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Imaging inflammation

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https://www.readbyqxmd.com/read/29679167/hot-joints-myth-or-reality-a-thermographic-joint-assessment-of-inflammatory-arthritis-patients
#1
Britney Jones, Imran Hassan, Ross T Tsuyuki, Marla Francisca Dos Santos, A S Russell, Elaine Yacyshyn
Rheumatoid arthritis is a common inflammatory disease that causes destruction of joints. Accurate recognition of active disease has significant implications in determining appropriate treatment; however, there is significant inter-rater variability in clinical joint assessment. This study aimed to assess the utility of thermographic imaging in the evaluation of inflammatory arthritis activity as an adjunct to clinical assessment. This was a cross-sectional study of 79 subjects recruited from the University of Alberta Outpatient Rheumatology clinic comparing the hand joints of 49 patients with rheumatoid arthritis (RA) diagnosed by American College of Rheumatology (ACR) criteria to 30 healthy volunteers...
April 20, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29678484/chronic-respiratory-rhinitis
#2
R Jankowski, P Gallet, D T Nguyen, C Rumeau
The clinical distinction of chronic respiratory rhinitis appears to confirm the evo-devo theory of the three noses. The authors report two cases of advanced allergic rhinitis, in which chronic inflammation had induced a violaceous colour of the mucosa of the respiratory nose and a whitish polypoid appearance of the free edge of the middle turbinate. Nose and paranasal sinus CT scan revealed, beyond the virtual nasal cavities observed on nasal endoscopy and CT imaging, normal radiolucency or only minor opacities of the ethmoid (i...
April 17, 2018: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29678187/an-unexpected-cause-of-sacroiliitis-in-a-patient-with-gout-and-chronic-psoriasis-with-inflammatory-arthritis-a-case-report
#3
Safi Alqatari, Roberta Visevic, Nina Marshall, John Ryan, Grainne Murphy
BACKGROUND: Inflammatory back pain is a condition characterized by inflammation of the sacroiliac joints and lower spine. It is frequently seen in patients with spondyloarthropathies like ankylosing spondylitis, psoriatic arthritis, enteropathic arthritis and reactive arthritis. Inflammatory back pain can be caused by many other conditions like infection and crystal deposition such as gout. In this case, it is difficult to specifically identify gout as a cause by ordinary imaging like magnetic resonance imaging (MRI) or ultrasound...
April 20, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29676905/quantitative-mass-spectrometry-imaging-of-prostaglandins-as-silver-ion-adducts-with-nanospray-desorption-electrospray-ionization
#4
Kyle D Duncan, Ru Fang, Jia Yuan, Rosalie K Chu, Sudhansu K Dey, Kristin E Burnum-Johnson, Ingela Lanekoff
Prostaglandins (PG) are an important class of lipid biomolecules that are essential in many biological processes, including inflammation and successful pregnancy. Despite a high bioactivity, physiological concentrations are typically low, which makes direct mass spectrometric analysis of endogenous PG species challenging. Consequently, there have not been any studies investigating the localization of PG species to specific morphological regions in tissue sections using mass spectrometry imaging (MSI) techniques...
April 20, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29676522/adalimumab-based-treatment-versus-dmards-for-venous-thrombosis-in-beh%C3%A3-et-syndrome-a-retrospective-study-of-70-patients-with-vascular-involvement
#5
Giacomo Emmi, Antonio Vitale, Elena Silvestri, Maria Boddi, Matteo Becatti, Claudia Fiorillo, Claudia Fabiani, Bruno Frediani, Lorenzo Emmi, Gerardo Di Scala, Matteo Goldoni, Alessandra Bettiol, Augusto Vaglio, Luca Cantarini, Domenico Prisco
OBJECTIVES: Since Behçet syndrome (BS) is the prototype of inflammation-induced thrombosis, immunosuppressants are recommended in place of anticoagulants. Here we assessed the clinical efficacy and the corticosteroid-sparing effect of adalimumab (ADA)-based treatment versus DMARDs in a large retrospective cohort of patients with BS-related venous thrombosis. METHODS: We retrospectively collected data from 70 BS patients treated with DMARDs or ADA-based regimens (ADA ± DMARDs) because of venous complications...
