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Clinical anatomy

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https://www.readbyqxmd.com/read/28527883/endovascular-iliocaval-stent-reconstruction-for-inferior-vena-cava-filter-associated-iliocaval-thrombosis-approach-technical-success-safety-and-two-year-outcomes-in-120-patients
#1
Jeffrey Forris Beecham Chick, Alexandria Jo, J Matthew Meadows, Steven D Abramowitz, Minhaj S Khaja, Kyle J Cooper, David M Williams
PURPOSE: To report technical success, outcomes, and patency of iliocaval stent reconstruction for inferior vena cava (IVC) filter-bearing iliocaval thrombosis. MATERIALS AND METHODS: A total of 120 patients with 123 IVC filters and symptomatic iliocaval thrombosis underwent stent reconstruction. Mean patient age was 55 years (range, 19-88 y). Filters included 70 (57%) retrievable and 53 (43%) permanent filters. Symptoms included lower extremity swelling or pain (n = 93), ulcers (n = 8), phlegmasia (n = 7), back pain (n = 5), shortness of breath (n = 4), worsening renal function (n = 2), and stenosis identified during translumbar catheter placement (n = 1)...
May 18, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28527481/rethinking-anatomy-how-to-overcome-challenges-of-medical-education-s-evolution
#2
REVIEW
Bruno Guimarães, Luís Dourado, Stanislav Tsisar, José Miguel Diniz, Maria Dulce Madeira, Maria Amélia Ferreira
INTRODUCTION: Due to scientific and technological development, Medical Education has been readjusting its focus and strategies. Medical curriculum has been adopting a vertical integration model, in which basic and clinical sciences coexist during medical instruction. This context favours the introduction of new complementary technology-based pedagogical approaches. Thus, even traditional core sciences of medical curriculum, like Anatomy, are refocusing their teaching/learning paradigm...
February 27, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28527317/fully-automatic-segmentation-of-left-ventricular-anatomy-in-3-d-lge-mri
#3
Tanja Kurzendorfer, Christoph Forman, Michaela Schmidt, Christoph Tillmanns, Andreas Maier, Alexander Brost
The current challenge for electrophysiology procedures, targeting the left ventricle, is the localization and qualification of myocardial scar. Late gadolinium enhanced magnetic resonance imaging (LGE-MRI) is the current gold standard to visualize regions of myocardial infarction. Commonly, a stack of 2-D images is acquired of the left ventricle in short-axis orientation. Recently, 3-D LGE-MRI methods were proposed that continuously cover the whole heart with a high resolution within a single acquisition. The acquisition promises an accurate quantification of the myocardium to the extent of myocardial scarring...
May 8, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28524792/analysis-and-interrater-reliability-of-pb-c2-using-mri-and-ct-data-from-the-park-reeves-syringomyelia-research-consortium-on-behalf-of-the-pediatric-craniocervical-society
#4
Todd C Hankinson, Gerald F Tuite, Dagmara I Moscoso, Leslie C Robinson, James C Torner, David D Limbrick, Tae Sung Park, Richard C E Anderson
OBJECTIVE The distance to the ventral dura, perpendicular to the basion to C2 line (pB-C2), is commonly employed as a measure describing the anatomy of the craniovertebral junction. However, both the reliability among observers and the clinical utility of this measurement in the context of Chiari malformation Type I (CM-I) have been incompletely determined. METHODS Data were reviewed from the first 600 patients enrolled in the Park-Reeves Syringomyelia Research Consortium with CM-I and syringomyelia. Thirty-one cases were identified in which both CT and MRI studies were available for review...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28523540/rubinstein-taybi-syndrome-and-epigenetic-alterations
#5
Edward Korzus
Rubinstein-Taybi syndrome (RSTS) is a rare genetic disorder in humans characterized by growth and psychomotor delay, abnormal gross anatomy, and mild to severe mental retardation (Rubinstein and Taybi, Am J Dis Child 105:588-608, 1963, Hennekam et al., Am J Med Genet Suppl 6:56-64, 1990). RSTS is caused by de novo mutations in epigenetics-associated genes, including the cAMP response element-binding protein (CREBBP), the gene-encoding protein referred to as CBP, and the EP300 gene, which encodes the p300 protein, a CBP homologue...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28523471/quantification-of-left-atrial-volume-and-phasic-function-using-cardiovascular-magnetic-resonance-imaging-comparison-of-biplane-area-length-method-and-simpson-s-method
