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Radiology, Nuclear Medicine

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https://www.readbyqxmd.com/read/27908513/small-bowel-imaging-computed-tomography-enterography-magnetic-resonance-enterography-angiography-and-nuclear-medicine
#1
REVIEW
Jeff L Fidler, Ajit H Goenka, Chad J Fleming, James C Andrews
Radiology examinations play a major role in the diagnosis, management, and surveillance of small bowel diseases and are complementary to endoscopic techniques. Computed tomography enterography and magnetic resonance enterography are the cross-sectional imaging studies of choice for many small bowel diseases. Angiography still plays an important role for catheter-directed therapies. With the emergence of hybrid imaging techniques, radionuclide imaging has shown promise for the evaluation of small bowel bleeding and Crohn disease and may play a larger role in the future...
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27904250/diagnosis-and-management-of-postoperative-biliary-leaks
#2
REVIEW
Arian M Nikpour, R Justin Knebel, Danny Cheng
Postoperative biliary leaks have become more common in the past three decades since the development of laparoscopic biliary surgery. The role of the radiologist and interventional radiologist is important in the diagnosis and treatment of such complications, and can play an adjunctive role in the definitive surgical repair. Ultrasound, computed tomography, magnetic resonance cholangiopancreatography, nuclear medicine cholescintigraphy studies, and percutaneous transhepatic cholangiograms (PTC) are the various imaging modalities used for diagnosis...
December 2016: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/27885431/forensic-age-assessment-of-asylum-seekers-in-finland
#3
Mari Metsäniitty, Olli Varkkola, Janna Waltimo-Sirén, Helena Ranta
In Finland, forensic age assessment is strictly regulated by legislation. According to the Aliens Act (301/2004) and the amendment of the Act (549/2010), the police authorities, the frontier guard authorities, and the immigration authorities have the right to refer asylum seekers to the University of Helsinki, Department of Forensic Medicine, for age assessment. These assessments are especially performed to solve if the person is of major age, the cutoff being 18 completed years. The forensic age assessment is largely based on dental development, since the special permit of the Radiation and Nuclear Safety Authority (STUK) to the Department of Forensic Medicine of the University of Helsinki, allowing the use of ionizing radiation for non-medical purposes, includes dental and hand X-rays...
November 25, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27837124/a-multidiscipline-study-of-education-program-accreditation-type-and-certification-exam-performance
#4
Ben Babcock
PURPOSE: To examine the relationship between radiologic technologists' performance on 3 medical certification exams and the type of accredited education program they attended. METHODS: Data came from 3 certification exam programs administered by the American Registry of Radiologic Technologists (ARRT). The author used simple means and mixed-effect models to analyze 13 years of data. RESULTS: The difference in performance between programs with and without programmatic accreditation, as modeled with linear mixed-effect models, amounted to approximately 2 exam questions out of 200 for radiography, no difference for nuclear medicine technology, and approximately 4 questions out of 200 for radiation therapy...
November 2016: Radiologic Technology
https://www.readbyqxmd.com/read/27815616/estimated-cumulative-radiation-dose-received-by-diagnostic-imaging-during-staging-and-treatment-of-operable-ewing-sarcoma-2005-2012
#5
Boel Johnsen, Kristine Eldevik Fasmer, Kjetil Boye, Karen Rosendahl, Clement Trovik, Martin Biermann, Stein Magnus Aukland
BACKGROUND: Patients with Ewing sarcoma are subject to various diagnostic procedures that incur exposure to ionising radiation. OBJECTIVE: To estimate the radiation doses received from all radiologic and nuclear imaging episodes during diagnosis and treatment, and to determine whether (18)F-fluorodeoxyglucose positron emission tomography - computed tomography ((18)F-FDG PET-CT) is a major contributor of radiation. MATERIALS AND METHODS: Twenty Ewing sarcoma patients diagnosed in Norway in 2005-2012 met the inclusion criteria (age <30 years, operable disease, uncomplicated chemotherapy and surgery, no metastasis or residual disease within a year of diagnosis)...
November 4, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27804855/the-thyroid-ultrasound-and-other-imaging-procedures-in-the-pediatric-age
#6
Claudio Spinelli, Federica Guidoccio, Mariano Grosso
The purpose of this review is to provide a reappraisal of the diagnostic imaging procedures for thyroid carcinoma in pediatric patients, including thyroid ultrasound (US), ultrasound-guided fine-needle aspiration biopsy (FNAB), scintigraphy, radiological techniques (CT, MR), and PET/CT. The most frequent indication for thyroid imaging is characterization of a palpable mass in the neck or thyroid gland. Thyroid US is a first-line examination for visualizing the thyroid gland as it provides anatomic and perfusion information; on the other hand, scintigraphy mostly provides functional information but combined with some anatomic information as well...
