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Current Problems in Diagnostic Radiology

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https://www.readbyqxmd.com/read/28478960/use-of-reduced-field-of-view-acquisition-to-improve-prostate-cancer-visualization-on-diffusion-weighted-magnetic-resonance-imaging-in-the-presence-of-hip-implants-report-of-2-cases
#1
Andrew B Rosenkrantz, Samir S Taneja
In patients with metallic hip implants, distortions, and other artifacts relating to the echo-planar imaging acquisition may render prostate diffusion-weighted imaging (DWI) nondiagnostic. Reduced field-of-view (rFOV) acquisition, using parallel transmission and focused excitation, is a novel DWI approach that reduces distortions and improves images quality. This article presents images from both standard and rFOV DWI acquisitions in 2 prostate cancer patients with hip implants, showing the effect of rFOV DWI for improving tumor localization...
March 18, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28476341/missed-acute-appendicitis-on-multidetector-computed-tomography-and-magnetic-resonance-imaging-legal-ramifications-challenges-and-avoidance-strategies
#2
Eitan Sosner, Michael N Patlas, Victoria Chernyak, Abraham H Dachman, Douglas S Katz
The failure to diagnose acute appendicitis (AA) is the third most common medical malpractice allegation related to gastrointestinal disease. There is a paucity of detailed data on this topic; however, publications by Whang et al and by Berlin and Berlin, which analyzed all types of malpractice suits against radiologists, have shown that the incidence of litigation has increased over time in the United States. This is likely true for cases of AA as well. The misinterpretation of cross-sectional imaging in patients with suspected appendicitis may be caused by suboptimal technique, errors of omission, i...
March 18, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28438411/magnetic-resonance-imaging-of-the-digital-nerves-of-the-hand-anatomy-and-spectrum-of-pathology
#3
REVIEW
Charles H Mitchell, Laura M Fayad, Shivani Ahlawat
Digital nerves are intrinsic to the sensory and motor function of the hand. These nerves represent the terminal ramifications of the ulnar, median, and radial nerves and are located distal to the carpal tunnel and Guyon canal. With magnetic resonance imaging, traumatic and nontraumatic abnormalities of the digital nerves can be shown with high contrast as well as high spatial resolution. Digital nerve abnormalities are most commonly posttraumatic in nature; however, infection, inflammatory, vascular malformations, and neoplasms can rarely occur...
March 6, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28434559/what-do-george-clooney-and-sarah-jessica-parker-have-in-common-big-data
#4
Toshimasa J Clark, Rebecca J Mieloszyk, Puneet Bhargava
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May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28185690/a-radiologist-s-guide-to-the-industry-a-methodical-approach-to-physician-industry-relationships-in-radiology
#5
Donald Dj Perry, Derek Khorsand, Michael McNeeley
In the last century, rapidly advancing technological innovations have become essential components of modern healthcare, increasing the frequency and necessity of interactions between physicians and industry. These interactions have the potential to bias objectivity and should be approached carefully. A recent JACR article by Harvey et al, highlighted 2014 CMS data, which reported that only 4% of radiologists had interactions with industry, coming in second lowest amongst all 19 reported specialties. However, when managed appropriately, physician-industry relationships can mutually benefit patients, research, payers, providers, hospitals and the medical industry...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28162863/the-radiologist-is-in-but-was-it-worth-the-wait-radiology-resident-note-quality-in-an-outpatient-interventional-radiology-clinic
#6
Salim E Abboud, Stephanie Soriano, Rayan Abboud, Indravadan Patel, Jon Davidson, Nami R Azar, Dean A Nakamoto
Preprocedural evaluation of patients in an interventional radiology (IR) clinic is a complex synthesis of physical examination and imaging findings, and as IR transitions to an independent clinical specialty, such evaluations will become an increasingly critical component of a successful IR practice and quality patient care. Prior research suggests that preprocedural evaluations increased patient's perceived quality of care and may improve procedural technical success rates. Appropriate documentation of a preprocedural evaluation in the medical record is also paramount for an interventional radiologist to add value and function as an effective member of a larger IR service and multidisciplinary health care team...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28089690/mri-evaluation-of-rectal-cancer-staging-and-restaging
#7
REVIEW
Courtney C Moreno, Patrick S Sullivan, Pardeep K Mittal
