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Current Problems in Diagnostic Radiology

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https://www.readbyqxmd.com/read/28917433/surveillance-imaging-in-patients-with-endometrial-cancer-in-first-remission
#1
Yazan Z Alabed, Su-Chun Cheng, Christopher Mudge, Christopher Sakellis, Annick D Van den Abbeele, Susana M Campos, Heather A Jacene
OBJECTIVE: The clinical benefit of surveillance imaging in endometrial cancer remains undefined. This retrospective study was conducted to evaluate the positive predictive value (PPV) of surveillance imaging in endometrial cancer. METHODS: A total of 128 patients in first remission after treatment for endometrial cancer (uterine papillary serous, clear cell, stage III endometroid) who had surveillance imaging were retrospectively identified. The surveillance period was defined from the time of first-negative scan after treatment to the time when treatment was started for recurrent disease...
August 24, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28844319/review-of-extraskeletal-activity-on-tc-99m-methylene-diphosphonate-bone-scintigraphy-and-value-of-cross-sectional-and-spect-ct-imaging-correlation
#2
REVIEW
Mohammed Bermo, Sanaz Behnia, Joanna Fair, Robert S Miyaoka, Saeed Elojeimy
Recognizing the different mechanisms and imaging appearance of extraskeletal Tc-99m methylene diphosphonate uptake enhances the diagnostic value of bone scan interpretation. In this article, we present a pictorial review of the different mechanisms of extraskeletal Tc-99m methylene diphosphonate uptake on bone scintigraphy including neoplastic, inflammatory, ischemic, traumatic, excretory, and iatrogenic. We also illustrate through case examples the added value of correlation with cross-sectional and single photon emission computed tomography and computed tomography imaging in localizing and characterizing challenging cases of extraskeletal uptake...
July 31, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28869104/diffusion-tensor-imaging-of-the-spinal-cord-clinical-value-investigational-applications-and-technical-limitations
#3
REVIEW
Aaron M Rutman, Daniel J Peterson, Wendy A Cohen, Mahmud Mossa-Basha
Although diffusion-weighted imaging (DWI) has become a mainstay in modern brain imaging, it remains less utilized in the evaluation of the spinal cord. Many studies have shown promise in using DWI and diffusion-tensor imaging (DTI) for evaluation of the spinal cord; however, application has been stalled by technical obstacles and artifacts, and questions remain regarding its clinical utility on an individual examination level. This review discusses the background, concepts, and technical aspects of DWI and DTI, specifically for imaging of the spinal cord...
July 29, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28843639/characteristics-of-the-most-recently-awarded-magnetic-resonance-imaging-patents-in-the-united-states
#4
REVIEW
Sushma Gaddam, Gregory Lemberskiy, Andrew B Rosenkrantz
PURPOSE: To characterize recent magnetic resonance imaging (MRI) technical development and innovation based on data regarding MRI-related patents awarded in 2016. METHODS: The US Patent and Trademark Office website was searched for patents awarded in 2016 and an abstract containing "magnetic resonance." Patent characteristics were summarized. An MRI physicist classified patents' themes. RESULTS: A total of 423 MRI-related patents were awarded in 2016...
July 29, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28830622/common-and-uncommon-causes-of-ventriculoperitoneal-shunt-malfunction-diagnosed-on-plain-radiographs
#5
REVIEW
Phillip Bates, Dhanashree Rajderkar
Thousands of patients with hydrocephalus are treated successfully with ventriculoperitoneal shunts. Ventriculoperitoneal shunts are known to have high malfunction rates, most of which are owing to mechanical causes. When shunt malfunction is suspected, shunt series are often performed to evaluate the mechanical causes of malfunction. These initial radiographs have proven critical in guiding subsequent management. This article is designed to review the various causes of shunt malfunction that can be diagnosed with radiographs...
July 29, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28751106/altmetrics-a-measure-of-social-attention-toward-scientific-research
#6
Akshay D Baheti, Puneet Bhargava
The quality and effect of scientific research is traditionally measured by citation-based metrics. However, the internet and social media revolution has led to radical changes in the way scientific information is shared and how it affects the world. Alternative metrics (altmetrics) is a rapidly evolving measure to quantify social media attention received by a scientific work. It is a complement to the conventional metrics and has tremendous potential in enabling faster alternative ways of evaluating research impact...
