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imaging guidelines

Laurent A M Thierens, Noëmi M C de Roo, Guy A M de Pauw, Nele Brusselaers
PURPOSE: The use of nonionizing 3-dimensional (3D) imaging in cleft lip and palate (CLP) research is well-established; however, general guidelines concerning the assessment of these images are lacking. The aim of the present study was to review the methods for quantification of soft tissue changes on 3D surface images acquired before and after an orthopedic or surgical intervention in CLP patients. MATERIALS AND METHODS: A systematic literature search was performed using the databases MEDLINE (through PubMed), CENTRAL, Web of Science, and EMBASE...
May 26, 2018: Journal of Oral and Maxillofacial Surgery
Jian G Wen, Jens C Djurhuus, Peter F W M Rosier, Stuart B Bauer
AIMS: To introduce the standard procedure and results interpretation of pressure/flow study (PFS) in children. METHODS: The literature on PFS in children in PubMed for the last 20 years was reviewed. The updated knowledge on PFS in children in children regarding indication, preparation, technique, and interpretation were summarized. RESULTS: This educational module explains when and how to do a PFS and how to analyze the results. All requirements and instructions for the PFS in children described in this document follow ICS reports on Good Urodynamic Practice and urodynamic equipment performance as well as guidelines from the ICCS...
June 21, 2018: Neurourology and Urodynamics
Neha Quatromoni, Marielle Scherrer-Crosbie
PURPOSE OF REVIEW: Modern cancer therapy comes at a cost of increased risk of cardiotoxicity. The purpose of our paper is to provide an updated review highlighting research incorporating biomarkers and imaging findings for the detection of subclinical cardiac dysfunction and management of cancer treatment-related cardiotoxicity. RECENT FINDINGS: Biomarkers, particularly troponin, NTproBNP, and myeloperoxidase, have been shown to have a predictive role in the development of cancer treatment-related cardiotoxicity...
June 22, 2018: Current Cardiology Reports
Z Hosseini, J Matusinec, D A Rudko, J Liu, B Y M Kwan, F Salehi, M Sharma, M Kremenchutzky, R S Menon, M Drangova
BACKGROUND AND PURPOSE: Recently published North American Imaging in Multiple Sclerosis guidelines call for derivation of a specific radiologic definition of MS WM lesions and mimics. The purpose of this study was to use SWI and magnetization-prepared FLAIR images for sensitive differentiation of MS from benign WM lesions using the morphologic characteristics of WM lesions. MATERIALS AND METHODS: Seventeen patients with relapsing-remitting MS and 18 healthy control subjects were enrolled retrospectively...
June 21, 2018: AJNR. American Journal of Neuroradiology
M E Peckham, L M Shah, A C Tsai, E P Quigley, J Cramer, T A Hutchins
BACKGROUND AND PURPOSE: The C1-2 intrathecal puncture is routinely performed when lumbar puncture is not feasible. Usage has steadily decreased in part because of the perceived high risk of injury to the cervical cord. Up to this point, vague fluoroscopic guidelines have been used, creating uncertainty about the actual needle location relative to the spinal cord. We present a novel osseous landmark to aid in C1-2 intrathecal puncture, corresponding to the posterior spinal cord margin on lateral fluoroscopic views...
June 21, 2018: AJNR. American Journal of Neuroradiology
Giovanni Corso, Joana Figueiredo, Carlo La Vecchia, Paolo Veronesi, Gabriella Pravettoni, Debora Macis, Rachid Karam, Roberto Lo Gullo, Elena Provenzano, Antonio Toesca, Ketti Mazzocco, Fátima Carneiro, Raquel Seruca, Soraia Melo, Fernando Schmitt, Franco Roviello, Alessandra Margherita De Scalzi, Mattia Intra, Irene Feroce, Elisa De Camilli, Maria Grazia Villardita, Chiara Trentin, Francesca De Lorenzi, Bernardo Bonanni, Viviana Galimberti
Recent studies have reported germline CDH1 mutations in cases of lobular breast cancer (LBC) not associated with the classical hereditary diffuse gastric cancer syndrome. A multidisciplinary workgroup discussed genetic susceptibility, pathophysiology and clinical management of hereditary LBC (HLBC). The team has established the clinical criteria for CDH1 screening and results' interpretation, and created consensus guidelines regarding genetic counselling, breast surveillance and imaging techniques, clinicopathological findings, psychological and decisional support, as well as prophylactic surgery and plastic reconstruction...
June 21, 2018: Journal of Medical Genetics
Tyler A Janz, David M Neskey, Shaun A Nguyen, Eric J Lentsch
OBJECTIVE: To evaluate the frequency of brain metastasis at the time of diagnosis for patients with cutaneous head and neck melanoma (CHNM). METHODS: Patients in the Surveillance, Epidemiology, and End Results (SEER) database were included from 2010 to 2014 based on a diagnosis of CHNM using ICD O-3 histology codes and primary site location documentation. Patients were also included if they had a "yes" or "no" documented in the "Mets at Dx-Brain" category...