Magnetic resonance imaging (MRI) plays an important role in the staging and restaging of rectal cancer. Multiplanar high-resolution (≤3-mm section thickness) T2-weighted images are the primary sequences used for rectal cancer staging. No preprocedural bowel cleansing regimen, intravenous contrast material, nor endorectal coil is necessary. MRI is highly accurate for differentiating T1-T2 disease from T3 and T4 disease, an important distinction as patients with T3 and T4 tumors typically undergo preoperative neoadjuvant chemoradiation before resection...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28069356/radiology-reports-what-you-think-you-re-saying-and-what-they-think-you-re-saying
#8
Bonmyong Lee, Matthew T Whitehead
BACKGROUND: Image interpretation and translation into written language is an imperfect process. Yet, the radiology report represents the link between radiologist's opinion and patient's images. Increased access to images through remote viewing stations has made direct communication between radiologists and clinicians less commonplace. We are interested in how accurately the descriptive contents within radiology reports convey the feelings of the radiologist to the referring clinician...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28057388/evaluation-of-focused-obstetric-ultrasound-examinations-by-health-care-personnel-in-the-democratic-republic-of-congo-guatemala-kenya-pakistan-and-zambia
#9
Robert O Nathan, Jonathan O Swanson, David L Swanson, Elizabeth M McClure, Victor Lokomba Bolamba, Adrien Lokangaka, Irma Sayury Pineda, Lester Figueroa, Walter López-Gomez, Ana Garces, David Muyodi, Fabian Esamai, Nancy Kanaiza, Waseem Mirza, Farnaz Naqvi, Sarah Saleem, Musaku Mwenechanya, Melody Chiwila, Dorothy Hamsumonde, Dennis D Wallace, Holly Franklin, Robert L Goldenberg
Prior studies have suggested that obstetrical (OB) ultrasound in low- and middle-income countries has aided in detection of high-risk conditions, which in turn could improve OB management. We are participating in a cluster-randomized clinical trial of OB ultrasound, which is designed to assess the effect of basic OB ultrasound on maternal mortality, fetal mortality, neonatal mortality, and maternal near-miss in 5 low-income countries. We designed a 2-week course in basic OB ultrasound, followed by 12 weeks of oversight, to train health care professionals with no prior ultrasound experience to perform basic OB ultrasound to screen for high-risk pregnancies...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28041657/navigational-guidance-and-ablation-planning-tools-for-interventional-radiology
#10
REVIEW
Yadiel Sánchez, Arash Anvari, Anthony E Samir, Ronald S Arellano, Anand M Prabhakar, Raul N Uppot
Image-guided biopsy and ablation relies on successful identification and targeting of lesions. Currently, image-guided procedures are routinely performed under ultrasound, fluoroscopy, magnetic resonance imaging, or computed tomography (CT) guidance. However, these modalities have their limitations including inadequate visibility of the lesion, lesion or organ or patient motion, compatibility of instruments in an magnetic resonance imaging field, and, for CT and fluoroscopy cases, radiation exposure. Recent advances in technology have resulted in the development of a new generation of navigational guidance tools that can aid in targeting lesions for biopsy or ablations...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27842903/reporting-of-malposition-of-lines-and-tubes-on-portable-radiographs-using-alert-notification-of-critical-results
#11
REVIEW
Rachna Madan, LaTia D Peavy, Breland Crudup, Andetta Hunsaker
Line malposition may result in significant iatrogenic complications. Awareness of the most common types of line malposition and the frequency of significant line-related complications is an important reminder to the radiologist to look carefully at all lines, especially the devices that are most commonly subject to malposition. Alert Notification of Critical Results (ANCR) are computer-generated pages or e-mails created by the radiologist to inform referring clinicians of significant radiologic findings. The alert is logged on the computer and all data are saved for future review...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27671619/lung-hot-spot-without-corresponding-computed-tomography-abnormality-on-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-artifactual-or-real-iatrogenic-or-pathologic
#12
Yiyan Liu
Focal lung uptake without corresponding lesions or abnormalities on computed tomography (CT) scan poses a dilemma in the interpretation of fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT). A limited number of case reports have previously suggested an artifactual or iatrogenic nature of the uptake. In the present study, 8 relevant cases were included within a retrospective search of the database. Medical records were reviewed for follow-up radiological and pathologic information...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27667701/cannula-assisted-transabdominal-ultrasound-guided-inferior-vena-cava-recanalization-in-inferior-vena-cava-occlusion
#13
Shaileshkumar Garge, Shyamkumar N Keshava, Vinu Moses
We describe a novel technique for facilitating recanalization of intrahepatic inferior vena cava (IVC) via the transjugular approach in patients with short segmental hepatic IVC occlusion, where a transjugular liver biopsy cannula provides additional support to the catheter-wire combination and trans-abdominal ultrasound helps in positioning the tip of the cannula at the stump of suprahepatic IVC.