April 20, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29676227/chemically-modified-mrna-modified-rna-application-for-treatment-of-achilles-tendon-defects
#6
Elmar Herbst, Florian Imhoff, Peter Föhr, Stefan Milz, Christian Plank, Carsten Rudolph, Günther Hasenpusch, Johannes Geiger, Manish Aneja, Karoline Groth, Stephan Vogt, Andreas Imhoff, Andreas Schmitt
Different regenerative medicine approaches for tendon healing exist. Recently, especially gene therapy gained popularity. However, potential mutagenic and immunologic effects might prevent from translation to clinical research. Chemically modified mRNA (cmRNA) might bypass these limitations of gene therapy. Therefore, the purpose of this study was to evaluate the early healing properties of Achilles tendon defects in rats treated with basic fibroblast growth factor (bFGF) cmRNA. Forty male Lewis rats were used for the study and randomly assigned to the two study groups: 1) treatment with cmRNA coding for bFGF, 2) non-coding cmRNA control...
April 20, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29675735/xanthogranulomatosis-of-the-spleen-a-case-report
#7
Goshi Fujimoto, Ken Hayashi, Shigetoshi Yamada, Hiroshi Kusanagi, Koichi Honma
BACKGROUND: Xanthogranulomatous inflammation is recognized as a subtype of cholecystitis; however, it can also occur in other organs. Xanthogranulomatosis of the kidney, bone, ovary, endometrium, vagina, prostate, lymph nodes and pancreas was reported. Herein, we report a case of laparoscopic splenectomy in a patient with xanthogranulomatosis of the spleen that was difficult to diagnose preoperatively. CASE PRESENTATION: A 63-year-old man with a past medical history of hyperlipidemia had gradually growing multiple splenic masses, which were revealed on abdominal ultrasonography...
April 19, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29675355/optical-coherence-tomography-angiography-monitors-human-cutaneous-wound-healing-over-time
#8
Anthony J Deegan, Wendy Wang, Shaojie Men, Yuandong Li, Shaozhen Song, Jingjiang Xu, Ruikang K Wang
Background: In vivo imaging of the complex cascade of events known to be pivotal elements in the healing of cutaneous wounds is a difficult but essential task. Current techniques are highly invasive, or lack the level of vascular and structural detail required for accurate evaluation, monitoring and treatment. We aimed to use an advanced optical coherence tomography (OCT)-based angiography (OCTA) technique for the non-invasive, high resolution imaging of cutaneous wound healing. Methods: We used a clinical prototype OCTA to image, identify and track key vascular and structural adaptations known to occur throughout the healing process...
March 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29675304/identifying-intestinal-fibrosis-and-inflammation-by-spectroscopic-photoacoustic-imaging-an-animal-study-in-vivo
#9
Yunhao Zhu, Laura A Johnson, Ziyi Huang, Jonathan M Rubin, Jie Yuan, Hao Lei, Jun Ni, Xueding Wang, Peter D R Higgins, Guan Xu
Crohn's disease (CD) is a chronic autoimmune disease characterized by obstructing intestinal strictures. Conventional imaging modalities can identify the strictures but cannot characterize whether a stricture is predominantly inflammatory or fibrotic. The purpose of this study is to examine the capability of photoacoustic (PA) imaging to characterize intestinal fibrosis and inflammation in vivo . Intestinal strictures in a rat model of CD were imaged with a PA-ultrasound parallel imaging system. Internal and external illuminations were attempted, both with transcutaneous PA signal reception...