June 8, 2018: American Journal of Otolaryngology
Min Kang, Pingting Zhou, Tingting Wei, Tingting Zhao, Jianxiong Long, Guisheng Li, Haolin Yan, Guosheng Feng, Meilian Liu, Jinxian Zhu, Rensheng Wang
The present study aimed to investigate the cervical lymph node metastasis of nasopharyngeal carcinoma (NPC) and to establish a novel N staging standard for NPC, based on intensity modulated radiation therapy (IMRT) via a prospective multicenter clinical trial. Between January 2006 and December 2009, a total of 492 patients with NPC without distant metastasis were included in the present study. All patients were treated with IMRT. According to Radiation Therapy Oncology Group division standards, the present study proposed a novel N staging system following the review of magnetic resonance images in comparison with the 7th edition of Union for International Cancer Control/American Joint Committee on Cancer (UICC/AJCC) staging system...
July 2018: Oncology Letters
Akshay D Baheti, Cory E Lewis, Daniel S Hippe, Ryan B O'Malley, Carolyn L Wang
PURPOSE: To assess whether CT morphology of adnexal lesions in postmenopausal women with history of non-ovarian cancer could be used to discriminate benign and malignant lesions, particularly focusing on applicability of the ACR criteria. MATERIALS AND METHODS: This was an IRB-approved HIPAA-compliant retrospective review of contrast-enhanced CTs of 199 women, 55 years and older. Lesions were classified as simple cystic, complex cystic, solid-cystic, or solid based on CT morphology, and were diagnosed as benign, indeterminate, or malignant on follow-up imaging or pathology...
June 20, 2018: Abdominal Radiology
Steven M Bradley, Katie Foag, Khua Monteagudo, Pam Rush, Craig E Strauss, Mario Gössl, Paul Sorajja
OBJECTIVE: To determine the implications of applying guideline-recommended definitions of aortic stenosis to echocardiographic data captured in routine clinical care. METHODS: Retrospective observational study of 213 174 patients who underwent transthoracic echocardiographic imaging within Allina Health between January 2013 and October 2017. The sensitivity, specificity, positive predictive value, negative predictive value and accuracy of echocardiographic measures for severe aortic stenosis were determined relative to the documented interpretation of severe aortic stenosis...
June 20, 2018: Heart: Official Journal of the British Cardiac Society
Kathryn Tinsley Anderson, Marisa A Bartz-Kurycki, Mary T Austin, Akemi L Kawaguchi, Lillian S Kao, Kevin P Lally, Kuojen Tsao
BACKGROUND: Evidence-based guidelines recommend ultrasound (US) over computed tomography (CT) as the primary imaging modality for suspected pediatric appendicitis. Continued high rates of CT use may result in significant unnecessary radiation exposure in children. The purpose of this study was to evaluate variables associated with preoperative CT use in pediatric appendectomy patients. METHODS: A retrospective cohort study of pediatric patients who underwent appendectomy for acute appendicitis in 2015-2016 at National Surgical Quality Improvement Program for Pediatrics (NSQIP-P) hospitals was conducted...
May 29, 2018: Journal of Pediatric Surgery
X Y Xie, Z Y Zhang, Z Wang, G X Yin, S M Jia
Objective: To compare the effective radiation dose levels of cone-beam computed tomography (CBCT) with those of multi-slice computed tomography (MSCT) when scanning for the temporal bone. Methods: The absorbed doses of CBCT and MSCT scanners were detected using thermoluminescent dosimeters (TLDs) that were placed in a head and neck phantom and a RGD-3D dose reader.Then the effective doses were calculated and expressed according to the International Commission on Radiation Protection (ICRP) 2007 guidelines. Results: Three-dimensional images about temporal bone can obtained by both CBCT and MSCT scanners in this study...
June 19, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Enzo Berardesca, Marie Loden, Jorgen Serup, Philippe Masson, Luis Monteiro Rodrigues
BACKGROUND: Noninvasive quantification of stratum corneum water content is widely used in skin research and topical product development. METHODS: The original EEMCO guidelines on measurements of skin hydration by electrical methods and transepidermal water loss (TEWL) by evaporimeter published in 1997 and 2001 have been revisited and updated with the incorporation of recently available technologies. RESULTS: Electrical methods and open-chamber evaporimeters for measurement of TEWL are still the preferred techniques to measure the water balance in the stratum corneum...
