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AJR. American Journal of Roentgenology

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https://www.readbyqxmd.com/read/28726508/optimizing-mri-logistics-prospective-analysis-of-performance-efficiency-and-patient-throughput
#1
Kevin Beker, Alejandro Garces-Descovich, Jason Mangosing, Ines Cabral-Goncalves, Donna Hallett, Koenraad J Mortele
OBJECTIVE: The objective of this study is to optimize MRI logistics through evaluation of MRI workflow and analysis of performance, efficiency, and patient throughput in a tertiary care academic center. SUBJECTS AND METHODS: For 2 weeks, workflow data from two outpatient MRI scanners were prospectively collected and stratified by value added to the process (i.e., value-added time, business value-added time, or non-value-added time). Two separate time cycles were measured: the actual MRI process cycle as well as the complete length of patient stay in the department...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726507/qualitative-and-quantitative-assessment-of-abdominal-and-pelvic-ct-image-quality-using-iopromide-with-different-concentrations-of-iodine-300-and-370-mg-i-ml
#2
Weixia Chen, Zhenlin Li, Tao Shuai, Lingling Qian, Liping Deng, Kai Liao, Kai Zhang, Bangsheng Jia, Bin Song
OBJECTIVE: The purpose of this study was to analyze the quality of MDCT images obtained using iopromide with two different concentrations of iodine (300 and 370 mg I/mL) in daily clinical settings. SUBJECTS AND METHODS: Patients from 38 hospitals in China undergoing abdominal or pelvic CT with iopromide were prospectively recruited. MDCT was performed using iopromide with an iodine concentration of 300 or 370 mg I/mL. CT quality image was graded as excellent, good, adequate, and poor...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726506/maximizing-value-through-innovations-in-radiologist-driven-communications-in-breast-imaging
#3
Christoph I Lee, Janie M Lee
OBJECTIVE: The purposes of this article are to provide an overview of current and emerging practices in radiologist communications with both referring physicians and patients across the breast cancer care continuum; to highlight areas in which radiologist-driven communications can improve value in breast cancer screening, diagnosis, and treatment; and describe how the integrative reporting and consultative practices of breast imagers can serve as models of higher-value patient-centered care in other radiology subspecialties...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726505/renal-angiomyolipoma-radiologic-classification-and-imaging-features-according-to-the-amount-of-fat
#4
Byung Kwan Park
OBJECTIVE: The purposes of this article are to introduce the radiologic classifications of renal angiomyolipoma (AML) and the clinical implications, to show the imaging features of each type of AML, and to describe which types of AML should be biopsied. CONCLUSION: Renal AML can be classified according to amount of fat as fat rich, fat poor, or fat invisible. To detect fat, one needs to thoroughly evaluate the entire AML by controlling the size and shape of the ROI...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726504/informal-consultations-between-radiologists-and-referring-physicians-as-identified-through-an-electronic-medical-record-search
#5
Eugene Won, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study is to assess informal consultations between radiologists and referring physicians as identified through an electronic medical record (EMR) search. MATERIALS AND METHODS: The EMR was searched for physician notes containing either the term "radiologist" or "radiology" in combination with any of the following: "second opinion," "second-opinion," "2nd opinion," "2nd-opinion," "rereview," "re-review," "reread," "re-read," "overread," "over-read," "spoke with," "discussed with," or "reviewed with...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726503/online-portals-gateway-to-patient-centered-radiology
#6
Ron Gefen, Michael A Bruno, Hani H Abujudeh
OBJECTIVE: Online portals typically allow access to radiology reports, causing a shift in the communication. This article evaluates the studies available in the literature about patient portals and the use of patient portals in radiology. Patient and physician preferences and the impact on radiology reporting are presented. CONCLUSION: Patient portals provide an opportunity for radiologists to engage with their patients via a new method of communication. Radiologist collaboration with referring physicians is important in providing care in accordance with patient preferences...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705069/characterization-of-incidental-renal-mass-with-dual-energy-ct-diagnostic-accuracy-of-effective-atomic-number-maps-for-discriminating-nonenhancing-cysts-from-enhancing-masses
#7
Achille Mileto, Brian C Allen, Jason A Pietryga, Alfredo E Farjat, Jessica G Zarzour, Davide Bellini, Lukas Ebner, Desiree E Morgan
