are frequently employed together during a clinical exam because of their complementary features. While valuable, existing black-blood CMR approaches are flow dependent and prone to failure. We aim to assess the effectiveness and reliability of ferumoxytol enhanced (FE) Half-Fourier Single-shot Turbo Spin-echo (HASTE) imaging without magnetization preparation pulses to yield uniform intra-luminal blood signal suppression by comparing FE-HASTE with pre-ferumoxytol HASTE imaging...
December 28, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29279295/financial-implications-of-revised-acr-guidelines%C3%A2-for-estimated-glomerular-filtration-rate%C3%A2-testing-before-contrast-enhanced-mri
#8
Prasad R Shankar, Kushal Parikh, Matthew S Davenport
PURPOSE: To quantify the financial implications of eliminating the need for renal function screening before contrast-enhanced MRI. METHODS: A HIPAA-complaint, institutional review board-exempt retrospective analysis was conducted of all MRI examinations performed at our quaternary care center over a 12-month period (41,336 examinations; 28,970 with contrast). Examination volume-related data, labor costs, and material costs were assessed and applied to a base case model...
December 23, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29276962/association-between-misty-mesentery-with-baseline-or-new-diagnosis-of-cancer-a-matched-cohort-study
#9
Sivan G Marcus, Susana Candia, Marc D Kohli, John Mongan, Ronald J Zagoria, Spencer C Behr, Derek Sun, Antonio C Westphalen
We compared the prevalence of a baseline diagnosis of cancer in patients with and without misty mesentery (MM) and determined its association with the development of a new cancer. This was a retrospective, HIPAA-compliant, IRB-approved case-control study of 148 cases and 4:1 age- and gender-matched controls. Statistical tests included chi-square, t-test, hazard models, and C-statistic. Patients with MM were less likely to have cancer at baseline (RR=0.74, p=0.003), but more likely to develop a new malignancy on follow-up (RR=2...
December 15, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29261347/common-first-pass-ct-angiography-findings-associated-with-rapid-growth-rate-in-abdominal-aorta-aneurysms-between-3-and-5-cm-in-largest-diameter
#10
Ayaz Aghayev, Andreas A Giannopoulos, Jessica Gronsbell, Elizabeth George, Tianxi Cai, Michael L Steigner, Dimitrios Mitsouras, Frank J Rybicki
OBJECTIVE: The purpose of this study was to describe CT angiography (CTA) findings of lumen contrast heterogeneity and intraluminal thrombus volume and to evaluate their relationship with rapid aneurysm growth in patients with abdominal aortic aneurysms (AAA) between 3 and 5 cm. MATERIALS AND METHODS: This institutional review board-approved and HIPAA-compliant single-center retrospective study included CTA studies obtained between January 2004 and December 2014 in 140 patients with AAA (101 men, 39 women; mean age ± SD, 70 ± 9 years old; age range, 22-87 years old)...
December 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29251387/utilization-of-multiple-savi-scout-surgical-guidance-system-reflectors-in-the-same-breast-a-single-institution-feasibility-study
#11
Priya H Jadeja, Victoria Mango, Sejal Patel, Lauren Friedlander, Elise Desperito, Everick Ayala-Bustamante, Ralph Wynn, Margaret Chen-Seetoo, Bret Taback, Sheldon Feldman, Richard Ha
SAVI SCOUT Surgical Guidance System has been shown to be a reliable and safe alternative to wire localization in breast surgery. This study evaluated the feasibility of using multiple reflectors in the same breast. We performed an IRB-approved, HIPAA-compliant, single-institution retrospective review of 183 patients who underwent breast lesion localization and excision using SAVI SCOUT Surgical Guidance System (Cianna Medical) between June 2015 and January 2017. We performed a subset analysis in 42 patients in whom more than one reflector was placed...
