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Insights Into Imaging

journal
https://www.readbyqxmd.com/read/29063481/body-composition-determinants-of-radiation-dose-during-abdominopelvic-ct
#1
Patrick D McLaughlin, Liam Chawke, Maria Twomey, Kevin P Murphy, Siobhán B O'Neill, Sebastian R McWilliams, Karl James, Richard G Kavanagh, Charles Sullivan, Faimee E Chan, Niamh Moore, Owen J O'Connor, Joseph A Eustace, Michael M Maher
OBJECTIVES: We designed a prospective study to investigate the in-vivo relationship between abdominal body composition and radiation exposure to determine the strongest body composition predictor of dose length product (DLP) at CT. METHODS: Following institutional review board approval, quantitative analysis was performed prospectively on 239 consecutive patients who underwent abdominopelvic CT. DLP, BMI, volumes of abdominal adipose tissue, muscle, bone and solid organs were recorded...
October 23, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/29063480/an-update-of-pitfalls-in-prostate-mpmri-a-practical-approach-through-the-lens-of-pi-rads-v-2-guidelines
#2
REVIEW
Valeria Panebianco, Francesco Giganti, Yu Xuan Kitzing, François Cornud, Riccardo Campa, Gianluca De Rubeis, Antonio Ciardi, Carlo Catalano, Geert Villeirs
OBJECTIVES: The aim of the current report is to provide an update in the imaging interpretation of prostate cancer on multiparametric magnetic resonance imaging (mpMRI), with a special focus on how to discriminate pathological tissue from the most common pitfalls that may be encountered during daily clinical practice using the Prostate Imaging Reporting and Data System (PI-RADS) version 2 guidelines. METHODS: All the cases that are shown in this pictorial review comply with the European Society of Urogenital Radiology (ESUR) guidelines for technical mpMRI requirements...
October 23, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28986862/beyond-the-embolus-do-not-miss-diffusion-abnormalities-of-ischaemic-and-non-ischaemic-neurological-disease
#3
REVIEW
Vivek Yedavalli, Eric M Nyberg, Daniel S Chow, Ashesh A Thaker
Given the rapid evolution and technological advances in the diagnosis and treatment of acute ischaemic stroke (AIS), including the proliferation of comprehensive stroke centres and increasing emphasis on interventional stroke therapies, the need for prompt recognition of stroke due to acute large vessel occlusion has received significant attention in the recent literature. Diffusion-weighted imaging (DWI) is the gold standard for the diagnosis of acute ischaemic stroke, as images appear positive within minutes of ischaemic injury, and a high signal-to-noise ratio enables even punctate infarcts to be readily detected...
October 6, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28986761/detector-based-spectral-ct-with-a-novel-dual-layer-technology-principles-and-applications
#4
REVIEW
Negin Rassouli, Maryam Etesami, Amar Dhanantwari, Prabhakar Rajiah
Detector-based spectral computed tomography is a novel dual-energy CT technology that employs two layers of detectors to simultaneously collect low- and high-energy data in all patients using standard CT protocols. In addition to the conventional polyenergetic images created for each patient, projection-space decomposition is used to generate spectral basis images (photoelectric and Compton scatter) for creating multiple spectral images, including material decomposition (iodine-only, virtual non-contrast, effective atomic number) and virtual monoenergetic images, on-demand according to clinical need...
October 6, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28980214/breast-cancer-mammographic-diagnosis-performance-in-a-public-health-institution-a-retrospective-cohort-study
#5
Juliana M R B Mello, Fernando P Bittelbrunn, Marcio A B C Rockenbach, Guilherme G May, Leonardo M Vedolin, Marilia S Kruger, Matheus D Soldatelli, Guilherme Zwetsch, Gabriel T F de Miranda, Saone I P Teixeira, Bruna S Arruda
OBJECTIVES: To evaluate the quality assurance of mammography results at a reference institution for the diagnosis and treatment of breast cancer in southern Brazil, based on the BIRADS (Breast Imaging Reporting and Data System) 5th edition recommendations for auditing purposes. MATERIALS AND METHODS: Retrospective cohort and cross-sectional study with 4502 patients (9668 mammographies)) who underwent at least one or both breast mammographies throughout 2013 at a regional public hospital, linked to a federal public university...