#6
Laura Kristin Wandelt, Johannes Tammo Kowallick, Andreas Schuster, Rolf Wachter, Thomas Stümpfig, Christina Unterberg-Buchwald, Michael Steinmetz, Christian Oliver Ritter, Joachim Lotz, Wieland Staab
Left atrial (LA) enlargement and dysfunction are markers of chronic diastolic dysfunction and an important predictor of adverse cardiovascular and cerebrovascular outcomes. Accordingly, accurate quantification of left atrial volume (LAV) and function is needed. In routine clinical cardiovascular magnetic resonance (CMR) imaging the biplane area-length method (Bi-ALM) is frequently applied due to time-saving image acquisition and analysis. However, given the varying anatomy of the LA we hypothesized that the diagnostic accuracy of the Bi-ALM is not sufficient and that results would be different from a precise volumetric assessment of transversal multi-slice cine images using Simpson's method...
May 18, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28523041/functional-endoscopic-sinus-surgery-as-a-primary-modality-of-treatment-for-primary-and-recurrent-nasal-polyposis
#7
Mohammad Shahid Gohar, Saleem Asif Niazi, Sohail Baber Niazi
OBJECTIVES: To describe the efficacy of Functional Endoscopic Sinus Surgery(FESS) in our set up in comparison with other published studies to treat primary and recurrent nasal polyposis. METHOD: This descriptive study was conducted in 02 years at Ear Nose Throat Department Combined Military Hospital (CMH) Multan from October 2013 to October 2015. Convenient sample comprising 116 patients of both sexes of age group from 18 to 60 years were selected from ENT Out Patient Department, with documented diagnosis of nasal polyposis that underwent functional endoscopic sinus surgery...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521670/intranasal-drug-delivery-a-non-invasive-approach-for-the-better-delivery-of-neurotherapeutics
#8
Umesh Gupta, Hitesh Kumar, Gaurav Mishra, Ashok Kumar Sharma, Avinash Gothwal, Prashant Kesharwani
BACKGROUND: The convoluted pathophysiology of brain disorders along with penetration issue of drugs to brain represents major hurdle that requires some novel therapies. The blood-brain barrier (BBB) denotes a rigid barrier for delivery of therapeutics in vivo, to overcome this barrier intranasal delivery is an excellent strategy to deliver the drug directly to brain via olfactory and trigeminal nerve pathways that originate as olfactory neuro-epithelium in the nasal cavity and terminate in brain...
May 14, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28520850/anatomical-study-of-temporal-fat-compartments-and-its-clinical-application-for-temporal-fat-grafting
#9
Ru-Lin Huang, Yun Xie, Wenjin Wang, Tanja Herrler, Jia Zhou, Peijuan Zhao, Lee L Q Pu, Qingfeng Li
Background: Low satisfaction rates and severe complications are two major limitations for temporal hollowing augmentation using autologous fat grafting. Despite fat compartments in temporal region have been reported, its clinical applied anatomy for fat grafting have not been the subject of studies that show its benefits objectively and statistically. Objectives: To investigate temporal fat compartments and relative neurovascular structures in cadavers, developing a safe and effective fat grafting technique for temporal hollowing augmentation...
May 18, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28518066/scaled-anatomical-model-creation-of-biomedical-tomographic-imaging-data-and-associated-labels-for-subsequent-sub-surface-laser-engraving-ssle-of-glass-crystals
#10
Aislinn M Betts, Matthew T McGoldrick, Christopher R Dethlefs, Justin Piotrowicz, Tony Van Avermaete, Jeff Maki, Steve Gerstler, W M Leevy
Biomedical imaging modalities like computed tomography (CT) and magnetic resonance (MR) provide excellent platforms for collecting three-dimensional data sets of patient or specimen anatomy in clinical or preclinical settings. However, the use of a virtual, on-screen display limits the ability of these tomographic images to fully convey the anatomical information embedded within. One solution is to interface a biomedical imaging data set with 3D printing technology to generate a physical replica. Here we detail a complementary method to visualize tomographic imaging data with a hand-held model: Sub Surface Laser Engraving (SSLE) of crystal glass...
