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Anatomy pathology

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https://www.readbyqxmd.com/read/28738382/advanced-concepts-in-the-pathophysiology-of-obstructive-sleep-apnea
#1
David P White
The primary pathological event in the disorder obstructive sleep apnea (OSA) is the partial or complete closure of the pharyngeal airway during sleep in an individual with a widely patent airway during wakefulness. This yields an apnea or hypopnea with resulting hypoxia and hypercapnia, and most often requires an arousal to terminate the event. These events occur in a repetitive manner during sleep, yielding intermittent hypoxia and sleep fragmentation with their associated adverse effects on the health and quality of life of the afflicted individual...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28736620/peroneal-tendon-disorders
#2
REVIEW
Kinner Davda, Karan Malhotra, Paul O'Donnell, Dishan Singh, Nicholas Cullen
Pathological abnormality of the peroneal tendons is an under-appreciated source of lateral hindfoot pain and dysfunction that can be difficult to distinguish from lateral ankle ligament injuries.Enclosed within the lateral compartment of the leg, the peroneal tendons are the primary evertors of the foot and function as lateral ankle stabilisers.Pathology of the tendons falls into three broad categories: tendinitis and tenosynovitis, tendon subluxation and dislocation, and tendon splits and tears. These can be associated with ankle instability, hindfoot deformity and anomalous anatomy such as a low lying peroneus brevis or peroneus quartus...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28736428/penile-doppler-ultrasonography-revisited
#3
Dae Chul Jung, Sung Yoon Park, Joo Yong Lee
Penile Doppler ultrasonography is a high-performing, noninvasive or minimally-invasive imaging modality that allows the depiction of the normal anatomy and macroscopic pathologic changes in real time. Moreover, functional changes in penile blood flow, as seen in erectile dysfunction (ED), can be analyzed using color Doppler ultrasonography (CDUS). This review article describes the normal sonographic anatomy of the penis, the sonographic technique for evaluating ED, the normal phases of erection, and the various causes of ED...
June 10, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28730799/a-historical-overview-of-laryngeal-carcinoma-and-the-first-total-laryngectomies
#4
Marianna Karamanou, Kostas Markatos, Maria Lymperi, Emmanouil Agapitos, George Androutsos
Laryngeal cancer was a well known entity since antiquity and its treatment evolved through several phases. The lack of knowledge in anatomy and pathology as well as the absence of anesthesia and proper instrumentation made the treatment almost impossible. Ancient physicians were performing laryngotomy or tracheotomy in an attempt to prevent the suffocation symptoms produced by tumoral masses. In 19th century the invention of laryngoscope and the advent of pathology and anesthesiology encouraged surgeons to operate on man...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730240/a-16-year-retrospective-study-of-dacryocystitis-in-adult-patients-in-the-moldavia-region-romania
#5
Claudia Florida Costea, Gabriela FlorenŢa Dumitrescu, Mihaela Dana Turliuc, Gabriela Dimitriu, Mădălina Adriana Chihaia, Lucia Indrei, Nicoleta Dumitrescu, Andrei Cucu, Alexandru Cărăuleanu, Cristina Maria Gavrilescu, Irina Iuliana Costache
PURPOSE: Chronic dacryocystitis (CD) is an inflammation of the lacrimal sac and nasolacrimal duct with a long-standing evolution. The aims of this study were to analyze the epidemiology and to evaluate the histopathological features and the chronic inflammation score (CIS) system of chronic dacryocystitis in the region of Moldavia, Romania, over a period of 16 years. METHODS: We conducted a retrospective descriptive analysis of all pathological reports of chronic dacryocystitis from the Department of Pathology, "Prof...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28728720/mitral-valve-repair-the-french-correction-versus-the-american-correction
#6
REVIEW
Sarah A Schubert, James H Mehaffey, Eric J Charles, Irving L Kron
Degenerative mitral valve disease causing mitral regurgitation is the most common organic valve pathology and is classified based on leaflet motion. The "French correction" mitral valve repair method restores normal valvular anatomy with extensive leaflet resection, chordal manipulation, and rigid annuloplasty. The American correction attempts to restore normal valve function through minimal leaflet resection, flexible annuloplasty, and use of artificial chordae. These differing methods of mitral valve repair reflect an evolution in principles, but both require understanding of the valve pathology and correction of leaflet prolapse and annular dilatation...