October 31, 2016: Current Pediatric Reviews
https://www.readbyqxmd.com/read/27785632/building-and-querying-rdf-owl-database-of-semantically-annotated-nuclear-medicine-images
#7
Kyung Hoon Hwang, Haejun Lee, Geon Koh, Debra Willrett, Daniel L Rubin
As the use of positron emission tomography-computed tomography (PET-CT) has increased rapidly, there is a need to retrieve relevant medical images that can assist image interpretation. However, the images themselves lack the explicit information needed for query. We constructed a semantically structured database of nuclear medicine images using the Annotation and Image Markup (AIM) format and evaluated the ability the AIM annotations to improve image search. We created AIM annotation templates specific to the nuclear medicine domain and used them to annotate 100 nuclear medicine PET-CT studies in AIM format using controlled vocabulary...
October 26, 2016: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/27756360/how-we-read-oncologic-fdg-pet-ct
#8
REVIEW
Michael S Hofman, Rodney J Hicks
(18)F-fluorodeoxyglucose (FDG) PET/CT is a pivotal imaging modality for cancer imaging, assisting diagnosis, staging of patients with newly diagnosed malignancy, restaging following therapy and surveillance. Interpretation requires integration of the metabolic and anatomic findings provided by the PET and CT components which transcend the knowledge base isolated in the worlds of nuclear medicine and radiology, respectively. In the manuscript we detail our approach to reviewing and reporting a PET/CT study using the most commonly used radiotracer, FDG...
October 18, 2016: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/27643768/nuclear-medicine-and-pet-ct-cases-cases-in-radiology-edited-by-chun-k-kim-cary-nc-oxford-university-press-2015-isbn-978-0-19977369-5-softcover-79-95-456-pp
#9
https://www.readbyqxmd.com/read/27637430/clinical-impact-and-diagnostic-accuracy-of-2-18-f-fluoro-2-deoxy-d-glucose-positron-emission-tomography-computed-tomography-pet-ct-brain-imaging-in-patients-with-cognitive-impairment-a-tertiary-centre-experience-in-the-uk
#10
H Motara, T Olusoga, G Russell, S Jamieson, S Ahmed, N Brindle, A Pillai, A F Scarsbrook, C N Patel, F U Chowdhury
AIM: To evaluate the clinical impact of combined 2-[(18)F]-fluoro-2-deoxy-d-glucose (FDG) positron-emission tomography/computed tomography (PET/CT) brain imaging performed in selected patients with cognitive impairment at a tertiary referral centre in the UK, and to assess the accuracy of FDG PET/CT to correctly establish the diagnosis of Alzheimer's dementia (AD) in "real-world" clinical practice. METHODS AND MATERIALS: Using an institutional radiology database, 136 patients were identified for inclusion in the study...
September 13, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27618318/castleman-disease-of-the-thorax-clinical-radiologic-and-pathologic-correlation-from-the-radiologic-pathology-archives
#11
Seth J Kligerman, Aaron Auerbach, Teri J Franks, Jeffrey R Galvin
Castleman disease is a complex lymphoproliferative disease pathologically divided into two subtypes, the hyaline vascular variant (HVV) and the plasma cell variant (PCV). The HVV is the most common, is thought to represent a benign neoplasm of lymph node stromal cells, and is treated with surgical resection. It is most commonly found in the mediastinum, where it classically appears as a unicentric, avidly enhancing mass at computed tomography (CT) and magnetic resonance imaging. This appearance can mimic other avidly enhancing mediastinal masses, and location, clinical history, laboratory data, and nuclear medicine single photon emission CT (SPECT) and positron emission tomography (PET) studies can help narrow the differential diagnosis...
September 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27613266/scedosporium-apiospermum-a-rare-cause-of-malignant-otitis-externa
#12
Oliver McLaren, Christian Potter
A 79-year-old man, with a history of well-controlled diabetes mellitus, presented with left-sided otalgia. With an initial diagnosis of simple otitis externa, he was discharged on topical drops. He represented 2 months later with worsening otalgia and discharge. A diagnosis of malignant otitis externa was made based on clinical and radiological findings. Intravenous Tazocin and Gentamicin were given based on previous bacterial culture from ear swabs. The patient failed to improve and developed left-sided facial nerve palsy...
2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27555655/measurement-of-the-dose-to-the-family-members-taking-care-of-thyroid-cancer-patients-undergoing-i-131-therapy-in-nuclear-medicine-using-tld-100
#13
M Zehtabian, N Dehghan, M Danaei Ghazanfarkhani, M Haghighatafshar, S Sina
The family members or friends of the patients undergoing treatment using radioiodine in nuclear medicine are inevitably exposed to ionization radiation. The purpose of this study is measurement of the dose received by the people taking care of the thyroid cancer patients treated by (131)I. For this purpose, the dose amounts received by 29 people accompanying patients were measured using thermoluminescence dosimeters. A badge containing three TLD-100 chips was given to each caregiver. The people were asked to wear the badges for 24 days, when they are taking care of the patients...