October 4, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28980212/injectable-facial-fillers-imaging-features-complications-and-diagnostic-pitfalls-at-mri-and-pet-ct
#6
REVIEW
Pravin Mundada, Romain Kohler, Sana Boudabbous, Laurence Toutous Trellu, Alexandra Platon, Minerva Becker
Injectable fillers are widely used for facial rejuvenation, correction of disabling volumetric fat loss in HIV-associated facial lipoatrophy, Romberg disease, and post-traumatic facial disfiguring. The purpose of this article is to acquaint the reader with the anatomy of facial fat compartments, as well as with the properties and key imaging features of commonly used facial fillers, filler-related complications, interpretation pitfalls, and dermatologic conditions mimicking filler-related complications. The distribution of facial fillers is characteristic and depends on the anatomy of the superficial fat compartments...
October 4, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28980163/mri-for-adenomyosis-a-pictorial-review
#7
REVIEW
Lisa Agostinho, Rita Cruz, Filipa Osório, João Alves, António Setúbal, Adalgisa Guerra
Adenomyosis is defined as the presence of ectopic endometrial glands and stroma within the myometrium. It is a disease of the inner myometrium and results from infiltration of the basal endometrium into the underlying myometrium. Transvaginal ultrasonography (TVUS) and magnetic resonance imaging (MRI) are the main radiologic tools for this condition. A thickness of the junctional zone of at least 12 mm is the most frequent MRI criterion in establishing the presence of adenomyosis. Adenomyosis can appear as a diffuse or focal form...
October 4, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28963700/enterocutaneous-fistulas-a-primer-for-radiologists-with-emphasis-on-ct-and-mri
#8
REVIEW
Massimo Tonolini, Paolo Magistrelli
Enterocutaneous fistulas (ECFs) represent abnormal communications between the gastrointestinal tract and the skin. Nowadays, the majority (~80%) of ECFs develops secondary to abdominal surgeries; alternative, less common causes include chronic inflammatory bowel diseases (IBD) such as Crohn's disease, tumours, and radiation enteritis in descending order of frequency. These rare disorders require thorough patient assessment and multidisciplinary management to limit the associated morbidity and mortality. This pictorial review includes an overview of causes, clinical manifestations, complications and management of ECFs...
September 29, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28952058/awareness-and-knowledge-of-radiation-dose-and-associated-risks-among-final-year-medical-students-in-norway
#9
Sundaran Kada
OBJECTIVES: The objective was to assess the knowledge of radiation dose and of the associated risks with ionising imaging examinations of medical students in their final year of training prior to graduating. METHODS: An online questionnaire was sent to all final year medical students from two universities. The questionnaire consisted of radiation dose and risk related questions, with multiple choices, only one of these choices was the correct answer. A 'correct' answer was given one mark and no mark was given for 'incorrect/do not know' answers...
September 26, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28884462/benchmarking-adult-ct-dose-levels-to-regional-and-national-references-using-a-dose-tracking-software-a-multicentre-experience
#10
Lotte Pyfferoen, Tom H Mulkens, Federica Zanca, Timo De Bondt, Paul M Parizel, Jan W Casselman
OBJECTIVES: To benchmark CT-dose data for standard adult CT studies to regional and national reference levels using a dose-tracking system. METHODS: Data from five CT systems from three hospitals were collected over a 1- to 2.5-year period (2012-2014), using the same type of dose management system. Inclusion criteria were adult patients and standard CT-head, CT-abdomen-pelvis, CT-thorax, CT-lumbar spine, CT-pulmonary embolism, CT-cervical spine and CT-thorax-abdomen studies, with one helical scan...
