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Current Problems in Diagnostic Radiology

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https://www.readbyqxmd.com/read/28392205/radiofrequency-vs-microwave-ablation-after-neoadjuvant-transarterial-bland-and-drug-eluting-microsphere-chembolization-for-the-treatment-of-hepatocellular-carcinoma
#1
Lindsay M Thornton, Roniel Cabrera, Melissa Kapp, Michael Lazarowicz, Jeffrey D Vogel, Beau B Toskich
AIM: To retrospectively compare the initial response, local recurrence, and complication rates of radiofrequency ablation (RFA) vs microwave ablation (MWA) when combined with neoadjuvant bland transarterial embolization (TAE) or drug-eluting microsphere chemoembolization (TACE) for the treatment of hepatocellular carcinoma (HCC). METHODS: A total of 35 subjects with Barcelona Clinic Liver Cancer (BCLC) very early and early-stage HCC (range: 1.2-4.1cm) underwent TAE (23) or TACE (12) with RFA (15) or microwave ablation (MWA) (20) from January 2009 to June 2015 as either definitive therapy or a bridge to transplant...
February 20, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28410849/research-mentorship-for-our-residents-and-fellows-a-vital-supplement-for-the-health-of-our-specialty
#2
Silvia D Chang, Savvas Nicolaou, Bruce B Forster
In this article, we discuss the importance of mentorship in Radiology and more specifically mentorship in Radiology research to help ensure the advancement of our specialty. We also describe how research mentorship is conducted at our institution.
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28410848/improving-access-to-image-guided-procedures-at-an-integrated-rural-critical-access-hospital-ultrasound-guided-thyroid-biopsy-program
#3
Thang Q Le, Yadiel Sánchez, Alexander S Misono, Sanjay Saini, Anand M Prabhakar
PURPOSE: Critical access hospitals face difficulty providing all services locally and may need to refer patients off-site for additional care. Providing on-site minimally invasive biopsies, may obviate visits to tertiary or quaternary care centers. This study aims to assess feasibility and outcomes of an ultrasound-guided thyroid biopsy program in a critical access hospital. METHODS: In this HIPAA compliant, IRB approved study, the Interventional Radiology (IR) database of a 19-bed, island, rural, critical access hospital without onsite pathology services affiliated with our quaternary care institution was retrospectively reviewed to identify all thyroid biopsies that were performed on site since inception of the service in April 2014 through August 2016...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28392204/arthrographic-anatomy-of-the-biceps-tendon-sheath-potential-implications-for-selective-injection
#4
Nathan Webb, Jonathan Bravman, Alexandria Jensen, Jonathan Flug, Colin Strickland
The purpose of this investigation was to better define the anatomical features of the biceps tendon sheath, including the distance the sheath extends below the inferior margin of the subscapularis tendon and below the termination of the bony bicipital groove. A total of 110 magnetic resonance and computed tomography arthrograms performed during 1-year period at our institution were retrospectively reviewed, and the length of the biceps tendon sheath and distances from the inferior margin of the subscapularis tendon and from the termination of the bicipital groove to the inferior margin of the biceps tendon sheath were measured by 3 radiologists...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28390795/the-use-of-team-building-activities-to-build-a-better-resident
#5
James D Ireland, Linda A Deloney, Shyann Renfroe, Kedar Jambhekar
We implemented team building activities to build a better resident during our orientation process and we have refined the choice of activities each year since. Resident satisfaction with their team building actives provided feedback to improve the following years' experience. While there is no definite way to demonstrate the effectiveness of our team building initiative, our expectation is it will improve the residency experience and work environment, and ultimately, result in better patient care. We focus on five aspects of team building - personal history sharing, creativity and imagination, common bonds, cooperation, and shared experience...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28390794/effect-of-mammography-on-marker-clip-migration-after-stereotactic-guided-core-needle-breast-biopsy
#6
Huong T Le-Petross, Kenneth R Hess, John D Knudtson, Deanna L Lane, Tanya W Moseley, William R Geiser, Gary J Whitman
OBJECTIVE: To determine whether the type of projection used-same as or orthogonal to the projection used during a stereotactic-guided core needle biopsy procedure-to obtain the first view on a 2-view postbiopsy mammogram affects biopsy marker clip migration. PATIENTS AND METHODS: We prospectively recruited women scheduled to undergo stereotactic-guided core needle breast biopsy with marker clip deployment and categorized the women randomly into one of the following 2 groups: first view on the postbiopsy mammogram obtained in the same projection as that used during the biopsy procedure (group 1), or first view on the postbiopsy mammogram obtained orthogonally to the projection used during the biopsy procedure (group 2)...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28385371/wandering-spleen-an-overview
#7
REVIEW
David C Reisner, Constantine M Burgan
An ectopic (or "wandering") spleen results from abnormal ligamentous laxity failing to fixate the spleen in its normal location in the left upper quadrant. Ligamentous laxity can be acquired due to conditions, such as splenomegaly or pregnancy, but is often congenital. Because of this laxity, there is an elongated vascular pedicle, which is prone to torsion and resultant splenic infarction. These patients generally present with abdominal pain and other nonspecific symptoms making the diagnosis very difficult to make clinically...
February 16, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28318763/pancreatic-carcinosarcoma-a-case-report-highlighting-computed-tomography-characteristics
#8
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...
January 27, 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
#9
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
#10
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
#11
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
#12
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
#13
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...
November 16, 2016: 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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