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Patient-centred imaging

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https://www.readbyqxmd.com/read/28717612/intratendinous-tears-of-the-achilles-tendon-a-new-pathology-analysis-of-a-large-4-year-cohort
#1
Otto Chan, Sarah Morton, Mel Pritchard, Tina Parkes, Peter Malliaras, Tom Crisp, Nat Padhiar, Nicola Maffulli, John King, Dylan Morrissey
BACKGROUND: Achillodynia is common and includes Achilles tendinopathy, partial Achilles tears and Achilles tendon ruptures. However, we believe an additional pathology should be considered for Achillodynia differentials - the intratendinous tear (ITT). METHODS: Examinations of 740 achillodynic patients in one specialist centre were reviewed. ITTs were defined as a clearly visualised echopoor area situated centrally and extending to, but not through the tendon periphery, with pain on palpation and no clinical findings consistent with Achilles rupture...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28717544/is-it-safe-to-prescribe-ascorbic-acid-for-urinary-acidification-in-stone-forming-patients-with-alkaline-urine
#2
Yasser A Noureldin, Alexandrine da Silva, Nader Fahmy, Sero Andonian
OBJECTIVE: To study the effect of ascorbic acid (AA) supplementation on urinary pH, metabolic stone workup parameters, and development of de novo urolithiasis in stone-forming patients. MATERIAL AND METHODS: A retrospective review of the patients followed-up at a tertiary stone centre between September 2009 and October 2015 was performed. Patients with recurrent urolithiasis who received AA supplementation as a urinary acidifying agent were included in the study...
June 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28717395/brain-imaging-before-primary-lung-cancer-resection-a-controversial-topic
#3
Zoe Hudson, Eveline Internullo, Anthony Edey, Isabel Laurence, Davide Bianchi, Alfredo Addeo
OBJECTIVE: International and national recommendations for brain imaging in patients planned to undergo potentially curative resection of non-small-cell lung cancer (NSCLC) are variably implemented throughout the United Kingdom [Hudson BJ, Crawford MB, and Curtin J et al (2015) Brain imaging in lung cancer patients without symptoms of brain metastases: a national survey of current practice in EnglandClin Radiol https://doi.org/10.1016/j.crad.2015.02.007]. However, the recommendations are not based on high-quality evidence and do not take into account cost implications and local resources...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28717210/linked-colour-imaging-benefits-the-endoscopic-diagnosis-of-distal-gastric-diseases
#4
Xiaotian Sun, Yiliang Bi, Tenghui Dong, Min Min, Wei Shen, Yang Xu, Yan Liu
Gastric diseases are common in China, and gastroduodenoscopy could provide accurate diagnoses. Our previous study verified that linked colour imaging (LCI) can improve endoscopic diagnostic accuracy. This study aimed for the first time to establish an LCI-based endoscopic model called colour-microstructure-vessel (CMV) criteria and validated its clinical feasibility for detecting distal gastric diseases manifested as red mucosal lesions under endoscopy in a cohort of 62 patients. Colour features were extracted from the endoscopic images and categorized into 3 types...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28712206/spectrum-of-brain-abnormalities-detected-on-whole-body-f-18-fdg-pet-ct-scan
#5
Aamna Hassan, Yasir Majeed, Khurram Aftab
Positron emission tomography (PET) with integrated computed tomography (CT) is a unique modality to noninvasively scan the whole body for diagnosing, staging and assessing response to therapy in various benign and malignant diseases. 18F fluorodeoxyglucose (FDG) is the most commonly used radiotracer for PET/CT imaging in cancer patients. FDG is a glucose analogue which is the predominant substrate for brain metabolism. As the brain cells are obligate glucose consumers, the knowledge of physiologic radiotracer uptake within the brain is imperative for correct interpretation of abnormal sites of metabolism...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28709144/the-spectrum-of-peri-ictal-mri-changes-four-illustrative-cases
#6
Jennifer Williams, Gerard Mullins, Norman Delanty, Bede Peter, Colin P Doherty
PURPOSE: Seizure induced neuronal hyperexcitability and increased unmet metabolic neuronal demand results in failure of the sodium/potassium ATP pump. Sodium and water accumulates intracellularly with cellular swelling and reduced extracellular volume demonstrating hyperintensity on DWI and reduced ADC. The aim of this study was to describe 4 clinical cases where we identified abnormalities in diffusion restriction in the acute peri-ictal period and followed them longitudinally. METHODS: Patients were recruited from the emergency department, clinical consultation service and epilepsy monitoring unit of two tertiary referral centres...
