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Vascular radiology

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https://www.readbyqxmd.com/read/28922189/acr-acnm-practice-parameter-for-the-performance-of-dopamine-transporter-dat-single-photon-emission-computed-tomography-spect-imaging-for-movement-disorders
#1
Rathan M Subramaniam, Kirk A Frey, Christopher H Hunt, Gustavo A Mercier, Lilja B Solnes, Patrick M Colletti, Yang Lu, Bital Savir-Baruch, Hadyn T Williams
This American College of Radiology and American College of Nuclear Medicine joint clinical practice parameter is for performance of dopamine transporter single photon emission computed tomography (SPECT) imaging, for patients with movement disorders. Parkinsonian syndrome (PS) consists of a group of neurodegenerative diseases including Parkinson disease (PD), progressive supranuclear palsy (PSP), multiple system atrophy (MSA), corticobasal degeneration (CBD), and dementia with Lewy bodies (DLB). Accurate diagnosis of PS is critical for clinical management...
September 15, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28920508/internal-carotid-artery-dissection-among-younger-and-older-patients-with-acute-ischemic-stroke
#2
Y Amsalem, L Porat, M C Javitt, E Sprecher, G Telman
BACKGROUND: Carotid artery dissection (CAD) is a known causative factor in the etiology of acute ischemic stroke in young patients. However, the significance of CAD in older patients with acute ischemic stroke is unclear with only a few prior clinical studies. In order to isolate the influence of CAD as an independent factor, we performed multivariate analysis of common covariables in acute ischemic stroke patients in northern Israel. PATIENTS AND METHODS: 347 consecutive patients who suffered from acute ischemic stroke had initial CT angiography (CTA) ordered from the emergency room...
September 16, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28918999/diagnosis-of-ehlers-danlos-syndrome-after-a-first-shoulder-dislocation
#3
Geoffroy Nourissat, Marie Vigan, Claude Hamonet, Levon Doursounian, Julien Deranlot
BACKGROUND: Shoulder dislocation is often the first symptom of Ehlers-Danlos syndrome (EDS). Whether it occurs in early-onset EDS is unknown. In most cases, surgical failure leads to the diagnosis. We aimed to determine whether clinical symptoms can signal the presence of EDS at a first dislocation. MATERIALS AND METHODS: In this retrospective study, we analyzed clinical and radiologic data for 27 patients with EDS and shoulder instability and a control population of 40 consecutive non-EDS patients undergoing surgery for an unstable shoulder...
September 14, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28914874/-craniofacial-tumors-blood-supply
#4
Yu G Yakovlenko, V A Cherekaev, V N Kornienko, I N Pronin, L V Shishkina, A S Tonoyan, E I Shul'tz, A M Parshunina
Because of the spread to different anatomical regions, craniofacial tumors (CFTs) usually receive blood supply from several arterial systems, and CFT removal is often accompanied by abundant blood loss. PURPOSE: The study purpose was to develop an algorithm of diagnostic angiography for planning surgical treatment of CFT patients. MATERIAL AND METHODS: Complex preoperative angiography was performed in 72 patients with craniofacial tumors, aged 10 to 78 years (mean age, 45...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28913004/hypermetabolic-thyroid-incidentaloma-on-positron-emission-tomography-review-of-laboratory-radiologic-and-pathologic-characteristics
#5
Mehrdad Bakhshayesh Karam, Abtin Doroudinia, Farzaneh Joukar, Kobra Nadi, Atosa Dorudinia, Payam Mehrian, Abbas Yousefikoma
INTRODUCTION: Incidental hypermetabolic thyroid lesions on Positron Emission Tomography have significant clinical value and may harbor malignancy. In this study we evaluated laboratory, radiologic, and pathologic characteristics of incidental hypermetabolic thyroid lesions. MATERIALS AND METHODS: We evaluated 18 patients prospectively with various malignancies and hypermetabolic thyroid incidentaloma. The thyroid function tests, ultrasound assessment, and guided FNA biopsy were performed on all cases...
