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Radiology, CT, MRI

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https://www.readbyqxmd.com/read/28431197/serum-c-reactive-protein-procalcitonin-and-lactate-dehydrogenase-for-the-diagnosis-of-pancreatic-necrosis
#1
REVIEW
Oluyemi Komolafe, Stephen P Pereira, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: The treatment of people with pancreatic necrosis differs from that of people with oedematous pancreatitis. It is important to know the diagnostic accuracy of serum C-reactive protein (CRP), serum procalcitonin, and serum lactate dehydrogenase (LDH) as a triage test for the detection of pancreatic necrosis in people with acute pancreatitis, so that an informed decision can be made as to whether the person with pancreatic necrosis needs further investigations such as computed tomography (CT) scan or magnetic resonance imaging (MRI) scan and treatment for pancreatic necrosis started...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28420337/right-aortic-arch-analysis-anatomical-variant-or-serious-vascular-defect
#2
Agata Arazińska, Michał Polguj, Konrad Szymczyk, Magdalena Kaczmarska, Łukasz Trębiński, Ludomir Stefańczyk
BACKGROUND: The right-sided aortic arch (RAA) is a rare congenital defect of the aorta. The aim of the study was to assess the occurrence of RAA in diagnoses performed by the University Radiology Department and analyze the frequency of concomitant vascular abnormalities. METHODS: The database of the Radiology Department was retrospectively analyzed between January 2008 and May 2016 with the keyword "right aortic arch". Twenty patients with this diagnosis were identified from a total of 11,690 CT examinations of the chest area, 19,623 CT examinations of brain-supplying vessels, and 1863 MRI examinations of the heart and aortic arch or brain-supplying arteries...
April 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28419645/diagnostic-performance-of-different-imaging-modalities-in-the-assessment-of-distant-metastasis-and-local-recurrence-of-tumor-in-patients-with-non-small-cell-lung-cancer
#3
Yoshiharu Ohno, Takeshi Yoshikawa, Yuji Kishida, Shinichiro Seki, Hisanobu Koyama, Masao Yui, Yoshimori Kassai, Kota Aoyagi, Shigeo Kaminaga, Kazuro Sugimura
PURPOSE: To compare the diagnostic performance of positron emission tomography with [18F] fluoro-2-deoxy-glucose (FDG-PET) coregistered with magnetic resonance imaging (FDG-PET/MRI), MRI with and without diffusion-weighted imaging (DWI), FDG-PET fused with computed tomography (FDG-PET/CT) with brain contrast-enhanced (CE-) MRI, and routine radiological examination for assessment of postoperative recurrence in nonsmall-cell lung cancer (NSCLC) patients. MATERIALS AND METHODS: 96 consecutive postoperative NSCLC patients (52 men, 44 women; mean age 72 years) prospectively underwent whole-body 3T MRI with and without DWI; PET/CTs and routine radiological examinations consisted of CE-brain MRI, whole-body CE-CT, and bone scintigraphy...
April 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28416360/primary-hepatic-angiosarcoma-and-liver-transplantation-radiological-surgical-histological-findings-and-clinical-outcome
#4
M Tran Minh, A Mazzola, F Perdigao, F Charlotte, G Rousseau, F Conti
Angiosarcoma is a rare type of soft tissue sarcoma that accounts for less than 1% of all sarcomas and only 2% of all primary hepatic tumours. Thorotrast, arsenic, and vinyl chloride monomer are frequently listed as occupational exposure risks. The estimated latency is long (10-40 years) in occupational cases and very long (60 years or more) in non-occupational cases. The symptoms and CT-scan appearance of hepatic angiosarcoma (HAS) are non-specific. We present a case of a 65-year-old Caucasian male with history of cryptogenic cirrhosis, low alpha-foetoprotein levels and a single, 4-cm nodule of potential atypical hepatocellular carcinoma (no washout at MRI and CT-scan) in segment VIII...