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27662771/dose-optimized-computed-tomography-for-screening-and-follow-up-of-solid-pulmonary-nodules-in-obesity-a-phantom-study
#14
Katharina Martini, Borna K Barth, Kai Higashigaito, Stephan Baumueller, Hatem Alkadhi, Thomas Frauenfelder
To determine the lowest CT radiation dose-level at maintained image-quality and high sensitivity for detection of pulmonary-nodules in obesity. Single-energy CT with tin-filtration was performed in a chest-phantom with solid pulmonary-nodules simulating over-weight and obesity. CTDIvol of the standard-protocol was 0.41 mGy, subsequent scans were obtained at 1/2 and 1/4 dose-levels. Images were reconstructed using FBP and advanced-modeled iterative reconstruction (ADMIRE). Noise, image-quality, and sensitivity for nodule-detection were assessed...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27659239/benign-metastasizing-leiomyoma
#15
Hazel Asumu, Yvonne Estrin, Tan Lucien Mohammed, Nupur Verma
Benign metastasizing leiomyoma is a rare diagnosis in women with history of uterine leiomyomata. Distant metastasis may occur anywhere but is most commonly seen to the lungs. The age of presentation is often young to mid age, with patients often having a history of hysterectomy or myomectomy for uterine leiomyomata. The clinical course of these patients is most often indolent. However, the size and number of nodules can result in pulmonary symptoms. Differentiating benign metastasizing leiomyoma from malignant metastatic disease, including from leiomyosarcoma, is important to avoid unnecessary procedures or delayed treatment...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27450772/diseases-and-syndromes-that-affect-the-lungs-and-the-kidneys-a-radiologic-review
#16
REVIEW
Mark M Hammer, Anup S Shetty, Elizabeth F Sheybani, Sanjeev Bhalla
A number of different conditions simultaneously affect both the lungs and the kidneys. These include autoimmune disorders and genetic tumor syndromes. Although manifestations within either organ system alone may not be specific, by observing the pattern of involvement and clinical history, radiologists may be able to suggest the correct diagnosis.
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/27318411/a-private-investigation-radiologic-pathologic-correlation-of-testicular-tumors
#17
REVIEW
Arash Bedayat, Byron Y Chen, Morris Hayim, Larry Zheng, Staci M Gagne, Lacey J Mcintosh, April C Deng, Hao S Lo
To review the classification of testicular tumors, describe the sonographic and pathologic features of each tumor type, and discuss the mimics, diagnostic pitfalls, and management of testicular tumors. Method consists of pictorial review. We review sonographic and pathologic findings of several testicular tumors and tumorlike entities. Although ultrasound is the first-line imaging modality to differentiate between intratesticular and extratesticular location of an intrascrotal mass, it is not specific for intratesticular lesion characterization...
May 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28237007/extreme-pareto-the-one-thing
#18
EDITORIAL
P Bhargava
No abstract text is available yet for this article.
March 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28104316/creating-and-sustaining-a-successful-fellowship-program-challenges-and-solutions
#19
Keith D Herr, Tarek N Hanna, Bharti Khurana, Jamlik-Omari Johnson, Aaron D Sodickson
Subspecialty expertise and fellowship training are two of the most desirable attributes in new radiology hires and, not surprisingly, the vast majority of diagnostic radiologists entering the job market today have had fellowship training. Fellowship training imparts not only expertise beyond that which is attainable during residency, but also a unique opportunity for professional maturation. In this article, we offer guidance in planning, building and sustaining a successful fellowship. The key steps in this process include strategic planning, development of a curriculum that can be customized to meet the educational goals of any individual fellow, professional development and trainee preparation for the marketplace, and approaches to ensure program longevity and success through local, regional and national fellow recruitment efforts...
March 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28062089/structured-reporting-of-magnetic-resonance-enterography-for-pediatric-crohn-s-disease-effect-on-key-feature-reporting-and-subjective-assessment-of-disease-by-referring-physicians
#20
Benjamin Wildman-Tobriner, Brian C Allen, Joseph T Davis, Chad M Miller, Gary R Schooler, Nancy M McGreal, Reinaldo Quevedo, Julie K Thacker, Tracy A Jaffe
PURPOSE: To objectively compare the content of structured reports (SR) vs nonstructured reports (NSR) for magnetic resonance enterography (MRE) of pediatric patients with Crohn's disease, and to evaluate referring clinicians' subjective assessment of reports. METHODS: This institutional review board-approved, Health Insurance Portability and Accountability Act-compliant retrospective study included 25 pediatric subjects (15 male, 10 female; mean age = 14 years [range: 9-18 years]) with Crohn's disease imaged with MRE...
March 2017: Current Problems in Diagnostic Radiology
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