2017: Journal of Thyroid Research
https://www.readbyqxmd.com/read/28906205/preventing-cognitive-decline-and-dementia-from-cerebral-small-vessel-disease-the-laci-1-trial-protocol-and-statistical-analysis-plan-of-a-phase-iia-dose-escalation-trial-testing-tolerability-safety-and-effect-on-intermediary-endpoints-of-isosorbide-mononitrate
#6
Gordon W Blair, Jason P Appleton, Zhe Kang Law, Fergus Doubal, Katie Flaherty, Richard Dooley, Kirsten Shuler, Carla Richardson, Iona Hamilton, Yulu Shi, Michael Stringer, Julia Boyd, Michael J Thrippleton, Nikola Sprigg, Philip M Bath, Joanna M Wardlaw
Rationale The pathophysiology of most lacunar stroke, a form of small vessel disease, is thought to differ from large artery atherothrombo- or cardio-embolic stroke. Licensed drugs, isosorbide mononitrate and cilostazol, have promising mechanisms of action to support their testing to prevent stroke recurrence, cognitive impairment, or radiological progression after lacunar stroke. Aim LACI-1 will assess the tolerability, safety, and efficacy, by dose, of isosorbide mononitrate and cilostazol, alone and in combination, in patients with ischemic lacunar stroke...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28904244/tracheobronchopathia-osteochondroplastica-in-recurrent-retrosternal-goiter-surgical-management
#7
Francesco Quaglino, Enrico Mazza, Mauro Navarra, Nicola Palestini, Valentina Marchese, Riccardo Lemini, Francesca Talarico, Emilpaolo Manno
Tracheobronchopathia osteochondroplastica (TPO) is a rare pathology characterized by a progressive segmentary stenosis of the respiratory tract due to proliferation of osteocartilagineous nodules in the lumen of the distal part of the trachea and large bronchial trunks. Prognosis is usually benign, but some cases with an acute progression and a lethal outcome have been described. Clinical presentation is non specific, the chest x-ray is generally normal and there are not typical radiological signs of suspicion: diagnosis of TPO is usually incidental...
September 4, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28899347/case-report-of-hyperglycemic-nonketotic-chorea-with-rapid-radiological-resolution
#8
H M M T B Herath, S P Pahalagamage, Sunethra Senanayake
BACKGROUND: Hemichorea is a rare manifestation of nonketotic hyperglycemia that usually affects elderly Asian women with poor glycemic control. Non-contrast computerized Tomography and T1- weighted Magnetic Resonance Imaging shows characteristic hyperintense basal ganglia lesions. CASE PRESENTATION: A Fifty-seven year old Sri Lankan female presented with a two-day history of right upper limb chorea. She had been diagnosed with diabetes mellitus one year ago, but was not on any treatment and did not have any micro vascular or macro vascular complications...
September 12, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28895367/is-management-of-complex-abdominal-aortic-aneurysms-consistent-across-the-uk-a-questionnaire-based-survey
#9
Eleanor Atkins, Ranjeet Narlawar, Francesco Torella, George A Antoniou
BACKGROUND: Our objective was to quantify variability across the UK in the management of a complex abdominal aortic aneurysm (AAA). METHODS: An online survey was emailed to all members of the Vascular Society for Great Britain and Ireland. The survey presented a vignette of a 63-year-old woman with significant respiratory co-morbidity whose computed tomographic (CT) angiogram demonstrated a 54 mm AAA with a short (7 mm) proximal neck but no other adverse morphological features for a standard or complex endovascular aneurysm repair (EVAR)...