April 14, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28413736/targeted-intraspinal-radiofrequency-ablation-for-lumbar-spinal-stenosis
#5
Robert E Jacobson, Michelle Granville, Jesse Hatgis DO
INTRODUCTION: By using a combination of magnetic resonance imaging (MRI) and computed tomography (CT) of the lumbar spine, it is possible to distinguish between spinal stenosis caused by bone compression and specific soft tissue epidural intraspinal lesions that cause localized spinal canal stenosis and neural compression. Examples include facet cysts and yellow ligament hypertrophy. Many of these patients are elderly with medical comorbidities that make open surgery problematic. MATERIALS & METHODS: This is a study of patients with predominantly soft tissue stenosis being treated with targeted intraspinal radiofrequency (RF) heat ablation...
March 10, 2017: Curēus
https://www.readbyqxmd.com/read/28409735/quantitative-magnetic-resonance-angiography-as-a-potential-predictor-for-cerebral-hyperperfusion-syndrome-a-preliminary-study
#6
Lukas Andereggen, Sepideh Amin-Hanjani, Marwan El-Koussy, Rajeev K Verma, Kenya Yuki, Daniel Schoeni, Kety Hsieh, Jan Gralla, Gerhard Schroth, Juergen Beck, Andreas Raabe, Marcel Arnold, Michael Reinert, Robert H Andres
OBJECTIVE Cerebral hyperperfusion syndrome (CHS) is a rare but devastating complication of carotid endarterectomy (CEA). This study sought to determine whether quantitative hemodynamic assessment using MR angiography can stratify CHS risk. METHODS In this prospective trial, patients with internal carotid artery (ICA) stenosis were randomly selected for pre- and postoperative quantitative phase-contrast MR angiography (QMRA). Assessment was standardized according to a protocol and included Doppler/duplex sonography, MRI, and/or CT angiography and QMRA of the intra- and extracranial supplying arteries of the brain...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28400400/transperineal-aggressive-angiomyxoma
#7
Pedro Pereira, Elisa Melo Abreu, Teresa Margarida Cunha, Inês Rolim
A 45-year-old woman with a history of total hysterectomy with adnexal preservation for uterine leiomyomas presented to our hospital with a right gluteal palpable mass, which she first noticed 6 months before and had progressively enlarged since then.Radiological studies revealed a 14 cm lesion with translevator growth that displaced rather than invaded adjacent structures, with a peculiar whorled pattern on T2-weighted MRI, which enhanced following gadolinium administration. CT-guided biopsy was performed, and in conjunction with imaging features the diagnosis of an aggressive angiomyxoma was assumed and confirmed following surgical excision...
April 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28390805/from-transmandibular-to-transoral-robotic-approach-for-parapharyngeal-space-tumors
#8
Francesco Chu, Marta Tagliabue, Gioacchino Giugliano, Luca Calabrese, Lorenzo Preda, Mohssen Ansarin
PURPOSE: Parapharyngeal space (PPS) tumors are rare, accounting for 0.5% of all head-and-neck masses. Surgery remains the standard treatment for most cases, including different approaches (cervical approach, parotidectomy, mandibulotomy, transoral/robotic). We report our experience in the management of PPS tumors, aiming to create a surgical algorithm on the base of tumor's radiological and clinical characteristics. MATERIALS AND METHODS: Critical retrospective analysis of patients with PPS neoplasms who underwent surgery at our Institute...
March 31, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28379733/the-impact-of-weight-on-arthroscopic-osteochondral-talar-reconstruction
#9
Federico Giuseppe Usuelli, Camilla Maccario, Chiara Ursino, Nicola Serra, Riccardo D'Ambrosi
BACKGROUND: The purpose of the study was to assess the functional and radiologic outcomes after AT-AMIC (arthroscopic talus autologous matrix-induced chondrogenesis) in 2 weight groups of patients with osteochondral lesions of the talus (OLTs): patients with BMI <25 (Healthy Weight Group [HG]) and with BMI ≥25 (Overweight Group [OG]). METHODS: Thirty-seven patients were evaluated. HG was composed of 21 patients (BMI = 21.90 ± 1.94), whereas OG consisted of 16 patients (BMI = 27...
