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Radiology, Nuclear Medicine

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https://www.readbyqxmd.com/read/28646645/comorbidity-assessment-in-patients-with-oral-squamous-cell-carcinoma-can-imaging-techniques-fludeoxyglucose-positron-emission-tomographic-computed-tomography-and-contrast-enhanced-computed-tomography-provide-additional-information
#1
Matthias Troeltzsch, Florian Andreas Probst, Axel Rominger, Ulrich Müller-Lisse, Monika Probst, Katharina Obermeier, Michael Ehrenfeld, Sven Otto
PURPOSE: This study evaluated the role of imaging staging examinations (positron-emission tomographic computed tomography [PET/CT] and contrast-enhanced computed tomography [ceCT]) for the assessment of the comorbidity status of patients with oral squamous cell carcinoma (OSCC). A binary null hypothesis was drafted: 1) imaging staging examinations do not augment knowledge about the comorbidity status of patients with OSCC and 2) there is no difference between PET/CT and ceCT in this regard...
May 31, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28643106/-new-and-old-aspects-of-retroperitoneal-fibrosis
#2
REVIEW
A S Brandt, N M Dreger, E Müller, S Kukuk, S Roth
Retroperitoneal fibrosis (RPF) is an uncommon chronic inflammatory disease of the rear abdomen and it is commonly associated with the complication of uni- or bilateral hydronephrosis. Despite the rarity of this disease, multiple publications concerning etiology, diagnosis, therapy monitoring and both medical and surgical therapy have been published in recent years. Recent research has focused on asbestos exposure as a possible risk factor, the meaning of IgG4-associated RPF, measuring disease activity using different radiological and nuclear medicine procedures, and new approaches to medical therapy...
June 22, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28584743/benign-and-malignant-thyroid-gland-diseases-in-the-patients-with-primary-hyperparathyroidism
#3
Mehmet Celik, Sibel Guldiken, Semra Ayturk, Buket Yilmaz Bulbul, Ebru Tastekin, Nuray Can, Atakan Sezer, Funda Ustun, Ahmet Kucukarda
INTRODUCTION: This study aimed to evaluate concurrently detected thyroid pathologies in the patients who underwent surgery for primary hyperparathyroidism (PHPT). MATERIALS AND METHODS: In this study, we retrospectively analyzed the files of the patients who underwent surgery for PHPT between 2012 and 2015. Pre- and post-operative laboratory examination results and preoperative radiological and nuclear medicine findings of the patients were retrospectively recorded...
April 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28581035/effective-doses-and-standardised-risk-factors-from-paediatric-diagnostic-medical-radiation-exposures-information-for-radiation-risk-communication
#4
Giovanni Bibbo
INTRODUCTION: In the paediatric medical radiation setting, there is no consistency on the radiation risk information conveyed to the consumer (patient/carer). Each communicator may convey different information about the level of risk for the same radiation procedure, leaving the consumer confused and frustrated. There is a need to standardise risks resulting from medical radiation exposures. In this study, paediatric radiographic, fluoroscopic, CT and nuclear medicine examination data have been analysed to provide (i) effective doses and radiation induced cancer risk factors from common radiological and nuclear medicine diagnostic procedures in standardised formats, (ii) awareness of the difficulties that may be encountered in communicating risks to the layperson, and (iii) an overview of the deleterious effects of ionising radiation so that the risk communicator can convey with confidence the risks resulting from medical radiation exposures...
June 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28529726/pancreatic-neuroendocrine-tumors-the-basics-the-gray-zone-and-the-target
#5
REVIEW
Dionysia Kelgiorgi, Christos Dervenis
Pancreatic neuroendocrine tumors (PanNETs) manifest with a range of symptoms and pose a therapeutic challenge. A team approach, in which many specialists come together, is necessary in the quest for the best patient-tailored treatment. Disciplines such as oncology, surgery, basic science, endocrinology, radiology, and nuclear medicine need to work side by side, equally contributing to patient care and to advancing our better understanding of this fascinating disease.
2017: F1000Research
https://www.readbyqxmd.com/read/28506452/performing-nuclear-medicine-examinations-in-pregnant-women
#6
REVIEW
Paolo Zanotti-Fregonara, Elif Hindie
The number of nuclear medicine examinations performed worldwide has been steadily increasing over the last few years. By consequence, an ever increasing number of pregnant women are likely to be exposed to radioisotopes. The range of doses encountered in nuclear medicine practice is well below the threshold for deterministic effects, such as embryonic death, birth defects or mental retardation. According to the linear no-threshold hypothesis, however, stochastic effects (e.g. an increased risk of cancer) remain possible even at this dose range...
May 11, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28500447/-certification-guidelines-and-qualification-courses
#7
REVIEW
R Loose, M Wucherer
German regulations require a license for using ionizing radiation in medicine. This license-called "Fachkunde"-varies for different medical procedures such as CT, fluoroscopy, radiography, or mammography. The required frequencies and training times also vary for different medical disciplines such as radiology, cardiology, vascular surgery, traumatology, nuclear medicine, and radiotherapy, among others. The quality criteria for a specific license require a minimum training time under supervision and a minimum frequency of a wide range of procedures...
