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Computerised tomography

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https://www.readbyqxmd.com/read/28891021/anteromedial-cortical-support-reduction-in-unstable-pertrochanteric-fractures-a-comparison-of-intra-operative-fluoroscopy-and-post-operative-three-dimensional-computerised-tomography-reconstruction
#1
Shi-Min Chang, Ying-Qi Zhang, Shou-Chao Du, Zhuo Ma, Sun-Jun Hu, Xi-Zhou Yao, Wen-Feng Xiong
PURPOSE: Anteromedial cortical support reduction is favourable for secondary stability after limited sliding in unstable pertrochanteric fractures. The aim of this study was to compare the accuracy and agreement between intra-operative fluoroscopy and post-operative 3D reconstruction. MATERIALS AND METHODS: A retrospective analysis of 28 patients (mean 81.6 years) treated with short cephalomedullary nails was performed. All patients had full sets of intra-operative fluoroscopy and post-operative 3D CT images...
September 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28876670/foley-catheter-balloon-tamponade-fcbt-for-penetrating-neck-injuries-pni-at-groote-schuur-hospital-an-update
#2
M F Scriba, P H Navsaria, A J Nicol, S Edu, A Al-Sayari
BACKGROUND: A previous study from Groote Schuur Hospital (GSH) highlighted the success of FCBT (PNI). METHOD: The records of all patients with PNI requiring FCBT for a neck injury presenting to GSH within an 11-month study period were reviewed. Prospectively captured data on the Electronic Trauma Health Record Application (eTHRApp), was retrospectively analysed. Analysed data included demographics, clinical signs on admission, imaging, management and major outcomes...
June 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28856438/3d-printing-the-pterygopalatine-fossa-a-negative-space-model-of-a-complex-structure
#3
Ross Bannon, Shivani Parihar, Yiannis Skarparis, Ourania Varsou, Enis Cezayirli
PURPOSE: The pterygopalatine fossa is one of the most complex anatomical regions to understand. It is poorly visualized in cadaveric dissection and most textbooks rely on schematic depictions. We describe our approach to creating a low-cost, 3D model of the pterygopalatine fossa, including its associated canals and foramina, using an affordable "desktop" 3D printer. METHODS: We used open source software to create a volume render of the pterygopalatine fossa from axial slices of a head computerised tomography scan...
August 30, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28826641/radiographer-screening-for-incidental-pulmonary-emboli-on-routine-contrast-enhanced-computerised-tomography-scans-at-a-cancer-centre
#4
A Kilburn, S I Iddles, B M Carrington
AIM: To introduce and assess effectiveness of a radiographer-led screening programme for the detection of unsuspected pulmonary emboli on routine contrast-enhanced computed tomography (CT), and to evaluate radiographer response to this extended role. MATERIALS AND METHODS: A training programme was devised for all radiographic staff working in CT. The screening service was introduced and monthly quality assurance performed with cumulative analysis of the first 2 years...
August 18, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28782747/laparoscopic-surgery-for-solitary-insulinoma-in-the-absence-of-ious
#5
Abhay Narendra Dalvi, Mahadeo Namdeo Garale, Yogesh Prabhakar Takalkar, Sameer Ashok Rege, Pinky Manoharlal Thapar, Lila Anurag, Nalini Samir Shah
BACKGROUND: Insulinomas are the most common pancreatic neuroendocrine neoplasms. In spite of adequate pre-operative localisation, conventional surgical methods rely on intraoperative palpation. Intraoperative ultrasonography (IOUS) is said to aid in accurate localisation, decreases morbidity. Laparoscopic removal of pancreatic endocrine neoplasms is beneficial due to magnification and minimal invasion; however, in the absence of IOUS, error of judgement may lead to conversion to open surgery, thereby relying on 'palpation method' to localise the tumour...