February 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28377864/open-door-laminoplasty-creation-of-a-new-vertebral-arch
#10
Monica Lara-Almunia, Javier Hernandez-Vicente
BACKGROUND: We describe the carrying out of our open door laminoplasty technique by reproducing a posterior vertebral arch using a local originating autologous bony graft and titanium plates. METHODS: We designed a prospective study and present our first 16 patients. The clinical results were evaluated with the JOA score, Nurick scale and the VAS. The functional and radiological evaluation was performed with radiographs, CT and MRI, and the measurements of the dimensions of the spinal canal were carried out with the MIPAV programme ( Johns Hopkins University)...
2017: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/28377243/hybrid-bone-spect-ct-imaging-in-evaluation-of-chronic-low-back-pain-correlation-with-modic-changes-and-degenerative-disc-disease
#11
Vittorio M Russo, Ranju T Dhawan, Nishanth Dharmarajah, I Baudracco, Antonio I Lazzarino, Adrian T Casey
BACKGROUND CONTEXT: Multiple radiological modalities are used in the evaluation of patients with low back pain (LBP). Only limited evidence currently exists to support the use of Bone HDP (hydroxydiphosphonate) SPECT/CT (Single Photon Emission Computed Tomography) in patients with Modic changes (MC) and degenerative disc disease (DDD). PURPOSE: The aim of this study was to assess the value of the hybrid Bone SPECT/CT imaging in patients with chronic low back pain...
April 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28376724/acute-focal-bacterial-nephritis-is-associated-with-invasive-diagnostic-procedures-a-cohort-of-138-cases-extracted-through-a-systematic-review
#12
Nadine Sieger, Iason Kyriazis, Alexander Schaudinn, Panagiotis Kallidonis, Jochen Neuhaus, Evangelos N Liatsikos, Roman Ganzer, Jens-Uwe Stolzenburg
BACKGROUND: Acute focal bacterial nephritis (AFBN) is a rare disease currently described only in case reports and small case series. In this study we summarize the clinical features of AFBN as has been documented in the literature and draw recommendations on the proper diagnosis and therapy. METHODS: A systematic literature review was undertaken in PUBMED, Web of Science and The Cochrane Library online databases for relevant literature on AFBN in adults. RESULTS: Literature review revealed a total of 38 articles according to our inclusion criteria, of which we could extract data from 138 cases of AFBN...
April 4, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28374239/radiological-imaging-findings-of-dyke-davidoff-masson-syndrome
#13
Erkan Gökçe, Murat Beyhan, Recep Sade
Radiological findings of Dyke-Davidoff-Masson syndrome (DDMS) in patients with different etiologies are presented in our study. The study included 12 patients (seven females, five males) for whom radiological examinations were requested due to reasons such as epilepsy, mental retardation, and/or hemiplegia. CT was performed in 12, MRI in 6, MRA in 1, and DSA in 1 patient. Following imaging findings were evaluated: cerebral and cerebellar involvement (laterality, encephalomalacia), affected territories, ventricular enlargement, sulcal enlargement, calvarial thickening, and paranasal sinus enlargement hyperaeration...
April 3, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28369075/mri-detection-rate-and-incidence-of-lumbar-bleeding-sources-in-190-patients-with-non-aneurysmal-sah
#14
Sepide Kashefiolasl, Nina Brawanski, Johannes Platz, Markus Bruder, Christian Senft, Gerhard Marquardt, Volker Seifert, Stephanie Tritt, Juergen Konczalla
BACKGROUND: Up to 15% of all spontaneous subarachnoid hemorrhages (SAH) have a non-aneurysmal SAH (NASAH). The evaluation of SAH patients with negative digital subtraction angiography (DSA) is sometimes a diagnostic challenge. Our goal in this study was to reassess the yield of standard MR-imaging of the complete spinal axis to rule out spinal bleeding sources in patients with NASAH. METHODS: We retrospectively analyzed the spinal MRI findings in 190 patients with spontaneous NASAH, containing perimesencephalic (PM) and non-perimesencephalic (NPM) SAH, diagnosed by computer tomography (CT) and/or lumbar puncture (LP), and negative 2nd DSA...