September 11, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28894371/radiologic-findings-of-thoracic-trauma
#10
Cihan Akgul Ozmen, Serdar Onat, Delal Aycicek
INTRODUCTION: Chest trauma may be blunt or penetrating and the chest is the third most common trauma region. It is a significant cause of mortality. Multidetector computed tomography (MDCT) has been an increasingly used method to evaluate chest trauma because of its high success in detecting tissue and organ injuries. Herein, we aimed to present MDCT findings in patients with blunt and penetrating chest trauma admitted to our department. METHODS: A total of 240 patients admitted to the emergency department of our hospital between April 2012 and July 2013 with a diagnosis of chest trauma who underwent MDCT evaluations were included...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28894330/metastatic-pulmonary-calcification-high-resolution-computed-tomography-findings-in-23-cases
#11
Luciana Camara Belém, Carolina A Souza, Arthur Soares Souza, Dante Luiz Escuissato, Bruno Hochhegger, Luiz Felipe Nobre, Rosana Souza Rodrigues, Antônio Carlos Portugal Gomes, Claudio S Silva, Marcos Duarte Guimarães, Gláucia Zanetti, Edson Marchiori
OBJECTIVE: The aim of this study was to evaluate the high-resolution computed tomography (HRCT) findings in patients diagnosed with metastatic pulmonary calcification (MPC). MATERIALS AND METHODS: We retrospectively reviewed the HRCT findings from 23 cases of MPC [14 men, 9 women; mean age, 54.3 (range, 26-89) years]. The patients were examined between 2000 and 2014 in nine tertiary hospitals in Brazil, Chile, and Canada. Diagnoses were established by histopathologic study in 18 patients and clinical-radiological correlation in 5 patients...
July 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28893696/medullary-decompression-by-sling-repositioning-of-the-vertebral-artery-with-operative-video-technical-case-report
#12
Luis C Ascanio, Abdulrahman Y Alturki, Christoph J Griessenauer, Rouzbeh Motiei-Langroudi, Sandeep Kumar, Christopher S Ogilvy
BACKGROUND: Vascular compression of the medullary pyramid resulting in neurological compromise is rare, therefore, diagnosis is difficult and ultimately delayed. Most patients present with a combination of cranial nerve, autonomic, and/or motor and sensory dysfunction. Presentation with a single sign such as hemiparesis is rare. The low number of cases reported has made it impossible to define a standard treatment for this unusual disorder. CASE DESCRIPTION: Here, we present a patient with a progressive left hemiparesis due to compression of the upper medulla by the vertebral artery, which was treated with repositioning of the artery using a sling...
September 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28893009/intracranial-aneurysms-involving-circle-of-willis-in-a-child-with-human-immunodeficiency-virus-associated-vasculitis-a-rare-case-report
#13
Amol Madanlal Lahoti, Abhijit Kishor Taori, Avinash Parashuram Dhok, Jitesh Subhash Rawat, Nihar Umakant Chandak
Intracranial Arterial Aneurysms (IAAs) are relatively rare in paediatric population and they account for at least 10%-15% of haemorrhagic strokes which occur during the first two decades of life. Here we present a unique and unusual case of Human Immunodeficiency Virus (HIV) infected child who presented with intracranial aneurysms with formation of collaterals and vasculopathy, demonstrating low viral count despite receiving adequate antiretroviral treatment. Intracranial vascular involvement, their complications and its incidence in these patients may become increasingly common as the management of human immunodeficiency virus infection continues to improve and afflicted patients survive for longer periods because of advancement in the antiretroviral treatment...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28887248/positive-impact-of-an-aortic-center-designation
#14
Adam Tanious, Mathew Wooster, Marcelo Giarelli, Paul A Armstrong, Brad Johnson, Karl A Illig, Bruce Zwiebel, Lawrence S Grundy, Robert Hooker, Christiano Caldeira, Martin A Back, Murray L Shames
BACKGROUND: In January 2015 we created a multidisciplinary Aortic Center with the collaboration of Vascular Surgery, Cardiac Surgery, Interventional Radiology, Anesthesia and Hospital Administration. We report the initial success of creating a Comprehensive Aortic Center. METHODS: All aortic procedures performed from January 1, 2015 until December 31, 2016 were entered into a prospectively collected database and compared with available data for 2014. Primary outcomes included the number of all aortic related procedures, transfer acceptance rate, transfer time and proportion of elective/emergent referrals...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28886989/factors-associated-with-contralateral-deep-venous-thrombosis-after-iliocaval-venous-stenting
#15
S A Khairy, R J Neves, O Hartung, G J O'Sullivan
BACKGROUND: The majority of iliac venous obstructions occur on the left side, and endovascular therapy has become the first line treatment for this condition. A left common iliac venous stent will protrude into the inferior vena cava (IVC) to some extent, thereby covering the contralateral common iliac vein (CIV) outflow. This may increase the risk of thrombosis of the contralateral iliac vein. The aim of this paper was to determine the rate of, and factors associated with, contralateral lower limb venous thrombosis after stenting, and to evaluate the results of salvage revascularisation...