August 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28725597/canine-prostate-models-in-preclinical-studies-of-minimally-invasive-interventions-part-i-canine-prostate-anatomy-and-prostate-cancer-models
#7
REVIEW
Fei Sun, Claudia Báez-Díaz, Francisco Miguel Sánchez-Margallo
The high prevalence of prostate cancer (PCa) in elderly men and technical advances in early detection of localized PCa have led to continued efforts to develop new therapeutic options of minimally invasive nature in current urologic oncology community. Increasing newly emerging therapies are undergoing preclinical tests on the technical feasibility, efficacy and safety in animal experiments. The dog is an ideal large animal because of its similar anatomy to human and the capability allowing the use of the same medical devices applied in future clinical trials...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28719764/surgical-anatomy-does-not-affect-the-progression-of-intestinal-failure-associated-liver-disease-in-neonatal-piglets
#8
Celeste M Lavallee, Pamela R Wizzard, Marihan Lansing, Donna F Vine, Patrick N Nation, Jason Y Yap, Benjamin P Willing, Paul W Wales, Justine M Turner
BACKGROUND: Intestinal failure-associated liver disease (IFALD) causes significant morbidity in neonates with short bowel syndrome (SBS) dependent on parenteral nutrition (PN). Resected ileum, with loss of the ileocecal valve (ICV), is the most common anatomy in SBS, yet its impact on IFALD has not been adequately studied. METHODS: Neonatal piglets were randomized to 75% intestinal resection with jejunocolic anastomosis (JC, n = 12), 75% resection with jejunoileal anastomosis and intact ICV (JI, n = 13), PN-fed sham (sham, n = 14), or sow-fed control (SF, n = 8)...
July 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28717867/totally-laparoscopic-living-donor-left-hepatectomy-for-liver-transplantation-in-a-child
#9
Helayel Almodhaiberi, Seok-Hwan Kim, Ki-Hun Kim
BACKGROUND: Minimally invasive surgery has been validated to be a new standard in living donor hepatectomy for adult-to-pediatric transplantation with less morbidity [1]. Laparoscopic donor hepatectomy can reduce the major concerns about pain and morbidity associated with open surgery and a slow return to daily activities of donors [2]. Herein, we present one case of totally laparoscopic living donor left hepatectomy including the middle hepatic vein (MHV). DONOR AND METHOD: A 37-year-old mother volunteered to donate to her 3-year-old son with biliary atresia (PELD score 7)...
July 17, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28715319/cad-based-virtual-humans-design-and-safety-assessment-of-mri-coils
#10
Gregory M Noetscher, Nicholas D Maino, Patrick Lacroix, Marc Horner, Sara Louie
Magnetic resonance imaging (MRI) is a ubiquitous tool used in clinical settings around the world to provide detailed three-dimensional information on the internal anatomy and physiology of human patients without the use of ionizing radiation, which is the primary safety concern associated with computed tomography. This information is obtained noninvasively and can be used in the diagnosis of pathological conditions as well as the monitoring of treatments.
July 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28714187/a-critique-of-utilitarian-and-instrumentalist-concepts-for-the-teaching-of-gross-anatomy-to-medical-and-dental-students-an-opinion-piece
#11
Bernard J Moxham, Diogo Pais
Medical and dental curricula, together with anatomical sciences courses, are increasingly having to change, mainly because there is a drive to being what is termed, without adequate definition, 'clinically relevant'. The concept of 'clinical anatomy' has accordingly been invented and it is expected that, at all times, the teaching of anatomy is directly focussed on clinical scenarios, meaning almost invariably the 'disease-based model of medicine and dentistry'. Furthermore, students are not expected to have a detailed knowledge of gross anatomy and the time devoted to teaching and learning the subject has decreased significantly...
July 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28713632/radiographic-assessment-of-the-presigmoid-retrolabyrinthine-approach
#12
Andrew K Wong, Melissa M Stamates, Anita P Bhansali, Michael Shinners, Ricky H Wong
BACKGROUND: Lesions of the petroclival fissure are difficult to access surgically. Both retrosigmoid and presigmoid retrolabyrinthine approaches have been described to successfully treat these complex tumors. The retrosigmoid approach offers quick and familiar access, whereas the presigmoid retrolabyrinthine approach reduces the operative distance and the need for cerebellar retraction. The presigmoid retrolabyrinthine approach, however, is constrained by anatomical limits that can be subject to patient variation...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28712994/recognition-of-white-matter-bundles-using-local-and-global-streamline-based-registration-and-clustering
#13
REVIEW
Eleftherios Garyfallidis, Marc-Alexandre Côté, Francois Rheault, Jasmeen Sidhu, Janice Hau, Laurent Petit, David Fortin, Stephen Cunanne, Maxime Descoteaux
Virtual dissection of diffusion MRI tractograms is cumbersome and needs extensive knowledge of white matter anatomy. This virtual dissection often requires several inclusion and exclusion regions-of-interest that make it a process that is very hard to reproduce across experts. Having automated tools that can extract white matter bundles for tract-based studies of large numbers of people is of great interest for neuroscience and neurosurgical planning. The purpose of our proposed method, named RecoBundles, is to segment white matter bundles and make virtual dissection easier to perform...
July 13, 2017: NeuroImage
https://www.readbyqxmd.com/read/28711209/dual-energy-computed-tomography-of-the-neck-a-pictorial-review-of-normal-anatomy-variants-and-pathologic-entities-using-different-energy-reconstructions-and-material-decomposition-maps
#14
REVIEW
Almudena Pérez-Lara, Reza Forghani
There is increasing use of dual-energy computed tomography (DECT) for the evaluation of head and neck pathologic entities. Optimal DECT utilization requires familiarity with the appearance of normal tissues variants, and pathologic entities on different DECT reconstructions that may be used in clinical practice. The purpose of this article is to provide a practical, pictorial review of the appearance of normal anatomic structures and different neoplastic and nonneoplastic head and neck pathologic entities on commonly used DECT reconstructions...