August 1, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28765420/lesson-of-the-month-1-large-vessel-vasculitis-a-diagnostic-challenge-and-the-role-of-18-fluorodeoxyglucose-positron-emission-tomography
#6
Andrew Allard, Ramesh Mootoo
Large vessel vasculitis can pose a significant diagnostic challenge. It may be insidious in onset with the only presenting symptoms consisting of constitutional compromise. It may mimic other pathologies and the only serological abnormalities may be abnormal inflammatory markers. Conventional imaging modalities may not be diagnostic. We present a case of large vessel vasculitis that proved a significant diagnostic challenge with diagnosis established on 18F-fluorodeoxyglucose positron emission tomography (18F-FDG PET) computerised tomography (CT) imaging...
July 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28741653/a-randomised-controlled-trial-of-oral-chloral-hydrate-vs-intranasal-dexmedetomidine-before-computerised-tomography-in-children
#7
V M Yuen, B L Li, D K Cheuk, M K M Leung, T W C Hui, I C Wong, W W Lam, S W Choi, M G Irwin
Chloral hydrate is commonly used to sedate children for painless procedures. Children may recover more quickly after sedation with dexmedetomidine, which has a shorter half-life. We randomly allocated 196 children to chloral hydrate syrup 50 mg.kg(-1) and intranasal saline spray, or placebo syrup and intranasal dexmedetomidine spray 3 μg.kg(-1) , 30 min before computerised tomography studies. More children resisted or cried after drinking chloral hydrate syrup than placebo syrup, 72 of 107 (67%) vs. 42 of 87 (48%), p = 0...
July 25, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28642109/neoaortic-xenoprosthetic-grafts-for-treatment-of-mycotic-aneurysms-and-infected-aortic-grafts
#8
Chukwudubem Anibueze, Visesh Sankaran, Umar Sadat, Kelvin Tan, Yvonne G Wilson, Robert E Brightwell, Michael S Delbridge, Philip W Stather
BACKGROUND: There is no international consensus regarding the optimum management of infected aortae (mycotic aneurysms, infected aortic grafts). Neoaortoiliac reconstruction has advantages over extra-anatomical bypass grafting; however, the use of autologous vein is associated with venous hypertension and compartment syndrome, alternatively cadaveric homografts are associated with high rates of perianastomotic hemorrhage, limb occlusion, and pseudoaneurysm. Arterial repair using xenoprosthetic patches is associated with lower infection rates compared to the use of prosthetic material...
June 20, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28641703/a-randomised-controlled-trial-to-assess-the-cost-effectiveness-of-intensive-versus-no-scheduled-follow-up-in-patients-who-have-undergone-resection-for-colorectal-cancer-with-curative-intent
#9
David Mant, Alastair Gray, Siân Pugh, Helen Campbell, Stephen George, Alice Fuller, Bethany Shinkins, Andrea Corkhill, Jane Mellor, Elizabeth Dixon, Louisa Little, Rafael Perera-Salazar, John Primrose
BACKGROUND: Intensive follow-up after surgery for colorectal cancer is common practice but lacks a firm evidence base. OBJECTIVE: To assess whether or not augmenting symptomatic follow-up in primary care with two intensive methods of follow-up [monitoring of blood carcinoembryonic antigen (CEA) levels and scheduled imaging] is effective and cost-effective in detecting the recurrence of colorectal cancer treatable surgically with curative intent. DESIGN: Randomised controlled open-label trial...
May 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28635149/underuse-of-risk-assessment-and-overuse-of-ctpa-in-patients-with-suspected-pulmonary-thromboembolism
#10
Michael Perera, Leena Aggarwal, Ian A Scott, Nicholas Cocks
INTRODUCTION: Evidence suggests potential overuse of computerised tomography pulmonary angiography (CTPA) in patients with suspected pulmonary thromboembolism (PTE) in the absence of consistent use of pre-test clinical prediction rules and D-dimer assays. METHODS: 344 consecutive patients undergoing CTPA at a tertiary hospital were studied for use of D-dimer assays and clinical prediction rules for PTE. For each patient, a modified Wells score (mWS), revised Geneva score (rGS) and PISA model were calculated retrospectively; performance characteristics for each rule for PTE were determined in reference to results of CTPA...