May 12, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28490467/dose-optimization-to-minimize-radiation-risk-for-children-undergoing-ct-and-nuclear-medicine-imaging-is-misguided-and-detrimental
#8
Jeffry A Siegel, Bill Sacks, Charles W Pennington, James S Welsh
A debate exists within the medical community on whether the linear no-threshold model of ionizing radiation exposure accurately predicts the subsequent incidence of radiogenic cancer. In this article, we evaluate evidence refuting the linear no-threshold model and corollary efforts to reduce radiation exposure from CT and nuclear medicine imaging in accord with the as-low-as-reasonably-achievable principle, particularly for children. Further, we review studies demonstrating that children are not, in fact, more radiosensitive than adults in the radiologic imaging dose range, rendering dose reduction for children unjustifiable and counterproductive...
June 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28473601/american-college-of-radiology-and-society-of-nuclear-medicine-and-molecular-imaging-joint-credentialing-statement-for-pet-mr-imaging-body
#9
Rathan M Subramaniam, Hossein Jadvar, Patrick M Colletti, Alexander Guimaraes, Rao Gullapali, Andrei H Iagaru, Jonathan McConathy, Carolyn C Meltzer, Helen Nadel, Richard B Noto, Alan B Packard, Eric Rohren, M Elizabeth Oates
This joint statement is intended to guide credentialing bodies that privilege physicians to oversee the performance of and participation in the interpretation of PET/MR imaging in adult and pediatric patients in the United States.
May 4, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28473084/acr-appropriateness-criteria-%C3%A2-renal-transplant%C3%A2-dysfunction
#10
Myles T Taffel, Paul Nikolaidis, Michael D Beland, M Donald Blaufox, Vikram S Dogra, Stanley Goldfarb, John L Gore, Howard J Harvin, Marta E Heilbrun, Matthew T Heller, Gaurav Khatri, Glenn M Preminger, Andrei S Purysko, Andrew D Smith, Zhen J Wang, Robert M Weinfeld, Jade J Wong-You-Cheong, Erick M Remer, Mark E Lockhart
Renal transplantation is the treatment of choice in patients with end-stage renal disease because the 5-year survival rates range from 72% to 99%. Although graft survival has improved secondary to the introduction of newer immunosuppression drugs and the advancements in surgical technique, various complications still occur. Ultrasound is the first-line imaging modality for the evaluation of renal transplants in the immediate postoperative period and for long-term follow-up. In addition to depicting many of the potential complications of renal transplantation, ultrasound can also guide therapeutic interventions...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28447111/-diagnostics-and-treatment-of-osteoid-osteoma
#11
REVIEW
P Orth, D Kohn
BACKGROUND: Osteoid osteoma is the third most common benign bone tumor and typically induces pain that is worse at night. OBJECTIVE: To identify the epidemiological, pathogenetic, histological and radiological characteristics of osteoid osteoma and to present the broad variety of treatment options. MATERIAL AND METHODS: This review article summarizes relevant clinical studies and meta-analyses on this topic. RESULTS: Osteoid osteoma is characterized by a central nidus smaller than 1...
April 26, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28355596/enets-consensus-guidelines-for-the-standards-of-care-in-neuroendocrine-tumors-radiological-nuclear-medicine-and-hybrid-imaging
#12
Anders Sundin, Rudolf Arnold, Eric Baudin, Jaroslaw B Cwikla, Barbro Eriksson, Stefano Fanti, Nicola Fazio, Francesco Giammarile, Rodney J Hicks, Andreas Kjaer, Eric Krenning, Dik Kwekkeboom, Catherine Lombard-Bohas, Juan M O'Connor, Dermot O'Toole, Andrea Rockall, Bertram Wiedenmann, Juan W Valle, Marie-Pierre Vullierme
No abstract text is available yet for this article.
March 30, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28331952/diagnostic-strategies-for-posttraumatic-osteomyelitis-a-survey-amongst-dutch-medical-specialists-demonstrates-the-need-for-a-consensus-protocol
#13
G A M Govaert, A W J M Glaudemans, J J W Ploegmakers, A R Viddeleer, K W Wendt, I H F Reininga
INTRODUCTION: Posttraumatic osteomyelitis (PTO) is a feared complication after surgical fracture care. Late diagnosis can result in interrupted and prolonged rehabilitation programmes, inability to work, medical dependency, unnecessary hospital admissions, and high medical and non-medical costs. Primary aim of this study was to assess preferred diagnostic imaging strategies for diagnosing PTO amongst orthopaedic and trauma surgeons, radiologists, and nuclear medicine physicians. Secondary aims were to determine the preferred serum inflammatory marker for diagnosing PTO and the existence of a local hospital protocol to diagnose and manage PTO...