April 25, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28514510/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-tendon-graft-harvesting-for-knee-ligament-reconstruction-an-ultrasound-simulation-study
#11
Przemysław A Pękala, Ewa Miza, Brandon Michael Henry, Patrick Popieluszko, Marios Loukas, Krzysztof A Tomaszewski
INTRODUCTION: The clinical anatomy of the infrapatellar branch of the saphenous nerve (IPBSN) is of particular importance during operations in the area of the knee, especially when material for anterior cruciate ligament reconstruction is harvested. The nerve can easily be injured during the harvesting procedure, leading to postoperative complications that reduce quality of life. Three different skin incisions are commonly used during hamstring tendon harvesting: horizontal, vertical, and oblique...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28514499/surface-anatomy-of-major-anatomical-landmarks-of-the-neck-in-an-adult-population-a-ct-evaluation-of-vertebral-level
#12
Masroor Badshah, Roger Soames, Muhammad Ibrahim Marwat, Muhammad Jaffar Khan, Adnan Khan
Introduction To compare the projectional surface anatomy of healthy individuals in an adult population with those with a thyroid mass, using computed tomography (CT). Methods Sixteen slice CT images of 101 individuals were analyzed using a 32-bit Radiant DICOM viewer to establish the relationships among major anatomical landmarks in the neck and their vertebral levels. The structures investigated included: hard palate (HP), hyoid bone (HB) including body and lesser horns, soft palate (SP), thyroid gland (TG) (both superior and inferior poles), thyroid gland anteroposterior (APD) and superoinferior (SID) diameters, thyroid isthmus (TI) superoinferior dimension, epiglottis, vertebral arteries (right and left), and both right and left parotid glands (superior and inferior extents)...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28514496/a-reappraisal-of-children-s-thoracic-surface-anatomy
#13
Nicholas Fischer, Jonty Morreau, Ramanen Sugunesegran, Kiarash Taghavi, Ali Mirjalili
Accurate knowledge of surface anatomy is fundamental to safe clinical practice. A paucity of evidence in the literature regarding thoracic surface anatomy in children was identified. The associations between surface landmarks and internal structures were meticulously analyzed by reviewing high quality computed tomography (CT) images of 77 children aged from four days to 12 years. The results confirmed that the sternal angle is an accurate surface landmark for the azygos-superior vena cava junction in a plane through to the level of upper T4 from birth to age four, and to lower T4 in older children...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28514223/hematogenous-osteomyelitis-in-infants-and-children-imaging-of-a-changing-disease
#14
Diego Jaramillo, John P Dormans, Jorge Delgado, Tal Laor, Joseph W St Geme
In children, hematogenous osteomyelitis is an infection that primarily affects the most vascularized regions of the growing skeleton. The disease has increased in frequency, virulence, and degree of soft-tissue involvement. The change in clinical manifestations and management over the past 2 decades should be reflected in the current imaging approach to the disease. Imaging of infection must depict the location of a single focus or of multiple foci of involvement and the presence of drainable collections. This review provides an overview of the imaging implications directed by the changing epidemiology, the newer insights of anatomy and pathophysiology, the imaging characteristics with emphasis on specific locations and disease complications, and the differential diagnosis considerations...
June 2017: Radiology
https://www.readbyqxmd.com/read/28514214/imaging-of-acute-capsuloligamentous-sports-injuries-in-the-ankle-and-foot-sports-imaging-series
#15
James M Linklater, Catherine L Hayter, Dzung Vu
The ankle and foot are commonly injured during sporting activities. Clinical diagnosis can at times be challenging, due to the complex anatomy and multiple sites of potential injury. In the athlete, there is a reduced threshold for imaging to clarify diagnosis, guide prognosis, and treatment. Diagnostic imaging is also helpful in evaluating ongoing symptoms in the subacute or chronic setting. (©) RSNA, 2017.