September 7, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28856600/esr-concept-paper-on-value-based-radiology
#11
(no author information available yet)
The European Society of Radiology (ESR) established a Working Group on Value-Based Imaging (VBI WG) in August 2016 in response to developments in European healthcare systems in general, and the trend within radiology to move from volume- to value-based practice in particular. The value-based healthcare (VBH) concept defines "value" as health outcomes achieved for patients relative to the costs of achieving them. Within this framework, value measurements start at the beginning of therapy; the whole diagnostic process is disregarded, and is considered only if it is the cause of errors or complications...
August 30, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28840489/plain-radiography-in-patients-treated-with-intrathecal-drug-delivery-using-an-implantable-pump-device
#12
Elmar M Delhaas, Biswadjiet S Harhangi, Sander P G Frankema, Frank J P M Huygen, Aad van der Lugt
OBJECTIVES: Intrathecal drug administration using an implanted pump system is well established in intractable spasticity and pain. However, despite continuous advancements in manufacturing technology, adverse events related to the pump and catheter still occur. Most of them, such as migration, damage, disconnection and occlusion, are related to the spinal catheter. The aim of this overview is to update radiologists on how plain radiography of the implanted delivery system for intrathecal drug administration should be interpreted and to increase awareness for the need of urgent and timely multidisciplinary troubleshooting...
August 24, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28828723/the-value-of-advanced-mri-techniques-in-the-assessment-of-cervical-cancer-a-review
#13
REVIEW
Evelyn Dappa, Tania Elger, Annette Hasenburg, Christoph Düber, Marco J Battista, Andreas M Hötker
OBJECTIVES: To assess the value of new magnetic resonance imaging (MRI) techniques in cervical cancer. METHODS: We searched PubMed and MEDLINE and reviewed articles published from 1990 to 2016 to identify studies that used MRI techniques, such as diffusion weighted imaging (DWI), intravoxel incoherent motion (IVIM) and dynamic contrast enhancement (DCE) MRI, to assess parametric invasion, to detect lymph node metastases, tumour subtype and grading, and to detect and predict tumour recurrence...
August 21, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28786002/pulmonary-fibrosis-on-the-lateral-chest-radiograph-kerley-d-lines-revisited
#14
REVIEW
Daniel B Green, Alan C Legasto, Ian R Drexler, James F Gruden
The retrosternal clear space (RCS) is a lucent area on the lateral chest radiograph located directly behind the sternum. The two types of pathology classically addressed in the RCS are anterior mediastinal masses and emphysema. Diseases of the pulmonary interstitium are a third type of pathology that can be seen in the RCS. Retrosternal reticular opacities, known as Kerley D lines, were initially described in the setting of interstitial oedema. Pulmonary fibrosis is another aetiology of Kerley D lines, which may be more easily identified in the RCS than elsewhere on the chest radiograph...
August 7, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28710678/breast-magnetic-resonance-imaging-tips-for-the-diagnosis-of-silicone-induced-granuloma-of-a-breast-implant-capsule-sigbic
#15
REVIEW
Eduardo de Faria Castro Fleury, Ana Claudia Gianini, Veronica Ayres, Luciana C Ramalho, Rodrigo Oliveira Seleti, Decio Roveda
Complications resulting from the placement of silicone breast implants are becoming more frequent in our clinical practice. This is due to the increase in breast aesthetic surgeries at the beginning of the century, where breast augmentation using silicone implants was the main intervention performed. Generally, studies that discuss the complications of breast implants are restricted to reports of intra- or extra-capsular ruptures, contractures and haematomas. Currently, much importance has been given to anaplastic large cell lymphoma (ALCL) as a more severe complication related to silicone implants...