April 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29675020/systemic-inflammation-and-cardiovascular-comorbidity-in-psoriasis-patients-causes-and-consequences
#10
REVIEW
Wolf-Henning Boehncke
Psoriasis is a common inflammatory skin disease characterized by the appearance of red scaly plaques that can affect any part of the body. High prevalence, chronicity, disfiguration, disability, and associated comorbidity make it a challenge for clinicians of multiple specialties. Likewise, its complex pathogenesis, comprising inflammation, hyperproliferation, and angioneogenesis, intrigues numerous scientific disciplines, namely, immunology. From a clinical perspective, the severity of psoriasis is highlighted by its increased mortality, with cardiovascular diseases contributing the highest excess risk...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29673575/classification-and-diagnostic-criteria-for-demyelinating-diseases-of-the-central-nervous-system-where-do-we-stand-today
#11
REVIEW
G Mathey, M Michaud, S Pittion-Vouyovitch, M Debouverie
The diagnosis of multiple sclerosis (MS) and other demyelinating diseases of the central nervous system is challenging, and although the currently available biological and imaging tools offer considerable support to physicians, these tools often fail to provide a simple and final answer at the time of a first event. Thus, sets of diagnostic criteria have been published and tested on patient cohorts, and are now used in clinical trials and in daily clinical practice. These criteria have evolved over time to take into account physicians' and patients' needs, along with emerging paraclinical tests...
April 16, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29673574/carotid-contrast-enhanced-ultrasonography-and-multimodal-imaging-in-a-case-of-tipic-syndrome
#12
REVIEW
R El Nawar, N Villain, J-M Baud, M De Malherbe, F Pico
Transient perivascular inflammation of the carotid artery (TIPIC) syndrome, previously referred to as 'carotidynia', is an unclassified clinicoradiological entity associating atypical acute neck pain, eccentric perivascular infiltration on imaging and improvement of symptoms either spontaneously or with anti-inflammatory treatment. This case report presents a patient with TIPIC syndrome who underwent five different types of imaging modality, including contrast-enhanced ultrasonography (CEUS) of the carotids, and describes the CEUS appearances of TIPIC syndrome...
April 16, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29673379/erythropoietin-as-an-add-on-treatment-for-cognitive-side-effects-of-electroconvulsive-therapy-a-study-protocol-for-a-randomized-controlled-trial
#13
Lejla Sjanic Schmidt, Jeff Zarp Petersen, Maj Vinberg, Ida Hageman, Niels Vidiendal Olsen, Lars Vedel Kessing, Martin Balslev Jørgensen, Kamilla Woznica Miskowiak
BACKGROUND: Electroconvulsive therapy (ECT) is the most effective treatment for severe depression, but its use is impeded by its cognitive side effects. Novel treatments that can counteract these side effects may therefore improve current treatment strategies for depression. The present randomized trial investigates (1) whether short-term add-on treatment with erythropoietin (EPO) can reduce the cognitive side -effects of ECT and (2) whether such effects are long-lasting. Further, structural and functional magnetic resonance imaging (MRI) will be used to explore the neural underpinnings of such beneficial effects of EPO...
April 19, 2018: Trials
https://www.readbyqxmd.com/read/29673292/relationship-between-inflammation-and-progression-of-an-abdominal-aortic-aneurysm-in-a-rabbit-model-based-on-18f-fdg-pet-ct-imaging
#14
Mao-Xiao Nie, Xue-Hui Zhang, Yun-Feng Yan, Quan-Ming Zhao
Objective To explore the relationship between abdominal aortic aneurysm development and inflammation in the rabbit through the establishment of a rabbit infrarenal abdominal aortic aneurysm model and the use of 18F-FDG PET/CT imaging. Methods Twenty male New Zealand rabbits were administered an elastase intracavity perfusion to induce an infrarenal abdominal aortic aneurysm model. Prior to surgery, the rabbits underwent abdominal aorta ultrasonic testing and blood collection from the ear veins. Of the original 20 rabbits, 10 rabbits were euthanized two weeks after the operation following ultrasonic testing, PET/CT scanning and blood collection, and their arterial tissue samples were prepared for pathological and immunohistochemical staining...
January 1, 2018: Vascular
https://www.readbyqxmd.com/read/29673049/impact-of-ozone-on-claudins-and-tight-junctions-in-the-lungs
#15
Byeong-Gon Kim, Pureun-Haneul Lee, Sun-Hye Lee, Choon-Sik Park, An-Soo Jang
Claudins (CLDNs) are a major transmembrane protein component of tight junctions (TJs) in endothelia and epithelia. CLDNs are not only essential for sustaining the role of TJs in cell permeability but are also vital for cell signaling through protein-protein interactions. Ozone induces oxidative stress and lung inflammation in humans and experimental models, but the impact of ozone on claudins remains poorly understood. This study was to determine the expression of TJ proteins, such as claudin 3, 4, 5, and 14 following ozone exposure...