March 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28301213/academic-radiologist-subspecialty-identification-using-a-novel-claims-based-classification-system
#14
Andrew B Rosenkrantz, Wenyi Wang, Danny R Hughes, Luke A Ginocchio, David A Rosman, Richard Duszak
OBJECTIVE: The objective of the present study is to assess the feasibility of a novel claims-based classification system for payer identification of academic radiologist subspecialties. MATERIALS AND METHODS: Using a categorization scheme based on the Neiman Imaging Types of Service (NITOS) system, we mapped the Medicare Part B services billed by all radiologists from 2012 to 2014, assigning them to the following subspecialty categories: abdominal imaging, breast imaging, cardiothoracic imaging, musculoskeletal imaging, nuclear medicine, interventional radiology, and neuroradiology...
March 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28296315/effective-method-of-measuring-the-radioactivity-of-%C3%A2-131i-capsule-prior-to-radioiodine-therapy-with-significant-reduction-of-the-radiation-exposure-to-the-medical-staff
#15
Ulf Lützen, Yi Zhao, Marlies Marx, Thea Imme, Isong Assam, Frank-Andre Siebert, Juraj 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=73...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28281400/evaluation-of-thiol-disulphide-homeostasis-in-radiation-workers
#16
Ural Koc, Sinan Tan, Ahmet Goktug Ertem, Mehmet Gumus, Betul Ozbek, Ozcan Erel
PURPOSE: To evaluate thiol-disulphide homeostasis - a novel, easily calculated, readily available, and relatively cheap oxidative stress marker - in radiation workers and compare the results with healthy controls. MATERIALS AND METHODS: A total of 108 participants were enrolled in the study including 63 hospital workers occupationally exposed to ionizing radiation in the units of interventional radiology, interventional cardiology and nuclear medicine. A control group consisted of 45 individuals staff in the same hospital...
April 3, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28280978/spanish-society-of-vascular-and-interventional-radiology-servei-bibliometric-study-2010-2015-what-how-and-where-do-spanish-interventional-radiologists-publish
#17
Celia Lahuerta, José A Guirola, Enrique Esteban, José Urbano, Alicia Laborda, Miguel Ángel De Gregorio
PURPOSE: We analyzed the scientific production of members of the Spanish Society of Vascular and Interventional Radiology (SERVEI) from 2010 to 2015. MATERIALS AND METHODS: We retrospectively analyzed the indexed scientific productivity of all SERVEI members for the last 6 years as measured by bibliometric indexes. Different databases were used (e.g., PubMed, Scopus, Web of Knowledge) to retrieve the total number of publications, number of citations, and h-index...
July 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28263210/incremental-value-of-cocktail-18f-fdg-and-18f-naf-pet-ct-over-18f-fdg-pet-ct-alone-for-characterization-of-skeletal-metastases-in-breast-cancer
#18
Mohan J Roop, Baljinder Singh, Harmandeep Singh, Ankit Watts, Pavneet S Kohli, Bhagwant R Mittal, Gurpreet Singh
PURPOSE: The aim of this study was to evaluate the incremental value of cocktail F-FDG/F-NaF PET/CT over F-FDG PET/CT alone for detection of skeletal metastases in breast cancer patients. METHODS: Seventy patients with locally advanced/recurrent breast cancer were prospectively included. All patients underwent whole-body F-FDG PET/CT and cocktail F-FDG/F-NaF PET/CT within a span of 1 week. Both studies were evaluated to detect presence of skeletal/marrow metastases on PET/CT images by 2 nuclear medicine physicians...
May 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28237003/neuroblastoma-mibg-imaging-and-new-tracers
#19
REVIEW
Thomas Pfluger, Arnoldo Piccardo
Neuroblastoma is an embryonic tumor of the peripheral sympathetic nervous system, and is metastatic or otherwise high risk for relapse in nearly 50% of cases, with a long-term survival of <40%. Therefore, exact staging with radiological and nuclear medicine imaging methods is crucial for finding the adequate therapeutic choice. The tumor cells express the norepinephrine transporter, which makes metaiodobenzylguanidine (MIBG), an analogue of norepinephrine, an ideal tumor-specific agent for imaging. On the contrary, MIBG imaging has several disadvantages such as limited spatial resolution, limited sensitivity in small lesions, need for two or even more acquisition sessions, and a delay between the start of the examination and result...
March 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28205026/common-strategic-research-agenda-for-radiation-protection-in-medicine
#20
(no author information available yet)
Reflecting the change in funding strategies for European research projects, and the goal to jointly improve medical radiation protection through sustainable research efforts, five medical societies involved in the application of ionising radiation (European Association of Nuclear Medicine, EANM; European Federation of Organizations for Medical Physics. EFOMP; European Federation of Radiographer Societies, EFRS; European Society of Radiology, ESR; European Society for Radiotherapy and Oncology, ESTRO) have identified research areas of common interest and developed this first edition of the Common Strategic Research Agenda (SRA) for medical radiation protection...
April 2017: Insights Into Imaging
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