December 18, 2017: Breast Journal
https://www.readbyqxmd.com/read/29247353/structured-vs-narrative-reporting-of-pelvic-mri-for-fibroids-clarity-and-impact-on-treatment-planning
#12
Andrea Franconeri, Jieming Fang, Benjamin Carney, Almamoon Justaniah, Laura Miller, Hye-Chun Hur, Louise P King, Roa Alammari, Salomao Faintuch, Koenraad J Mortele, Olga R Brook
OBJECTIVES: To evaluate clarity and usefulness of MRI reporting of uterine fibroids using a structured disease-specific template vs. narrative reporting for planning of fibroid treatment by gynaecologists and interventional radiologists. METHODS: This is a HIPAA-compliant, IRB-approved study with waiver of informed consent. A structured reporting template for fibroid MRIs was developed in collaboration between gynaecologists, interventional and diagnostic radiologists...
December 15, 2017: European Radiology
https://www.readbyqxmd.com/read/29238444/user-authentication-in-smartphones-for-telehealth
#13
Katherine A Smith, Leming Zhou, Valerie J M Watzlaf
Many functions previously conducted on desktop computers are now performed on smartphones. Smartphones provide convenience, portability, and connectivity. When smartphones are used in the conduct of telehealth, sensitive data is invariably accessed, rendering the devices in need of user authentication to ensure data protection. User authentication of smartphones can help mitigate potential Health Insurance Portability and Accountability Act (HIPAA) breaches and keep sensitive patient information protected, while also facilitating the convenience of smartphones within everyday life and healthcare...
2017: International Journal of Telerehabilitation
https://www.readbyqxmd.com/read/29225061/crowdsourcing-disease-biomarker-discovery-research-the-ip4ic-study
#14
Michael B Chancellor, Sarah N Bartolone, Andrew Veerecke, Laura E Lamb
PURPOSE: Biomarker discovery is limited by readily assessable, cost efficient, human samples available in large numbers that represent the entire heterogeneity of the disease. We developed a novel active participation crowdsourcing method to develop a Bladder Permeability Defect Risk Score (BP-RS) based on non-invasive urinary cytokines to discriminate Interstitial cystitis/bladder pain syndrome (IC/BPS) with Hunner's lesion (UIC) patients from controls and IC patients without Hunner's lesions...
December 7, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29215311/classification-of-breast-cancer-from-ultrasound-imaging-using-a-generic-deep-learning-analysis-software-a-pilot-study
#15
Anton S Becker, Michael Mueller, Elina Stoffel, Magda Marcon, Soleen Ghafoor, Andreas Boss
PURPOSE: To train a generic deep learning software (DLS) to classify breast cancer on ultrasound images and to compare its performance to human readers with variable breast imaging experience. METHODS: In this IRB-approved, HIPAA compliant, retrospective study, all breast ultrasound examinations from January 1, 2014, to December 31, 2014 were reviewed. Patients with postsurgical scars, initially indeterminate, or malignant lesions with histological diagnoses or 2-year follow-up were included...
December 7, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29208620/impact-of-electronic-clinical-decision-support-on-adherence-to-guideline-recommended-treatment-for-hyperlipidaemia-atrial-fibrillation-and-heart-failure-protocol-for-a-cluster-randomised-trial
#16
Maya Elizabeth Kessler, Rickey E Carter, David A Cook, Daryl Jon Kor, Paul M McKie, Laurie J Pencille, Marianne R Scheitel, Rajeev Chaudhry
INTRODUCTION: Clinical practice guidelines facilitate optimal clinical practice. Point of care access, interpretation and application of such guidelines, however, is inconsistent. Informatics-based tools may help clinicians apply guidelines more consistently. We have developed a novel clinical decision support tool that presents guideline-relevant information and actionable items to clinicians at the point of care. We aim to test whether this tool improves the management of hyperlipidaemia, atrial fibrillation and heart failure by primary care clinicians...