July 24, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28797716/radiology-trainee-vs-faculty-radiologist-fluoroscopy-time-for-imaging-guided-procedures-a-retrospective-study-of-17-966-reports-over-a-5-5-year-period
#7
REVIEW
Ariadne K DeSimone, Andrew Post, Richard Duszak, Phuong-Anh T Duong
To evaluate differences in fluoroscopy time (FT) for common vascular access and gastrointestinal procedures performed by radiology trainees vs faculty radiologists. Report information was extracted for all 17,966 index fluoroscopy services performed by trainees or faculty, or both from 2 university hospitals over 66 months. Various vascular access procedures (eg, peripherally inserted central catheters [PICCs] and ports) and gastrointestinal fluoroscopy procedures (eg, upper gastrointestinal and contrast enema studies) were specifically targeted...
July 8, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28779881/pediatric-skeletal-scintigraphy-what-a-general-radiologist-needs-to-know
#8
Fathima Fijula Palot Manzil, Jon Baldwin, Asim Kumar Bag
Pediatric skeletal scintigraphy is a noninvasive imaging modality which aids in functional as well as anatomic evaluation of bone. Bone scintigraphy plays a major role in diagnosis and evaluation of various benign, primary malignant and metastatic pediatric bone pathologies. The advantage of bone scan is that it becomes positive well before the bone pathology is evident on radiographs and specifically the entire skeleton can be imaged in a single examination. Pediatric bone scintigraphy evaluation can be challenging to the general radiologist not routinely exposed to the study, as the growing skeleton is quite different from a mature skeleton especially at or near the growth plates...
July 8, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28774661/current-techniques-and-clinical-applications-of-computed-tomography-urography
#9
REVIEW
Vijay Krishnan, Ashish Chawla, Kedar G Sharbidre, Wilfred C G Peh
From conventional radiograph to magnetic resonance urography, imaging of urinary system has evolved with variety of investigations over the past several decades with each of them having advantages and limitations of their own. In the current era, computed tomography (CT) has emerged as a preferred investigations for evaluation of the urinary tract. There are various techniques involved in performing CT urography (CTU) with triple bolus technique (TB-CTU) currently drawing a special attention because of its low radiation exposure...
July 8, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28688532/missed-case-feedback-and-quality-assurance-conferences-in-radiology-resident-education-a-survey-of-united-states-radiology-program-directors
#10
Anne E Gill, Philip K Wong, Mark E Mullins, Amanda S Corey, Brent P Little
RATIONALE AND OBJECTIVES: Diagnostic Radiology (DR) residents typically generate preliminary reports for imaging examinations, but few publications discuss feedback regarding missed or misinterpreted findings. Our goal was to determine the practices of United States DR residencies with respect to missed case feedback, including the role of Quality Assurance (QA) conferences. MATERIALS AND METHODS: A 23-item survey containing multiple-choice questions and several free text fields was created and hosted on SurveyMonkey(R)...
July 5, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28734572/experience-of-the-implementation-of-rapid-on-site-evaluation-in-ultrasound-guided-fine-needle-aspiration-biopsy-of-thyroid-nodules
#11
Flor Marina Medina Chamorro, José Abella Calle, Juliana Escobar Stein, Lina Merchancano, Andrés Mauricio Mendoza Briñez, Andrés Arturo Pulido Wilches
OBJECTIVE: To evaluate the effect of the implementation of the rapid on-site evaluation (ROSE) technique in ultrasound-guided fine-needle aspiration biopsy of thyroid nodules. MATERIALS AND METHODS: We conducted an observational and retrospective study approved by the Institutional Ethics Committee as an investigation without risk. Between January 2012 and December 2015, 892 ultrasound-guided fine-needle aspiration biopsy procedures were performed under ultrasound guidance...
June 27, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28735620/let-s-make-academic-radiology-great-again
#12
EDITORIAL
Michael N Patlas, Nataly Farshait, Jason N Itri
No abstract text is available yet for this article.
September 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28641820/using-twitter-to-amplify-your-presence-during-radiology-meetings
#13
Puneet Bhargava
No abstract text is available yet for this article.
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28318763/pancreatic-carcinosarcoma-a-case-report-highlighting-computed-tomography-characteristics
#14
Steven Mszyco, Leslie Teng, Joseph Annunziata, Matthew S Hartman
Primary pancreatic carcinosarcoma is a rare and malignant neoplasm arising within the pancreas. With fewer than a dozen cases ever reported, the recognition and treatment of this rare phenomenon can be difficult. We describe the case of an 85-year-old man who presented with vague right upper quadrant and epigastric abdominal pain and was found to have a pancreatic mass on ultrasound and computed tomography. The patient underwent open pancreaticoduodenectomy and was found to have pancreatic carcinosarcoma on microscopic evaluation...