July 6, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28704342/a-novel-compact-small-field-of-view-hybrid-gamma-camera-first-clinical-results
#7
Aik H Ng, Patricia E Blackshaw, Mohammed S Alqahtani, Layal K Jambi, Sarah L Bugby, John E Lees, Alan C Perkins
INTRODUCTION: Hybrid imaging has proven to be a major innovation in nuclear medicine, allowing the fusion of functional information with anatomical detail. In the past, the use of hybrid imaging such as PET-CT, PET-MRI and SPECT-CT has been of great clinical benefit; however, these scanners are relatively large and bulky. We have developed and investigated the clinical application of a compact small field of view hybrid gamma camera (HGC) that is suitable for small-organ imaging at the patient bedside...
July 12, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28689807/rewriting-the-tip-apex-distance-for-the-proximal-femoral-nail-anti-rotation
#8
Michael Yam, Anuj Chawla, Ernest Kwek
INTRODUCTION: The proximal femur nail anti-rotation (PFNA-II) (Synthes GmbH, Oberdorf, Switzerland) is the most commonly used implant for intramedullary nailing of unstable intertrochanteric fractures in our centre. However, mechanical failure of the bone with respect to the implant is a cause of concern due to its significant morbidity especially in the elderly. To date, factors for fixation failures are not well defined in the literature. This study aims to evaluate the factors that predispose to cut out of the PFNA implant and to provide a guide for surgical fixation...
July 1, 2017: Injury
https://www.readbyqxmd.com/read/28687023/adrenalectomy-for-incidentaloma-lessons-learned-from-a-single-centre-series-of-274-patients
#9
Sébastien Gaujoux, Adeline Aimé, Guillaume Assié, Roberto Ciuni, Stéphane Bonnet, Florence Tenenbaum, Jérome Bertherat, Bertrand Dousset
BACKGROUND: Adrenal incidentalomas are increasingly diagnosed and include a wide spectrum of lesions from benign adenomas to secreting or malignant lesions. The aim of the present study is to report a large single-institution experience of patients undergoing surgery for adrenal incidentaloma with particular attention to their diagnosis and post-operative course and the evolution of surgical practice over time. METHODS: From 1993 to 2013, 274 patients underwent adrenalectomy for incidentaloma...
July 7, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28685007/utility-of-plain-radiographs-in-metabolic-bone-disease-a-case-based-pictorial-review-from-a-tertiary-centre
#10
REVIEW
Jyoti Panwar, Ashish Jacob Mathew, Nancy Jindal, Debashish Danda
In this era of advanced high-tech imaging, the utility of plain radiographs in conditions of the bone is increasingly being overseen by both clinicians and radiologists. Plain radiography is the first-line, essential screening or diagnostic tool for diverse bone diseases, where magnetic resonance imaging (MRI) may be non-contributory. Plain radiographs often play a pivotal role in diagnosing metabolic bone disorders. This paper from a single tertiary care centre discusses ten real-life patients with metabolic bone conditions and other bone diseases with near-normal MRI of the spine, in whom plain radiographs revealed subtle findings and aided in making diagnoses...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28684047/macular-choroidal-thickness-after-vitreoretinal-surgery-long-term-effect-of-pars-plana-vitrectomy-with-and-without-encircling-scleral-buckling-surgery
#11
I Gama, H Proença, A Gonçalves, M Faria, L Almeida, T Bernardo, R Couceiro, M Monteiro-Grillo
PURPOSE: To evaluate the macular choroidal thickness (CT) of eyes subjected to pars plana vitrectomy (PPV) whether or not combined with encircling scleral buckling (ESB) surgery for primary rhegmatogenous retinal detachment repair at 6 months or more after surgery. METHODS: This observational study included: 15 eyes (15 patients) submitted to combined ESB+PPV; 15 eyes submitted to PPV and their respective 30 normal fellow eyes (FE). Two 6mm lineal perpendicular optical coherence tomography B-scans centred on the fovea with enhanced depth imaging were performed on each eye...