June 21, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28627987/computerised-tomography-and-magnetic-resonance-imaging-of-laryngeal-squamous-cell-carcinoma-a-practical-approach
#11
Francesco Agnello, Francesco Cupido, Gianvincenzo Sparacia, Federico Midiri, Martina Miroddi, Emanuele Grassedonio, Massimo Galia
Squamous cell carcinoma is the most common head and neck cancer. This review describes the state-of-the-art computerised tomography and magnetic resonance imaging protocols of the neck and the normal larynx anatomy, and provides a practical approach for the diagnosis and staging of laryngeal squamous cell carcinoma.
June 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28589313/effect-of-a-collar-on-subsidence-and-local-micromotion-of-cementless-femoral-stems-in-vitro-comparative-study-based-on-micro-computerised-tomography
#12
Valérie Malfroy Camine, Hannes A Rüdiger, Dominique P Pioletti, Alexandre Terrier
PURPOSE: The aim of this study is to quantitatively compare the difference in primary stability between collarless and collared versions of the same femoral stem. Specifically, we tested differences in subsidence and micromotion. METHODS: Collarless and collared versions of the same cementless femoral stem were implanted in two groups of six fresh-frozen cadaveric femurs. Each implanted femur was then subsequently tested for axial compressive and torsional loadings...
June 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28585398/genetic-status-determines-18-f-fdg-uptake-in-pheochromocytoma-paraganglioma
#13
Ankita Tiwari, Nalini Shah, Vijaya Sarathi, Gaurav Malhotra, Ganesh Bakshi, Gagan Prakash, Kranti Khadilkar, Reshma Pandit, Anurag Lila, Tushar Bandgar
INTRODUCTION: Although few studies have demonstrated utility of (18) F- fluoro-2-deoxy-d-glucose positron emission tomography/computerised tomography ((18) F-FDG PET/CT) in benign pheochromocytoma/paragangliomas (PCC/PGLs), there limited data on factors predicting the FDG uptake in PCC/PGL. METHODS: The study was conducted at a tertiary health care centre. In addition to the routine investigations, all patients (n = 96) with PCC/PGL were evaluated with (18) F-FDGPET/CT and majority (n = 78) underwent (131) I-metaiodobenzyl guanidine ((131) I-MIBG) scintigraphy...
June 5, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28579245/dentigerous-cysts-associated-with-impacted-third-molars-in-adults-after-decompression-a-prospective-survey-of-reduction-in-volume-using-computerised-analysis-of-cone-beam-computed-tomographic-images
#14
G Lizio, L Tomaselli, L Landini, C Marchetti
We prospectively investigated in adults the decompression of dentigerous cysts associated with impacted third molars at high risk of iatrogenic damage during extraction. The computerised calculated volumetric postoperative reductions measured by cone-beam computed tomography at four and eight months were correlated with the duration of treatment, initial volume, and patient's age. We prospectively monitored 14 adult patients with 14 dentigerous cysts that were associated with impacted third molars, for eight months after decompression...
June 1, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28574117/combined-anteversion-technique-in-total-hip-arthroplasty-for-crowe-iv-developmental-dysplasia-of-the-hip
#15
Biao Zhu, Changzheng Su, Yeteng He, Xingyu Chai, Zhen Li, Zhenyang Hou, Tengteng Lou, Xinfeng Yan
BACKGROUND: A high rate of postoperative dislocation in total hip arthroplasty (THA) for Crowe IV developmental dysplasia of the hip (DDH) has been reported, 1 of the main reasons being higher true acetabular anteversion. If the cup is fixed with normal anteversion, the anterior rim will be excessively exposed, which reduces the contact areas of the cup and bone, affects prosthesis stability, and leads to iliopsoas tendinitis and persistent hip pain after THA. The aim of this study was to demonstrate that when cup anteversion is larger, adjusting femoral anteversion to bring the combined anteversion (CA) into the "safe zone" might prevent dislocation...