June 2017: Radiology
https://www.readbyqxmd.com/read/28512734/mitral-valve-aneurysms-clinical-characteristics-echocardiographic-abnormalities-and-possible-mechanisms-of-formation
#16
José Luiz B Pena, Tarciso O Bomfim, Paulo R L Fortes, Charles Simão-Filho, José de Souza Andrade-Filho
AIMS: Mitral valve aneurysms (MVA) are most frequently associated with endocarditis. Echocardiography is the method of choice for diagnosis, and color flow imaging is an important, easy method to detect MVA ruptures. We aimed to study the clinical and echocardiographic findings and their relation to the mechanism of aneurysm formation. METHODS AND RESULTS: We reviewed clinical and echocardiographic records of 18 patients during a 17-year period, corresponding to 0...
May 16, 2017: Echocardiography
https://www.readbyqxmd.com/read/28512434/evaluation-of-a-rapid-anisotropic-model-for-ecg-simulation
#17
Simone Pezzuto, Peter Kal'avský, Mark Potse, Frits W Prinzen, Angelo Auricchio, Rolf Krause
State-of-the-art cardiac electrophysiology models that are able to deliver physiologically motivated activation maps and electrocardiograms (ECGs) can only be solved on high-performance computing architectures. This makes it nearly impossible to adopt such models in clinical practice. ECG imaging tools typically rely on simplified models, but these neglect the anisotropic electric conductivity of the tissue in the forward problem. Moreover, their results are often confined to the heart-torso interface. We propose a forward model that fully accounts for the anisotropic tissue conductivity and produces the standard 12-lead ECG in a few seconds...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28509331/anatomic-landmarks-in-lacrimal-surgery-from-an-ophthalmologist-s-point-of-view
#18
REVIEW
Jens Heichel, Hans-Gert Struck, Anja Viestenz, Thomas Hammer, Arne Viestenz, Miltiadis Fiorentzis
Epiphora is a common clinical symptom of nasolacrimal duct obstruction. However, it is present in several pathologies and can lead to decreased quality of life for patients. A careful clinical examination including a detailed patient's history and diagnostic tests such as the fluorescein dye disappearance test and diagnostic syringing of the lacrimal duct are essential. Depending on the time of presentation (congenital, primary or secondary acquired), grade (subtotal or total) and location of the stenosis, different surgical approaches can be considered...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28509324/three-dimensional-neurosonography-a-novel-field-in-fetal-medicine
#19
Michał Lipa, Ritsuko Kimata Pooh, Mirosław Wielgoś
Neurosonography is a promising technique for prenatal diagnosis, combining features of ultrasound imaging with fetal neurology. The brain is a three-dimensional structure, therefore observing brain structure in the three basic planes (sagittal, coronal and axial) is mandatory. The anterior fontanelle and sagittal suture may serve as acoustic ultrasound windows in the transvaginal brain scan, allowing to obtain high-resolution neuroimages of the intracranial structures. Furthermore, three-dimensional (3D) ultrasound combined with the transvaginal brain approach provides detailed and sophisticated neuroimages...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28508252/anatomical-variants-in-prostate-artery-embolization-a-pictorial-essay
#20
Francisco Cesar Carnevale, Guilherme Rebello Soares, Andre Moreira de Assis, Airton Mota Moreira, Sardis Honoria Harward, Giovanni Guido Cerri
Prostate artery embolization (PAE) has emerged as a new treatment option for patients with symptomatic benign prostatic hyperplasia. The main challenges related to this procedure are navigating arteries with atherosclerosis and anatomical variations, and the potential risk of non-target embolization to pelvic structures due to the presence of collateral shunts and reflux of microparticles. Knowledge of classical vascular anatomy and the most common variations is essential for safe embolization, good clinical practice, and optimal outcomes...
May 15, 2017: Cardiovascular and Interventional Radiology
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