September 5, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28886433/sudden-death-in-a-child-caused-by-a-giant-cavernous-hemangioma-of-the-anterior-mediastinum
#16
Yui Igari, Shirushi Takahashi, Akihito Usui, Yusuke Kawasumi, Masato Funayama
A 4-year-old girl who had been treated for asthma since the age of 2 years had a severe coughing fit and died suddenly. The patient had a history of occasional severe coughing fits, and these fits had been worsening in severity during the week before her death. Prior to death, she was taken to a clinician, and thymic hypertrophy was suspected based on chest X-ray findings. The clinician recommended that she visit a general hospital at a later date; however, she died that night. Postmortem radiology and autopsy revealed a large mass in the anterior mediastinum compressing the heart and airway, and no other findings attributable to sudden death were observed...
August 24, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28885203/vascular-malformations-of-upper-and-lower-extremity-from-radiological-interventional-therapy-to-surgical-soft-tissue-reconstruction-an-interdisciplinary-treatment
#17
M Ranieri, W Wohlgemuth, R Müller-Wille, L Prantl, A Kehrer, S Geis, S Klein, P Lamby, D Schiltz, W Uller, T Aung, J H Dolderer
This article presents our experience in managing peripheral vascular malformations over a 4-years period in a series of 46 patients treated in our Interdisciplinary Center of Vascular Anomalies at University of Regensburg. The patients presented vascular malformations of upper and lower extremity and were selected from our prospective vascular anomalies file archive from 2012 to 2016.The purpose of this study was to review combined embolotherapy, sclerotherapy (embolo/sclerotherapy), and surgical procedures (surgical excision and soft tissue reconstruction) to manage vascular malformations...
September 4, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28882603/gamma-knife-surgery-for-a-hemangioma-of-the-cavernous-sinus-in-an-adult-case-report-and-short-review-of-the-literature
#18
L Schwyzer, C Tuleasca, F-X Borruat, I Radovanovic, M Levivier
Cavernous sinus hemangiomas (CSH) are rare benign extra-axial vascular lesions. Both radiological and clinical aspects are important, for deciding a therapeutic modality, including medical treatment, radiation therapy or microsurgery. In the particular case of CSH, a radical removal of the tumor often cannot be achieved and is associated with a considerable risk for intraoperative uncontrollable bleeding. An alternative treatment modality is radiosurgery. Here we report the case of a 45-year-old patient, who presented with diplopia due to left abducens nerve palsy...
September 4, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28878303/typewriter-tinnitus-revisited-the-typical-symptoms-and-the-initial-response-to-carbamazepine-are-the-most-reliable-diagnostic-clues
#19
Woongsang Sunwoo, Yung Jin Jeon, Yun Jung Bae, Jeong Hun Jang, Ja-Won Koo, Jae-Jin Song
Although neurovascular compression of the cochlear nerve (NVC-C) presenting as typewriter tinnitus is a discrete disease category, verified diagnostic criteria are lacking. We sought to refine the diagnostic criteria for NVC-C by reference to a relatively large case series. The medical records of 22 NVC-C patients were retrospectively reviewed. Psychoacoustic characteristics, the results of diagnostic work-up (including audiovestibular neurophysiological tests and radiological evaluations), and the initial treatment response to carbamazepine were investigated...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28875118/multimodality-management-of-cavernous-sinus-hemangiomas-an-institutional-experience
#20
Dwarakanath Srinivas, Pragyan Sarma, Dhaval Shukla, Dhananjay Bhat, Paritosh Pandey, Sampath Somanna, Ananthakrishna Chandramouli
Objective  Cavernous sinus hemangiomas (CSHs) are benign lesions accounting for less than 2% of the cavernous sinus tumors. They provide a formidable surgical challenge because of their vascularity and their being surrounded by critical neurovascular structures. In this study, one of the largest in available literature, we analyze our experience in the management of these unusual tumors and review the available literature. Materials  This is a retrospective analysis of patients who were managed surgically (both microsurgical and Gamma knife radiosurgery [GKRS]) for CSH at our Institution from 2007 to 2015...
October 2017: Journal of Neurological Surgery. Part B, Skull Base
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