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28215519/repeatability-of-computerized-tomography-based-anthropomorphic-measurements-of-frailty-in-patients-with-pulmonary-fibrosis-undergoing-lung-transplantation
#15
Taylor McClellan, Brian C Allen, Matthew Kappus, Lubna Bhatti, Randa A Dafalla, Laurie D Snyder, Mustafa R Bashir
PURPOSE: To determine interreader and intrareader repeatability and correlations among measurements of computerized tomography-based anthropomorphic measurements in patients with pulmonary fibrosis undergoing lung transplantation. METHODS: This was an institutional review board-approved, Health Insurance Portability and Accountability Act-compliant retrospective study of 23 randomly selected subjects (19 male and 4 female; median age = 69 years; range: 66-77 years) with idiopathic pulmonary fibrosis undergoing pulmonary transplantation, who had also undergone preoperative thoracoabdominal computerized tomography...
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28185691/thoracic-ultrasound-technique-applications-and-interpretation
#16
REVIEW
Suraj H Rambhia, Catherine A D'Agostino, Ali Noor, Robert Villani, Jason J Naidich, John S Pellerito
Thoracic ultrasound is used at the bedside in emergency and critical care settings. Advantages of ultrasound include rapid real-time, low-cost, diagnostic information that can direct patient care without the use of ionizing radiation. We describe methods on how to perform lung ultrasound, with the intent to educate the radiologist who might otherwise be relatively unfamiliar with thoracic sonography. We describe and depict the normal sonographic appearance of lung anatomy. We also show the sonographic appearance of a wide range of lung and pleural pathologies such as pneumonia, pneumothorax, as well as lung and pleural masses...
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28185689/imaging-of-acute-pelvic-pain-in-girls-ovarian-torsion-and-beyond-%C3%A2
#17
REVIEW
Lena Naffaa, Tejaswini Deshmukh, Shanthan Tumu, Chris Johnson, Kevin P Boyd, Arthur B Meyers
Identifying the etiology of acute pelvic pain in girls is often clinically challenging. Particularly in young girls, it is often difficult to determine if acute pelvic symptoms are originating from a gynecologic source or from a genitourinary or gastrointestinal etiology based on the child's clinical examination alone. Therefore, imaging plays a key role in establishing a diagnosis and in directing medical and surgical treatment. Pediatric gynecologic conditions, which can present acutely with pain or mass or both include ovarian torsion, hematometrocolpos, pelvic inflammatory disease, inguinal hernias containing an ovary or the uterus or both, adnexal cysts, pregnancy, vaginal foreign bodies, and ovarian vein thrombosis...
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28159371/challenges-in-interpretation-of-staging-pet-ct-in-thoracic-malignancies
#18
REVIEW
Girish S Shroff, Brett W Carter, Chitra Viswanathan, Marcelo F Benveniste, Carol C Wu, Edith M Marom, Osama R Mawlawi, Mylene T Truong
(18)F-fluorodeoxryglucose ((18)F-FDG) PET/CT imaging is routinely performed in the evaluation of patients with known or suspected thoracic malignancy. Indications for its use include staging of malignancy, assessment of response to therapy, evaluation of suspected disease recurrence, and evaluation of a solitary pulmonary nodule. In this article, we will discuss specific technical artifacts and also review potential pitfalls in the interpretation of PET/CT in thoracic malignancies including normal variations in physiologic uptake of FDG, benign conditions (such as infection, inflammation, posttreatment changes, and iatrogenic factors) that can result in increased FDG uptake, and malignancies that demonstrate scarce to no FDG uptake...
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28104315/implementing-a-structured-reporting-initiative-using-a-collaborative-multistep-approach
#19
Shlomit Goldberg-Stein, William R Walter, E Stephen Amis, Meir H Scheinfeld
PURPOSE: To describe the successful implementation of a structured reporting initiative in a large urban academic radiology department. METHODS: We describe our process, compromises, and top 10 lessons learned in overhauling traditional reporting practices and comprehensively implementing structured reporting at our institution. To achieve our goals, we took deliberate steps toward consensus building, undertook multistep template refinement, and achieved close collaboration with the technical staff, department coders, and hospital information technologists...
July 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28069355/double-fellowships-in-radiology-a-survey-of-2014-graduating-fellows
#20
Thomas Y Wong, Andrew Moriarity, Neil Lall, Jason C Hoffmann, Douglas S Katz, Jonathan A Flug
PURPOSE: Radiology fellowship training has evolved from being an uncommon option to being a near requisite for post-training employment in the United States. A subset of fellows elect to pursue second fellowships with potentially substantial implications on both the private sector and academic radiology workforce. The purpose of this study was to assess the proportion of current radiology fellows pursuing multiple years of post-residency fellowship training. MATERIALS AND METHODS: After obtaining IRB approval, an anonymous web-based survey was emailed to 1,269 radiology fellows listed as "completing fellowship" in the American College of Radiology database in June 2014...
July 2017: Current Problems in Diagnostic Radiology
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