August 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28639114/imaging-guided-chest-biopsies-techniques-and-clinical-results
#16
REVIEW
Michele Anzidei, Andrea Porfiri, Fabrizio Andrani, Michele Di Martino, Luca Saba, Carlo Catalano, Mario Bezzi
BACKGROUND: This article aims to comprehensively describe indications, contraindications, technical aspects, diagnostic accuracy and complications of percutaneous lung biopsy. METHODS: Imaging-guided biopsy currently represents one of the predominant methods for obtaining tissue specimens in patients with lung nodules; in many cases treatment protocols are based on histological information; thus, biopsy is frequently performed, when technically feasible, or in case other techniques (such as bronchoscopy with lavage) are inconclusive...
August 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28639113/ergonomic-strategies-to-improve-radiographers-posture-during-mammography-activities
#17
Nicolai Cernean, Florentino Serranheira, Pedro Gonçalves, Cláudia Sá Dos Reis
OBJECTIVES: To identify alternatives for radiographers' postures while performing mammography that can contribute to reduce the risk of work-related musculoskeletal disorders (WRMSDs). METHODS: Radiographers' postures to positioning craniocaudal (CC) and mediolateral oblique (MLO) views were simulated without any intervention for three scenarios: radiographer/patient with similar statures, radiographer smaller than patient and radiographer taller than patient. Actions were taken to modify the postures: seated radiographer; patient on a step; seated patient; radiographer on a step...
August 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28631148/early-postoperative-imaging-after-non-bariatric-gastric-resection-a-primer-for-radiologists
#18
REVIEW
Massimo Tonolini, Elena Bracchi
Surgical resection represents the mainstay treatment and only potentially curative option for gastric carcinoma, and is increasingly performed laparoscopically. Furthermore, other tumours and selected cases of non-malignant disorders of the stomach may require partial or total gastrectomy. Often performed in elderly patients, gastric resection remains a challenging procedure, with significant morbidity (14-43% complication rate) and non-negligible postoperative mortality (approximately 3%). This paper provides an overview of contemporary surgical techniques for non-bariatric gastric resection, reviews and illustrates the expected postoperative imaging appearances, common and unusual complications after partial and total gastrectomy...
August 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28624970/cardiovascular-implantable-electronic-devices-a-review-of-the-dangers-and-difficulties-in-mr-scanning-and-attempts-to-improve-safety
#19
REVIEW
Pei Ghim Poh, Charlene Liew, Colin Yeo, Le Roy Chong, Andrew Tan, Angeline Poh
An increasing number of patients are being treated with cardiovascular implantable electronic devices (CIEDs), many of which are MR conditional. There is a lack of literature on the safe scanning of MR conditional CIEDs. This review article discusses MR imaging safety in patients with implanted CIEDs. Guidelines on safe use and indications of imaging patients with MR conditional CIEDs are described, followed by a pictorial essay of the radiographic features of these devices. We also discuss the challenges of monitoring the patient in the MR environment, advances in MRI conditional imaging of devices, availability, limitations and workflow including vendor-specific and other collaborative efforts to simplify the scanning process...
August 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28616760/liver-segmentation-indications-techniques-and-future-directions
#20
REVIEW
Akshat Gotra, Lojan Sivakumaran, Gabriel Chartrand, Kim-Nhien Vu, Franck Vandenbroucke-Menu, Claude Kauffmann, Samuel Kadoury, Benoît Gallix, Jacques A de Guise, An Tang
OBJECTIVES: Liver volumetry has emerged as an important tool in clinical practice. Liver volume is assessed primarily via organ segmentation of computed tomography (CT) and magnetic resonance imaging (MRI) images. The goal of this paper is to provide an accessible overview of liver segmentation targeted at radiologists and other healthcare professionals. METHODS: Using images from CT and MRI, this paper reviews the indications for liver segmentation, technical approaches used in segmentation software and the developing roles of liver segmentation in clinical practice...
August 2017: Insights Into Imaging
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