July 3, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28683837/evaluation-of-the-clinical-benefit-of-an-electromagnetic-navigation-system-for-ct-guided-interventional-radiology-procedures-in-the-thoraco-abdominal-region-compared-with-conventional-ct-guidance-ctnav-ii-study-protocol-for-a-randomised-controlled-trial
#12
R C Rouchy, A Moreau-Gaudry, E Chipon, S Aubry, L Pazart, B Lapuyade, M Durand, M Hajjam, S Pottier, B Renard, R Logier, X Orry, A Cherifi, E Quehen, G Kervio, O Favelle, F Patat, E De Kerviler, C Hughes, M Medici, J Ghelfi, A Mounier, I Bricault
BACKGROUND: Interventional radiology includes a range of minimally invasive image-guided diagnostic and therapeutic procedures that have become routine clinical practice. Each procedure involves a percutaneous needle insertion, often guided using computed tomography (CT) because of its availability and usability. However, procedures remain complicated, in particular when an obstacle must be avoided, meaning that an oblique trajectory is required. Navigation systems track the operator's instruments, meaning the position and progression of the instruments are visualised in real time on the patient's images...
July 6, 2017: Trials
https://www.readbyqxmd.com/read/28682132/inadequate-pelvic-radiographs-implications-of-not-getting-it-right-the-first-time
#13
S Parker, N S Nagra, K Kulkarni, J Pegrum, S Barry, R Hughes, Y Ghani
INTRODUCTION Pelvic radiography is a frequent investigation. European guidelines aim to ensure appropriate use and adequate quality. When initial images are inadequate, repeat radiographs are often required, which may have significant patient safety and economic implications. OBJECTIVES The study aimed to assess the adequacy of pelvic imaging across three orthopaedic centres, to identify causes for inadequate imaging and to establish the cost of inadequate imaging from financial and patient safety perspectives...
July 6, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28680873/amino-acid-pet-and-mr-perfusion-imaging-in-brain-tumours
#14
REVIEW
Christian P Filss, Francesco Cicone, Nadim Jon Shah, Norbert Galldiks, Karl-Josef Langen
PURPOSE: Despite the excellent capacity of the conventional MRI to image brain tumours, problems remain in answering a number of critical diagnostic questions. To overcome these diagnostic shortcomings, PET using radiolabeled amino acids and perfusion-weighted imaging (PWI) are currently under clinical evaluation. The role of amino acid PET and PWI in different diagnostic challenges in brain tumours is controversial. METHODS: Based on the literature and experience of our centres in correlative imaging with PWI and PET using O-(2-[(18)F]fluoroethyl)-l-tyrosine or 3,4-dihydroxy-6-[(18)F]-fluoro-l-phenylalanine, the current role and shortcomings of amino acid PET and PWI in different diagnostic challenges in brain tumours are reviewed...
2017: Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28680199/diagnostic-accuracy-of-stress-myocardial-perfusion-imaging-in-indian-diabetic-patients-a-single-centre-experience
#15
Deepa Kumar, Ravinder Singh Sethi, Sandeep Bansal, Padma A Namgyal, Aditi Khurana Sehgal, Tajamul Syed Malik
Diabetics have around 2-4 times increased risk of coronary artery disease(CAD) and it is the most important cause of mortality in these patients. This study was carried out to compare the sensitivity, specificity and accuracy of MPI-SPECT among diabetics and non-diabetics in the Indian population. MATERIAL AND METHODS: This retrospective study included 261 patients; 213 males and 48 females, with 75 diabetic and 186 non-diabetic patients. Only type II diabetics and non-diabetic patients were included in the study...
July 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28679449/abatacept-reduces-synovial-regulatory-t-cell-expression-in-patients-with-psoriatic-arthritis
#16
Agnes Szentpetery, Eric Heffernan, Martina Gogarty, Lisa Mellerick, Janet McCormack, Muhammad Haroon, Musaab Elmamoun, Phil Gallagher, Genevieve Kelly, Aurelie Fabre, Brian Kirby, Oliver FitzGerald
BACKGROUND: The aim was to study changes in immunohistochemical expression markers of synovial and skin inflammation, clinical outcomes and magnetic resonance imaging (MRI) scores with abatacept treatment in patients with psoriatic arthritis (PsA). METHODS: Biological-treatment-naïve PsA patients with active disease including synovitis of a knee were enrolled in this single-centre, crossover study. Patients were randomised to receive intravenous abatacept 3 mg/kg of body weight or placebo infusion on day 1, 15 and 29; thereafter abatacept 10 mg/kg of body weight was administered every 28 days for 5 months...