August 22, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27543183/recruitment-into-a-combined-radiology-nuclear-medicine-subspecialty
#14
Jay A Harolds, Milton J Guiberteau, M Elizabeth Oates
No abstract text is available yet for this article.
August 17, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27538253/-diagnosis-of-periprosthetic-infection-what-s-obligation-what-s-optional
#15
K-D Heller
BACKGROUND: Periprothetic infection after primary or revision arthroplasty is of increasing importance. The incidence of infection in primary arthroplasty is approximately 1 %. Revision arthroplasty has higher infection rates, which increase with the number of revision surgeries. Aim of this Paper: An overview of the current diagnosis of periprosthetic infection. METHODS: This selective analysis is based on a lecture by the author at the DKOU 2015. RESULTS: Periprosthetic infection is taken as having been demonstrated when either two periprosthetic cultures contain the same microorganism, or if there is a fistula communicating with a joint...
August 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27516448/variations-in-pet-mri-operations-results-from-an-international-survey-among-39-active-sites
#16
Wolfgang Peter Fendler, Johannes Czernin, Ken Herrmann, Thomas Beyer
: Information has been collected from PET/MRI operational sites to identify its present and future applications. This may help to focus discussions on common interests of the PET/MRI community. METHODS: A web-based survey of PET/MRI users was conducted from June to October 2015. The survey was composed of 26 questions related to the PET/MRI center, present use and imaging protocols, and perspectives on key applications. RESULTS: Responses were collected from 39 international sites that operated PET/MRI for a median of 30 mo (range, 2-62 mo)...
December 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27490330/journal-club-patient-perception-of-radiology-and-radiologists-a-survey-analysis-of-academic-and-community-institutions
#17
Jason G Domina, Zeeshaan S Bhatti, Richard K J Brown, Ella A Kazerooni, Michael J Kasotakis, Shokoufeh Khalatbari
OBJECTIVE: The objective of the present study is to evaluate patient understanding of radiology and radiologists and to assess patient interest in direct consultation with a radiologist. MATERIALS AND METHODS: A total of 1976 adult radiology outpatients at both a university and a nearby community hospital were surveyed. After an initial survey was administered, educational material with an attached follow-up survey was distributed to the patients. A McNemar test was used to assess the difference between patients who correctly chose the radiologist as the image interpreter before and after educational material was provided, whereas a paired t test was used to test the difference between patient levels of comfort with various image interpreters...
August 4, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27473694/biodosimetry-medicine-science-and-systems-to-support-the-medical-decision-maker-following-a-large-scale-nuclear-or-radiation-incident
#18
C Norman Coleman, John F Koerner
The public health and medical response to a radiological or nuclear incident requires the capability to sort, assess, treat, triage and to ultimately discharge, refer or transport people to their next step in medical care. The size of the incident and scarcity of resources at the location of each medical decision point will determine how patients are triaged and treated. This will be a rapidly evolving situation impacting medical responders at regional, national and international levels. As capabilities, diagnostics and medical countermeasures improve, a dynamic system-based approach is needed to plan for and manage the incident, and to adapt effectively in real time...
July 29, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27460230/-selective-internal-radioembolization-in-nonresectable-hepatocellular-carcinoma
#19
A Bauschke, A Altendorf-Hofmann, M Freesmeyer, T Winkens, C Malessa, J-H Schierz, U Teichgraeber, U Settmacher
INTRODUCTION: The role of selective internal radioembolization (SIRT) in the treatment of hepatocellular carcinoma (HCC) is currently unclear. MATERIALS AND METHODS: We investigated 52 patients with nonresectable HCC in cirrhosis who underwent SIRT at the Department of General, Visceral and Vascular Surgery in co-operation with the Department of Nuclear Medicine and the Institute of Diagnostic and Interventional Radiology between April 2011 and October 2015. RESULTS: In five patients, SIRT was employed for bridging to liver transplantation...
July 26, 2016: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/27455475/effective-method-of-measuring-the-radioactivity-of-131i-capsule-prior-to-radioiodine-therapy-with-significant-reduction-of-the-radiation-exposure-to-the-medical-staff
#20
Ulf Lützen, Yi Zhao, Malies Marx, Thea Imme, Isong Assam, Frank-Andre Siebert, Juaraj Culman, Maaz Zuhayra
Radiation Protection in Radiology, Nuclear Medicine and Radio Oncology is of the utmost importance. Radioiodine therapy is a frequently used and effective method for the treatment of thyroid disease. Prior to each therapy the radioactivity of the [131I]-capsule must be determined to prevent misadministration. This leads to a significant radiation exposure to the staff. We describe an alternative method, allowing a considerable reduction of the radiation exposure. Two [131I]-capsules (A01 = 2818.5; A02 = 7355...
2016: Journal of Applied Clinical Medical Physics
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