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Radiology, Nuclear Medicine

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
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
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
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
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
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
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
Wolfgang Peter Fendler, Johannes Czernin, Ken Herrmann, Thomas Beyer
OBJECTIVES: Information has been collected from positron emission tomography/magnetic resonance imaging (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 (A) the PET/MRI center, (B) present utilization and imaging protocols and (C) perspectives on key applications...
August 11, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
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
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
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
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
A Blum, P Gondim-Teixeira, E Gabiache, O Roche, F Sirveaux, P Olivier, H Coudane, A Raymond, M Louis, M Grandhaye, J-B Meyer, D Mainard, D Molé
BACKGROUND: Several imaging modalities can be used to diagnose complications of hip prosthesis placement. Despite progress in these imaging techniques, there are, as yet, no guidelines as to their respective indications. METHODS: We formed a panel of experts in fields related to prosthesis imaging (radiology, nuclear medicine, orthopedic surgery) and conducted a review of the literature to determine the value of each modality for diagnosing complications following hip replacement...
July 2016: Diagnostic and Interventional Imaging
Cheryl Culver Schultz, Sheila Shaffer, Darlene Fink-Bennett, Kay Winokur
Beaumont is a multiple hospital health care system with a centralized radiation safety department. The health system operates under a broad scope Nuclear Regulatory Commission license but also maintains several other limited use NRC licenses in off-site facilities and clinics. The hospital-based program is expansive including diagnostic radiology and nuclear medicine (molecular imaging), interventional radiology, a comprehensive cardiovascular program, multiple forms of radiation therapy (low dose rate brachytherapy, high dose rate brachytherapy, external beam radiotherapy, and gamma knife), and the Research Institute (including basic bench top, human and animal)...
August 2016: Health Physics
K Wirth, P Zielinski, T Trinter, R Stahl, F Mück, M Reiser, S Wirth
BACKGROUND: In hospitals, the radiological services provided to non-privately insured in-house patients are mostly distributed to requesting disciplines through internal cost allocation (ICA). In many institutions, computed tomography (CT) is the modality with the largest amount of allocation credits. OBJECTIVES: The aim of this work is to compare the ICA to respective DRG (Diagnosis Related Groups) shares for diagnostic CT services in a university hospital setting...
August 2016: Der Radiologe
Ahmed Gabr, Joseph Ralph Kallini, Vanessa L Gates, Ryan Hickey, Laura Kulik, Kush Desai, Bartley Thornburg, Karen Marshall, Krystina Salzig, Melissa Williams, Carlene Del Castillo, Daniel Ganger, Elias Hohlastos, Talia Baker, Robert J Lewandowski, Riad Salem
PURPOSE: To assess the feasibility of conducting pretreatment mesenteric angiography, coil embolization, (99m)Tc macroaggregated albumin ((99m)Tc-MAA) scintigraphy, and (90)Y radioembolization treatment in a single, same-day, combined outpatient encounter. METHODS: This was a retrospective study of 78 patients treated during the period 2008 - 2015 who were managed in a single outpatient encounter under the guidance of the Interventional Radiology Department and The Nuclear Medicine Department...
June 17, 2016: European Journal of Nuclear Medicine and Molecular Imaging
S Gatidis, B Gückel, C la Fougère, J Schmitt, J F Schäfer
Diagnostic imaging plays an essential role in pediatric oncology with regard to diagnosis, therapy-planning, and the follow-up of solid tumors. The current imaging standard in pediatric oncology includes a variety of radiological and nuclear medicine imaging modalities depending on the specific tumor entity. The introduction of combined simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI) has opened up new diagnostic options in pediatric oncology. This novel modality combines the excellent anatomical accuracy of MRI with the metabolic information of PET...
July 2016: Der Radiologe
Clara Carpeggiani, Eugenio Picano
Every radiological and nuclear medicine examination confers a definite long-term risk of cancer, but most patients undergoing such examinations receive no or inaccurate information about radiation dose and corresponding risk related to the dose received. Informed consent is a procedure to support (not substitute) the physician/patient dialogue and relationship, facilitating a free, informed and aware expression of the patient's will in the principle of patient autonomy. Physicians are responsible for providing patients with all the information on risks, benefits and alternatives useful to the patient to make the decision...
June 2016: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
Abdelhamid H Elgazzar, Azuwuike Owunwanne, Saud Alenezi
The practice of nuclear medicine in Kuwait began in 1965 as a clinic for treating thyroid diseases. The practice developed gradually and until 1981 when the Faculty of Medicine established the Division of Nuclear Medicine in the Department of Radiology, which later became a separate department responsible for establishing and managing the practice in all hospitals of Kuwait. In 1987, a nuclear medicine residency program was begun and it is administered by Kuwait Institute for Medical Specializations originally as a 4-year but currently as a 5-year program...
July 2016: Seminars in Nuclear Medicine
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