July 5, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28674140/investigating-the-safety-and-activity-of-the-use-of-btt1023-timolumab-in-the-treatment-of-patients-with-primary-sclerosing-cholangitis-buteo-a-single-arm-two-stage-open-label-multi-centre-phase-ii-clinical-trial-protocol
#17
Katherine Arndtz, Margaret Corrigan, Anna Rowe, Amanda Kirkham, Darren Barton, Richard P Fox, Laura Llewellyn, Amrita Athwal, Manpreet Wilkhu, Yung-Yi Chen, Chris Weston, Amisha Desai, David H Adams, Gideon M Hirschfield
INTRODUCTION: Primary sclerosing cholangitis (PSC) is a progressive inflammatory liver disease characterised by relentless liver fibrosis and a high unmet need for new therapies. Preventing fibrosis represents an important area of interest in the development of vital new drugs. Vascular adhesion protein-1 (VAP-1) drives inflammation in liver disease, and provision of an antibody against VAP-1 blunts fibrosis in murine models of liver injury. METHODS AND ANALYSIS: BUTEO is a single-arm, two-stage, open-label, multi-centre, phase II clinical trial...
July 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/28669118/quantifying-fat-replacement-of-muscle-by-quantitative-mri-in-muscular-dystrophy
#18
REVIEW
Jedrzej Burakiewicz, Christopher D J Sinclair, Dirk Fischer, Glenn A Walter, Hermien E Kan, Kieren G Hollingsworth
The muscular dystrophies are rare orphan diseases, characterized by progressive muscle weakness: the most common and well known is Duchenne muscular dystrophy which affects young boys and progresses quickly during childhood. However, over 70 distinct variants have been identified to date, with different rates of progression, implications for morbidity, mortality, and quality of life. There are presently no curative therapies for these diseases, but a range of potential therapies are presently reaching the stage of multi-centre, multi-national first-in-man clinical trials...
July 1, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28668417/mr-enterography-in-paediatric-patients-with-obscure-gastrointestinal-bleeding
#19
Emanuele Casciani, Giovanni Di Nardo, Simone Chin, Gabriele Masselli, Elisabetta Polettini, Salvatore Oliva, Denis A Cozzi, Salvatore Cucchiara, Gianfranco Gualdi
OBJECTIVES: To evaluate the performance of Magnetic Resonance enterography (MRE) in the diagnostic work-up of children presenting with obscure gastrointestinal bleeding (OGIB). MATERIALS AND METHODS: From January 2014 to January 2016, a single-centre prospective study was performed on all children between 0 and 16 years of age referred to the radiology department for OGIB. Each child underwent MRE examination after negative oesophagogastroduodenoscopy and ileocolonoscopy...
August 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28664245/a-semiquantitative-mri-score-can-predict-loss-of-lung-function-in-patients-with-cystic-fibrosis-preliminary-results
#20
Juergen F Schaefer, Andreas Hector, Katharina Schmidt, Matthias Teufel, Sabrina Fleischer, Ute Graepler-Mainka, Joachim Riethmueller, Sergios Gatidis, Susanne Schaefer, Konstantin Nikolaou, Dominik Hartl, Ilias Tsiflikas
OBJECTIVES: To evaluate the applicability of a semiquantitative MRI scoring system (MR-CF-S) as a prognostic marker for clinical course of cystic fibrosis (CF) lung disease. METHODS: This observational study of a single-centre CF cohort included a group of 61 patients (mean age 12.9 ± 4.7 years) receiving morphological and functional pulmonary MRI, pulmonary function testing (PFT) and follow-up of 2 years. MRI was analysed by three raters using MR-CF-S. The inter-rater agreement, correlation of score categories with forced expiratory volume in 1 s (FEV1) at baseline, and the predictive value of clinical parameters, and score categories was assessed for the whole cohort and a subgroup of 40 patients with moderately impaired lung function...
June 29, 2017: European Radiology
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