June 20, 2018: Skin Research and Technology
Su Min Ha, Jung Hwan Baek, Young Jun Choi, Sae Rom Chung, Tae Yon Sung, Tae Yong Kim, Jeong Hyun Lee
OBJECTIVE: Some authors have found little or no diagnostic benefit from repeated biopsy of benign thyroid nodules. However, to our knowledge, integration of Thyroid Imaging Reporting and Data System (TIRADS) guidelines with one biopsy for sufficient benign thyroid nodule diagnosis has not been previously described. We investigated malignancy rate and probability by using various malignancy stratification systems in initially biopsy-proven benign nodules and sought to determine their clinical relevance in management of benign thyroid nodules...
June 19, 2018: European Radiology
Seth Uretsky, Edgar Argulian, Azhar Supariwala, Leo Marcoff, Konstantinos Koulogiannis, Lillian Aldaia, Farooq A Chaudhry, Steven D Wolff, Linda D Gillam
BACKGROUND: The American Society of Echocardiography (ASE) guidelines suggest the use of several echocardiographic methods to assess mitral regurgitation severity using an integrated approach, without guidance as to the weighting of each parameter. The purpose of this multicenter prospective study was to evaluate the recommended echocardiographic parameters against a reference modality and develop and validate a weighting for each echocardiographic measure of mitral regurgitation severity...
June 16, 2018: Journal of the American Society of Echocardiography
A N Tavare, S S Hare, F N A Miller, C J Hammond, A Edey, A Devaraj
AIM: To ascertain current percutaneous lung biopsy practices around the UK. MATERIALS AND METHODS: A web-based survey was sent to all British Society of Thoracic Imaging (BSTI) and British Society of Interventional Radiology (BSIR) members (May 2017) assessing all aspects of lung biopsy practice. Responses were collected anonymously. RESULTS: Two hundred and thirty-nine completed responses were received (28.8% response rate). Of the respondents, 48...
June 16, 2018: Clinical Radiology
Maria Kamenova, Jonathan Rychen, Raphael Guzman, Luigi Mariani, Jehuda Soleman
Despite being widely used, ventriculoperitoneal (VP) shunt placement is a procedure often associated with complications and revision surgeries. Many neurosurgical centers routinely perform early postoperative cranial computer tomography (CT) to detect postoperative complications (e.g., catheter malposition, postoperative bleed, over-drainage). Because guidelines are lacking, our study aimed to evaluate the yield of early routine postoperative CT after shunt placement for adult hydrocephalus. We retrospectively reviewed 173 patients who underwent frontal VP shunting for various neurosurgical conditions...
2018: PloS One
Binghu Jiang, Dongmei He, Liwen Zhang, Min Ye
BACKGROUND AND PURPOSE: It is not conclusive that magnetic resonance (MR)-based carotid atherosclerotic plaque assessment identifies high-risk features associated with cerebrovascular events. We aimed to systematically summarize the association of MR imaging (MRI)-determined intraplaque hemorrhage (IPH), lipid-rich necrotic core (LRNC), and thinning/rupture of the fibrous cap (TRFC) with subsequent ischemic events. MATERIALS AND METHODS: We performed a comprehensive literature search evaluating the association of MRI-based carotid plaque composition with ischemic outcomes...
June 16, 2018: Journal of Neuroradiology. Journal de Neuroradiologie
Pedro Abreu, Rui Pedrosa, Maria José Sá, João Cerqueira, Lívia Sousa, Ana Martins Da Silva, Joaquim Pinheiro, João De Sá, Sónia Batista, Rita Moiron Simões, Daniela Jardim Pereira, Pedro Vilela, José Vale
INTRODUCTION: Magnetic resonance imaging is established as a recognizable tool in the diagnosis and monitoring of multiple sclerosis patients. In the present, among multiple sclerosis centers, there are different magnetic resonance imaging sequences and protocols used to study multiple sclerosis that may hamper the optimal use of magnetic resonance imaging in multiple sclerosis. In this context, the Group of Studies of Multiple Sclerosis and the Portuguese Society of Neuroradiology, after a joint discussion, appointed a committee of experts to create recommendations adapted to the national reality on the use of magnetic resonance imaging in multiple sclerosis...
May 30, 2018: Acta Médica Portuguesa
Robert N Kerley, Siun O'Flynn
INTRODUCTION: The 2011 Appropriate Use Criteria (AUC) were developed by the American Society of Echocardiography (ASE) to provide guidance for referring physicians in response to growing concerns about unnecessary transthoracic echocardiogram (TTE) requests. Very few studies have assessed how medical centers overseas perform against AUC. Evidence is now emerging that inappropriate referral rates in Europe are similar to those reported in the US. OBJECTIVE: This study systematically reviewed published evidence to identify (1) whether the 2011 AUC are applicable to medical centers outside the US (2) the level of adherence to the AUC across multiple centers, (3) the main factors which cause deviation from AUC, (4) any changes in referral rates since the publication of AUC, and (5) any factors and/or intervention strategies which promote adherence to AUC...
June 18, 2018: Irish Journal of Medical Science
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