December 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/29206595/assessment-of-response-to-transcatheter-arterial-chemoembolization-with-doxorubicin-eluting-microspheres-tumor-biology-and-hepatocellular-carcinoma-recurrence-in-a-5-year-transplant-cohort
#17
Tyler A Sandow, Stephen E Arndt, Abeer A Albar, Daniel A DeVun, David S Kirsch, Juan M Gimenez, Humberto E Bohorquez, Patrick J Gilbert, Paul T Thevenot, Kelley G Nunez, Gretchen A Galliano, Ari J Cohen, Dennis Kay, Paul M Gulotta
Purpose To assess response to transcatheter arterial chemoembolization (TACE) based on immune markers and tumor biology in patients with hepatocellular carcinoma (HCC) who were bridged to liver transplantation, and to produce an optimized pretransplantation model for posttransplantation recurrence risk. Materials and Methods In this institutional review board-approved HIPAA-compliant retrospective analysis, 93 consecutive patients (73 male, 20 female; mean age, 59.6 years; age range, 23-72 years) underwent TACE with doxorubicin-eluting microspheres (DEB) (hereafter, DEB-TACE) and subsequently underwent transplantation over a 5-year period from July 7, 2011, to May 16, 2016...
December 4, 2017: Radiology
https://www.readbyqxmd.com/read/29198006/characteristics-of-pi-rads-4-lesions-within-the-prostatic-peripheral-zone-a-retrospective-diagnostic-accuracy-study-evaluating-170-lesions
#18
Prasad R Shankar, Nicole E Curci, Matthew S Davenport
PURPOSE: To determine whether peripheral zone PI-RADS 4 observations can be further risk-stratified. METHODS: This was an IRB-approved HIPAA-compliant retrospective diagnostic accuracy study. Peripheral zone PI-RADS 4 observations prospectively identified at the study institution from 8/1/2015 to 12/31/2016 (n = 170 in 149 mpMRIs) were reviewed independently by two blinded genitourinary radiologists on the basis of (a) PI-RADS v2 shape, (b) pattern of peripheral zone sparing, and (c) rationale for PI-RADS 4 designation...
December 2, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29196856/tin-filtered-low-dose-chest-ct-to-quantify-macroscopic-calcification-burden-of-the-thoracic-aorta
#19
Christoph Schabel, Daniele Marin, Dominik Ketelsen, Alfredo E Farjat, Georg Bier, Mario Lescan, Fabian Bamberg, Konstantin Nikolaou, Malte N Bongers
OBJECTIVES: To compare a low-dose, tin-filtered, nonenhanced, high-pitch Sn100 kVp CT protocol (Sn100) with a standard protocol (STP) for the detection of calcifications in the ascending aorta in patients scheduled for cardiac surgery. METHODS: Institutional Review Board approval for this retrospective study was waived and the study was HIPAA-compliant. The study included 192 patients (128 men; age 68.8 ± 9.9 years), of whom 87 received the STP and 105 the Sn100 protocol...
December 1, 2017: European Radiology
https://www.readbyqxmd.com/read/29189102/changes-in-signal-intensity-of-the-dentate-nucleus-and-globus-pallidus-in-pediatric-patients-impact-of-brain-irradiation-and-presence-of-primary-brain-tumors-independent-of-linear-gadolinium-based-contrast-agent-administration
#20
Benita Tamrazi, Binh Nguyen, Chia-Shang J Liu, Colleen G Azen, Mary B Nelson, Girish Dhall, Marvin D Nelson
Purpose To determine whether whole-brain irradiation, chemotherapy, and primary brain pathologic conditions affect magnetic resonance (MR) imaging signal changes in pediatric patients independent of the administration of gadolinium-based contrast agents (GBCAs). Materials and Methods This institutional review board-approved, HIPAA-compliant study included 144 pediatric patients who underwent intravenous GBCA-enhanced MR imaging examinations (55 patients with primary brain tumors and whole-brain irradiation, 19 with primary brain tumors and chemotherapy only, 52 with primary brain tumors without any treatment, and 18 with neuroblastoma without brain metastatic disease)...
November 30, 2017: Radiology
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