2017: PloS One
https://www.readbyqxmd.com/read/28368723/a-retrospective-review-of-cases-preoperatively-diagnosed-by-radiologic-imaging-as-cavernous-venous-malformations
#15
Anupam Jayaram, Liza M Cohen, Gary S Lissner, Achilles G Karagianis
The purpose of this study is to examine orbital lesions identified on preoperative radiologic imaging as cavernous venous malformations (CVMs), identify their imaging characteristics, and determine if these may help differentiate CVMs from other intraorbital masses. An IRB-approved retrospective chart review over 30 years was undertaken identifying lesions "consistent with cavernous hemangioma" on radiologic studies, which were subsequently surgically resected with a tissue diagnosis. All radiologic images (CT and MRI) obtained preoperatively were re-reviewed by a single masked neuroradiologist...
April 3, 2017: Orbit
https://www.readbyqxmd.com/read/28365801/a-modified-matti-russe-technique-of-grafting-scaphoid-non-unions
#16
Moritz Dustmann, Ralf Bajinski, Alexander Tripp, Joachim Gülke, Nikolaus Wachter
INTRODUCTION: In treatment of scaphoid non-union bone healing requires beside vital tissue and stability, enduring compression and a good interface between the graft and scaphoid fragments. While fixation techniques show a good primary stability, they reduce sintering and thus compression of fragments in the long term. Therefore, a modified technique optimising the cancellous interface between graft and scaphoid but still providing enough stability without fixating implants should be evaluated...
April 1, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28361365/acute-non-traumatic-idiopathic-spinal-subdural-hematoma-radiographic-findings-and-surgical-results-with-a-literature-review
#17
Kazuyoshi Kobayashi, Shiro Imagama, Kei Ando, Yoshihiro Nishida, Naoki Ishiguro
PURPOSE: Intraspinal hematoma is a serious condition, and early diagnosis is necessary to permit emergency treatment. Among such hematomas, non-traumatic spinal subdural hematoma is a rare occurrence. We have experienced three patients with surgically proven subdural spinal hematoma, and here we report these cases with a review of their clinical and imaging characteristics. METHODS: All three cases were idiopathic with no history of disease, no coagulopathy, and no trauma...
March 30, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28361179/-frequency-and-doses-of-diagnostic-and-interventional-x%C3%A2-ray-applications-trends-between-2007-and-2014
#18
E A Nekolla, A A Schegerer, J Griebel, G Brix
BACKGROUND: In Germany, approximately 95% of man-made radiation exposure of the population results from diagnostic and interventional X‑ray procedures. Thus, radiation protection of patients in this field of application is of great importance. OBJECTIVE: Quantification and evaluation of current data on the frequency and doses of X‑ray procedures as well as temporal trends for the years 2007-2014. MATERIAL AND METHODS: For outpatients the frequency of X‑ray procedures was estimated using reimbursement data from health insurances and for inpatients by means of hospital statistics...
March 30, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28358979/pelvimetry-for-fetal-cephalic-presentations-at-or-near-term-for-deciding-on-mode-of-delivery
#19
REVIEW
Robert C Pattinson, Anna Cuthbert, Valerie Vannevel
BACKGROUND: Pelvimetry assesses the size of a woman's pelvis aiming to predict whether she will be able to give birth vaginally or not. This can be done by clinical examination, or by conventional X-rays, computerised tomography (CT) scanning, or magnetic resonance imaging (MRI). OBJECTIVES: To assess the effects of pelvimetry (performed antenatally or intrapartum) on the method of birth, on perinatal mortality and morbidity, and on maternal morbidity. This review concentrates exclusively on women whose fetuses have a cephalic presentation...
March 30, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28355089/ct-vaginography-a-new-ct-technique-for-imaging-of-upper-and-middle-vaginal-fistulas
#20
Diomidis Botsikas, Nicola Pluchino, Anastasia Kalovidouri, Alexandra Platon, Xavier Montet, Patrick Dallenbach, Pierre-Alexandre Poletti
OBJECTIVE: Different types of vaginal fistulas is a relatively uncommon condition in the Western world but very frequent in developing countries. In the past, conventional vaginography was the radiological examination of choice for exploring this condition. CT and MRI are now both used for this purpose. Our objective was to test the feasibility and to explore the potential role of a new CT imaging technique implementing vaginal introitus obstruction and opacification of the vagina with iodine contrast agent, to show patency of a fistula...
May 2017: British Journal of Radiology
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