April 19, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29672844/longitudinal-positron-emission-tomography-imaging-of-glial-cell-activation-in-a-mouse-model-of-mesial-temporal-lobe-epilepsy-toward-identification-of-optimal-treatment-windows
#16
Duc-Loc Nguyen, Catriona Wimberley, Charles Truillet, Benoit Jego, Fabien Caillé, Géraldine Pottier, Raphaël Boisgard, Irène Buvat, Viviane Bouilleret
OBJECTIVE: Mesiotemporal lobe epilepsy is the most common type of drug-resistant partial epilepsy, with a specific history that often begins with status epilepticus due to various neurological insults followed by a silent period. During this period, before the first seizure occurs, a specific lesion develops, described as unilateral hippocampal sclerosis (HS). It is still challenging to determine which drugs, administered at which time point, will be most effective during the formation of this epileptic process...
April 19, 2018: Epilepsia
https://www.readbyqxmd.com/read/29672808/anterior-chest-wall-in-axial-spondyloarthritis-imaging-interpretation-and-differential-diagnosis
#17
Winston J Rennie, Lennart Jans, Anne Grethe Jurik, Iwona Sudoł-Szopińska, Claudia Schueller-Weidekamm, Iris Eshed
Anterior chest wall (ACW) inflammation is not an uncommon finding in patients with axial spondyloarthritis (ax-SpA) and reportedly occurs in 26% of these patients. Radiologists may only be familiar with spinal and peripheral joint imaging, possibly due to the inherent challenges of ACW imaging on some cross-sectional imaging modalities. Knowledge of relevant joint anatomy and the location of sites of inflammation allows the interpreting radiologist to better plan appropriate imaging tests and imaging planes...
April 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29672807/imaging-to-differentiate-the-various-forms-of-seronegative-arthritis
#18
Iris Eshed, Kay-Geert A Hermann, Anna Zejden, Iwona Sudoł-Szopińska
Spondyloarthritis (SpA) is a group of diseases characterized by back pain, spinal inflammation, human leukocyte antigen-B27 positivity, and peripheral findings such as dactylitis, enthesitis, and uveitis. It includes ankylosing spondylitis, psoriatic arthritis, reactive arthritis, arthritis associated with inflammatory bowel disease, and undifferentiated SpA. The role of imaging in the diagnosis, management, and follow-up of patients with SpA has become dramatically more important with the introduction of new therapies such as tumor necrosis factor-α inhibitors...
April 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29672806/sacroiliitis-in-axial-spondyloarthritis-assessing-morphology-and-activity
#19
Lennart Jans, Niels Egund, Iris Eshed, Iwona Sudoł-Szopińska, Anne Grethe Jurik
OBJECTIVE:  To review the strengths, limitations, and new insights in the anatomy and magnetic resonance imaging (MRI) features of active and structural lesions of sacroiliitis in spondyloarthritis. DISCUSSION:  MRI plays a key role in the diagnosis and follow-up of sacroiliitis in spondyloarthritis. MRI of the sacroiliac joints in affected patients may show active lesions such as bone marrow edema, capsulitis, enthesitis, or synovitis as well as structural changes such as erosion, fat infiltration, sclerosis, backfill, and ankylosis...
April 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29672804/imaging-features-of-the-juvenile-inflammatory-arthropathies
#20
Iwona Sudoł-Szopińska, Lennart Jans, Anne Grethe Jurik, Robert Hemke, Iris Eshed, Nathalie Boutry
We discuss the imaging of several juvenile inflammatory arthropathies including juvenile idiopathic arthritis, juvenile systemic lupus erythematosus, juvenile scleroderma, juvenile dermatomyositis, and chronic recurrent multifocal osteomyelitis. Juvenile idiopathic arthritis is the most common autoimmune chronic systemic disease of connective tissue in children. The remaining systemic juvenile connective tissue diseases are rare. However, they require early diagnosis and initiation of treatment to prevent injury, not only to the musculoskeletal system but also to the internal organs, and even death...
April 2018: Seminars in Musculoskeletal Radiology
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