OBJECTIVE: The purpose of this study was to assess the diagnostic accuracy of effective atomic number maps reconstructed from dual-energy contrast-enhanced data for discriminating between nonenhancing renal cysts and enhancing masses. MATERIALS AND METHODS: Two hundred six patients (128 men, 78 women; mean age, 64 years) underwent a CT renal mass protocol (single-energy unenhanced and dual-energy contrast-enhanced nephrographic imaging) at two different hospitals...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705068/quantifying-the-susceptibility-variation-of-normal-appearing-white-matter-in-multiple-sclerosis-by-quantitative-susceptibility-mapping
#8
Weiwei Chen, Yan Zhang, Ketao Mu, Chu Pan, Susan A Gauthier, Wenzhen Zhu, Yi Wang
OBJECTIVE: The purpose of this study is to evaluate the magnetic susceptibility of normal-appearing white matter (NAWM) in patients with multiple sclerosis (MS) using quantitative susceptibility mapping. MATERIALS AND METHODS: Ninety-four patients with relapse-remitting MS (RRMS) (37 with gadolinium-enhancing lesions and 57 with only gadolinium-nonenhancing lesions) and 55 healthy control subjects were included in this retrospective study. The susceptibility values of NAWM relative to CSF in patients with MS were compared with those of white matter (WM) in healthy control subjects and were correlated with the patient status of gadolinium-enhancing lesions, disease duration, and expanded disability status scale scores...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705067/pancreatic-elastography-from-acoustic-radiation-force-impulse-imaging-for-evaluation-of-diabetic-microangiopathy
#9
Yu He, Hui Wang, Xiao Ping Li, Juan-Juan Zheng, Chun-Xiang Jin
OBJECTIVE: The purposes of this study were to compare pancreatic shear-wave velocity (SWV) in subjects with and those without diabetic microvascular complications and to investigate the feasibility of pancreatic SWV in evaluating diabetic microangiopathy. SUBJECTS AND METHODS: SWV measurements were prospectively performed in 115 patients with diabetes mellitus and 115 healthy persons by use of acoustic radiation force impulse imaging. Patients with diabetes were divided into subgroups with and without microangiopathy...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705066/primary-cystic-lesions-of-the-retrorectal-space-mri-evaluation-and-clinical-assessment
#10
Roy S Dwarkasing, Sylvia I Verschuuren, Geert J L H van Leenders, Loes M M Braun, Gabriel P Krestin, W Rudolph Schouten
OBJECTIVE: The purpose of this study was to assess the a priori chance that primary cystic lesions of the retrorectal space are malignant and to investigate MRI characteristics that indicate malignancy. MATERIALS AND METHODS: Patients referred to a center for colorectal surgery were recruited from 2000 to 2014. Lesions were proven by clinical assessment and histopathology. MRI was performed at 1.5 T with examinations evaluated by two radiologists. Interobserver agreement was assessed (Cohen kappa) and differences between malignant and benign lesions calculated (Fisher exact test)...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705065/medicolegal-malpractice-and-ethical-issues-in-radiologyyou-re-sued-for-malpractice-will-your-malpractice-insurance-company-s-appointed-defense-attorney-defend-you-or-the-company
#11
https://www.readbyqxmd.com/read/28705064/validation-of-prostate-imaging-reporting-and-data-system-version-2-using-an-mri-ultrasound-fusion-biopsy-in-prostate-cancer-diagnosis
#12
See Hyung Kim, Mi Sun Choi, Mi Jung Kim, Young Hwan Kim, Seung Hyun Cho
OBJECTIVE: The purpose of our study was to prospectively assess Prostate Imaging Reporting and Data System (PI-RADS) version 2 using an MRI-ultrasound fusion biopsy. SUBJECTS AND METHODS: This study included 295 consecutive patients with 478 lesions who underwent multiparametric MRI and subsequent MRI-ultrasound fusion biopsy between December 2014 and September 2016. Lesions were assessed by using an overall score of PI-RADS version 2. One radiologist assessed the presence or absence of clinically significant prostate cancer in the whole gland and in subgroups of the peripheral zone and transition zone by using cutoff values of ≥ 4 and ≥ 3...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705063/postoperative-ct-of-the-midfacial-skeleton-after-trauma-review-of-normal-appearances-and-common-complications
#13
Michael J Reiter, Ryan B Schwope, Jared M Theler
OBJECTIVE: The objective of this article is to describe the CT appearance of the midfacial skeleton after surgical repair of posttraumatic Le Fort, nasoorbitoethmoidal (NOE), and frontal sinus fractures. Several of the more commonly encountered complications will also be described. CONCLUSION: Surgery after midfacial trauma is aimed at restoring both form and function. Knowledge of the principal tenets of Le Fort, NOE, and frontal sinus fracture repair is vital for radiologists to accurately assess the adequacy of treatment on postoperative CT and provide meaningful reports for the surgeon...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705062/ankle-traction-during-mri-of-talar-dome-osteochondral-lesions
#14
Ryan Ka Lok Lee, James F Griffith, Eric K C Law, Alex W H Ng, David K W Yeung
OBJECTIVE: The objective of our study was to assess the impact of axial traction during MRI of talar dome osteochondral lesions using a small-FOV coil. SUBJECTS AND METHODS: A prospective study of 33 patients undergoing high-resolution MRI of the ankle using a microscopy coil with and without axial traction was performed. Two radiologists independently measured the tibiotalar joint space width and semiquantitatively graded intraarticular joint fluid dispersion, cartilage surface visibility of the osteochondral lesion, and cartilage surface visibility elsewhere in the tibiotalar joint before and after traction...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705061/communicating-uncertainty-in-the-radiology-report