August 2017: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/28706865/echocardiography-of-the-tricuspid-valve-acknowledgements
#15
Jamahal Luxford, Levi Bassin, Michael D'Ambra
The tricuspid valve (TV), although occasionally considered "neglected" is the subject of renewed and increasing interest. Factors include an awareness that tricuspid value dysfunction is influential in patient outcomes, an improving understanding of valve anatomy and function and evolving techniques available to address tricuspid regurgitation. Tricuspid regurgitation (TR) can be classified as being due to primary diseases of the valve or functional in nature, with the majority being functional. Whilst it was previously believed that such functional TR, resulting from left sided disease, would resolve after correction of the underlying pathology this is now known not to be true...
May 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28706811/surgical-technique-for-arthroscopy-assisted-anatomical-reconstruction-of-acromioclavicular-and-coracoclavicular-ligaments-using-autologous-hamstring-graft-in-chronic-acromioclavicular-joint-dislocations
#16
Bancha Chernchujit, Prashant Parate
Injuries to the acromioclavicular (AC) joint are becoming common with contact sports and bike accidents. It is well known that in AC dislocations, the first structure to fail is the AC capsule followed by the trapezoid and conoid ligaments. The function of these ligaments must be restored to restore the anatomy and physiology of the AC joint to get the best results. Until now, no technique has emerged as the gold standard for restoration of the AC joint anatomy and function. In our technique, the stress is on recreating the anatomy to make it more individualized based on individual variations...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706116/training-standards-in-neuroendovascular-surgery-program-accreditation-and-practitioner-certification
#17
REVIEW
Arthur L Day, Adnan H Siddiqui, Philip M Meyers, Tudor G Jovin, Colin P Derdeyn, Brian L Hoh, Howard Riina, Italo Linfante, Osama Zaidat, Aquilla Turk, Jay U Howington, J Mocco, Andrew J Ringer, Erol Veznedaroglu, Alexander A Khalessi, Elad I Levy, Henry Woo, Robert Harbaugh, Steven Giannotta
BACKGROUND AND PURPOSE: Neuroendovascular surgery is a medical subspecialty that uses minimally invasive catheter-based technology and radiological imaging to diagnose and treat diseases of the central nervous system, head, neck, spine, and their vasculature. To perform these procedures, the practitioner needs an extensive knowledge of the anatomy of the nervous system, vasculature, and pathological conditions that affect their physiology. A working knowledge of radiation biology and safety is essential...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28703036/an-unusual-presentation-of-ischaemic-mitral-regurgitation-as-p2-prolapse
#18
David S Thompson, Prakash P Punjabi
A 54-year-old gentleman presented with pulmonary oedema secondary to anterolateral papillary muscle (PPM) rupture and acute mitral regurgitation subsequent to myocardial ischaemia (MI). Angiography revealed complete occlusion of the first obtuse marginal (OM1) branch of the circumflex coronary artery and a 70% occlusion of the left anterior descending (LAD) coronary artery. Operatively, unusual anatomy was noted; an accessory head was attached superiorly to the anterior lateral PPM. This gave rise to chordae that were subsequently attached to the posterior second (P2) scallop...
July 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28700420/comparison-of-2d-and-3d-video-displays-for-teaching-vitreoretinal-surgery
#19
Nisarg Chhaya, Omar Helmy, Niloofar Piri, Agustina Palacio, Shlomit Schaal
PURPOSE: To compare medical students' learning uptake and understanding of vitreoretinal surgeries by watching either 2D or 3D video recordings. METHODS: Three vitreoretinal procedures (tractional retinal detachment, exposed scleral buckle removal, and four-point scleral fixation of an intraocular lens [TSS]) were recorded simultaneously with a conventional recorder for two-dimensional viewing and a VERION 3D HD system using Sony HVO-1000MD for three-dimensional viewing...
July 11, 2017: Retina
https://www.readbyqxmd.com/read/28698915/surgical-treatment-of-stage-ii-posterior-tibialis-tendon-dysfunction-ten-year-clinical-and-radiographic-results
#20
Alberto Ruffilli, Francesco Traina, Sandro Giannini, Roberto Buda, Fabrizio Perna, Cesare Faldini
INTRODUCTION: Grade II chronic tibialis posterior tendon dysfunction (PTTD) poses a reconstructive challenge to the orthopaedic surgeon. Aim of this retrospective study is to report the clinical and radiographical results of a case series of 63 patients (102 ft) affected by grade II PTTD who underwent tailored surgical treatment at 10-year mean follow-up. MATERIALS AND METHODS: Sixty-three patients (102 ft) were available for clinical and radiological evaluation and were retrospectively reviewed at a mean follow-up of 125...
July 11, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
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