May 27, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28572234/lesson-of-the-month-2-contusion-confusion
#16
Helen Wood, Thomas Mayes, Susan King, Joanna Kasznia-Brown, Tarun Solanki
This lesson of the month highlights that certain radiology terminology may be used to report bleeding on head computerised tomography (CT) reports. On-call junior doctors should not be expected to interpret CT head images, so often their decisions will be based on the written report. The wording used can change the clinical decision and therefore the treatment given by a junior doctor. Clinical teams and junior doctors should be educated on terminology in relation to bleeding on CT head reports.
June 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28572221/the-2016-update-to-nice-cg95-guideline-for-the-investigation-of-new-onset-stable-chest-pain-more-innovation-but-at-a-cost
#17
Khaled Alfakih, John P Greenwood, Sven Plein
The National Institute for Health and Care Excellence (NICE) published an update on its guideline on chest pain of recent onset in 2016. The new guideline makes three key changes to the 2010 version. NICE recommend that the previously proposed pre-test probability risk score should no longer be used. They also recommend that a calcium score of zero should no longer be used to rule out coronary artery disease in patients with low pre-test probability. However, the most radical change is that NICE now recommend that all patients with new onset chest pain should be investigated with a computerised tomography coronary angiogram as a first-ine investigation...
June 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28571951/update-in-mild-traumatic-brain-injury
#18
REVIEW
María Dolores Freire-Aragón, Ana Rodríguez-Rodríguez, Juan José Egea-Guerrero
There has been concern for many years regarding the identification of patients with mild traumatic brain injury (TBI) at high risk of developing an intracranial lesion (IL) that would require neurosurgical intervention. The small percentage of patients with these characteristics and the exceptional mortality associated with mild TBI with IL have led to the high use of resources such as computerised tomography (CT) being reconsidered. The various protocols developed for the management of mild TBI are based on the identification of risk factors for IL, which ultimately allows more selective indication or discarding both the CT application and the hospital stay for neurological monitoring...
August 10, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28567107/a-case-of-adult-intussusception-with-greyscale-contrast-enhanced-ultrasound-and-computerised-tomography-correlation
#19
Vasileios Rafailidis, Claudette Phillips, Gibran Yusuf, Paul Sidhu
Intussusception is often misdiagnosed as a cause of bowel ischemia and obstruction among adults due to its relatively rare presentation outside of the paediatric population. Ultrasound is often the first-line investigation for non-specific abdominal pain and can identify the presence of intussusception. In the adult population, it is essential to evaluate for causes and consequences of intussusception; as a result, computerised tomography is often deemed necessary. However, contrast-enhanced ultrasound allows for evaluation of potential causes and complications, including a neoplastic lead point and ischaemia of the bowel, whilst avoiding ionising radiation or nephrotoxic iodinated contrast...
May 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28551834/increased-bone-tracer-uptake-in-symptomatic-patients-with-acl-graft-insufficiency-a-correlation-of-mri-and-spect-ct-findings
#20
Dominic T Mathis, Anna Hirschmann, Anna L Falkowski, Tommi Kiekara, Felix Amsler, Helmut Rasch, Michael T Hirschmann
PURPOSE: Magnetic resonance imaging (MRI) and single-photon emission computerised tomography/computerised tomography (SPECT/CT) are used as diagnostic tools in symptomatic patients after reconstruction of the anterior cruciate ligament (ACL). The benefit of SPECT/CT in comparison with MRI is under debate. The purpose of this study was to investigate whether and how bone tracer uptake (BTU) intensity and distribution in SPECT/CT correlate with MRI findings in symptomatic patients after ACL reconstruction...
May 27, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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