#15
Michael A Bruno, Jonelle Petscavage-Thomas, Hani H Abujudeh
OBJECTIVE: The purposes of this article are to explore the issue of diagnostic uncertainty in radiology and how the radiology report has often fallen short in this regard and to suggest approaches that can be helpful in addressing this challenge. CONCLUSION: The practice of medicine involves a great deal of uncertainty, which is an uncomfortable reality for most physicians. Radiologists are more often than not faced with considerable diagnostic uncertainty and in their written reports are challenged to effectively communicate that uncertainty to referring physicians and others...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705060/usefulness-of-multiparametric-ultrasound-for-evaluating-structural-abnormality-of-transplanted-kidney-can-we-predict-histologic-abnormality-on-renal-biopsy-in-advance
#16
Moon Gyu Yoo, Dae Chul Jung, Young Taik Oh, Sung Yoon Park, Kyunghwa Han
OBJECTIVE: The purpose of this study was to investigate the associations between microscopic abnormalities of transplanted kidneys and sonography-based imaging biomarkers, including elasticity, venous impedance index, arterial resistive index, and size. MATERIALS AND METHODS: Between 2011 and 2015, 159 recipients underwent sonography and biopsy of a transplanted kidney at our institution; 104 adult patients were included in this study. The maximal longitudinal length on gray-scale images, arterial resistive index, and venous impedance index on Doppler images and shear wave velocity on acoustic radiation force impulse imaging or Young modulus on supersonic shear imaging were measured before biopsy...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705059/comparison-of-triple-drug-transcatheter-arterial-chemoembolization-tace-with-single-drug-tace-using-doxorubicin-eluting-beads-long-term-survival-in-313-patients
#17
Antoinette S Gomes, Phillip A Monteleone, James W Sayre, Richard S Finn, Saeed Sadeghi, Myron J Tong, Carolyn D Britten, Ronald W Busuttil
OBJECTIVE: We compared survival outcomes in 313 patients with unresectable hepatocellular carcinoma (HCC) treated with two different transcatheter arterial chemoembolization (TACE) regimens: triple-drug TACE or single-drug TACE using drug-eluting beads. MATERIALS AND METHODS: In this retrospective study, patient selection criteria were uniform. The triple-drug group (n = 166) underwent TACE using ethiodized oil with doxorubicin, cisplatin, and mitomycin-C with a microsphere embolic...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28705058/standardized-approach-for-roi-based-measurements-of-proton-density-fat-fraction-and-r2-in-the-liver
#18
Camilo A Campo, Diego Hernando, Tilman Schubert, Candice A Bookwalter, Andrew J Van Pay, Scott B Reeder
OBJECTIVE: The purpose of this study was to evaluate the reproducibility (interreviewer agreement) and repeatability (intrareviewer agreement) of ROI sampling strategies to measure chemical shift-encoded (CSE) MRI-based liver proton density fat fraction (PDFF) and R2* (1 / T2*). A secondary purpose was to standardize ROI-based liver PDFF and R2* measurements by providing a compromise between measurement reproducibility and repeatability and time burden for image analysts. MATERIALS AND METHODS: CSE data from two cohorts were retrospectively analyzed...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28678578/accuracy-of-whole-body-dwi-for-metastases-screening-in-a-diverse-group-of-malignancies-comparison-with-conventional-cross-sectional-imaging-and-nuclear-scintigraphy
#19
Samir Mustaffa Paruthikunnan, Rajagopal Kadavigere, Lakshmikanth Halegubbi Karegowda
OBJECTIVE: The purpose of this study is to assess the role of whole-body (WB) DWI as a screening modality for the detection of metastases and to compare it to conventional cross-sectional imaging modalities or nuclear scintigraphy in a population with various histopathologic malignancies. SUBJECTS AND METHODS: WB DWI and conventional imaging (CT, MRI, or scintigraphy) were performed for patients with known malignancies for metastatic workup, and these patients were followed up for a period of 1 year...
July 5, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28678577/the-evolution-of-enterprise-imaging-and-the-role-of-the-radiologist-in-the-new-world
#20
Cheryl A Petersilge
OBJECTIVE: The concept of enterprise imaging is part of the next frontier in the evolution of health care technology. Incorporating all medical images into a single location integrated with electronic medical records supports care coordination and the ideal of a comprehensive longitudinal medical record. CONCLUSION: Radiologists have tremendous value to offer in support of the new concept of enterprise imaging, which extends outside the radiology department to encompass all image producers in a health care enterprise...
July 5, 2017: AJR. American Journal of Roentgenology
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