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Functional Anatomy

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https://www.readbyqxmd.com/read/28922191/acr-spr-str-practice-parameter-for-the-performance-of-cardiac-positron-emission-tomography-computed-tomography-pet-ct-imaging
#1
Rathan M Subramaniam, Warren R Janowitz, Geoffrey B Johnson, Martin A Lodge, Marguerite T Parisi, Mark R Ferguson, Jeffrey C Hellinger, Gregory W Gladish, Narainder K Gupta
This clinical practice parameter has been developed collaboratively by the American College of Radiology (ACR), the Society for Pediatric Radiology (SPR), and the Society of Thoracic Radiology (STR). This document is intended to act as a guide for physicians performing and interpreting positron emission tomography-computed tomography (PET/CT) of cardiac diseases in adults and children. The primary value of cardiac PET/CT imaging include evaluation of perfusion, function, viability, inflammation, anatomy, and risk stratification for cardiac-related events such as myocardial infarction and death...
September 15, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28917282/interventional-mri-guided-deep-brain-stimulation-lead-implantation
#2
REVIEW
Philip S Lee, Robert Mark Richardson
Current knowledge of the functional anatomy of the subthalamic nucleus and globus pallidus, discovered through microelectrode recording and postoperative imaging, justifies purely anatomic targeting for deep brain stimulation (DBS). Interventional MRI (iMRI)-DBS is more anatomically accurate than traditional awake procedures and has similar clinical outcomes without increased risk or increased operative times. iMRI lead implantation allows patients to receive DBS therapy who cannot tolerate or do not agree to undergo an awake procedure...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28914990/simulating-the-multi-disciplinary-care-team-approach-enhancing-student-understanding-of-anatomy-through-an-ultrasound-anchored-interprofessional-session
#3
Marianne T Luetmer, Beth A Cloud, James W Youdas, Wojciech Pawlina, Nirusha Lachman
Quality of healthcare delivery is dependent on collaboration between professional disciplines. Integrating opportunities for interprofessional learning in health science education programs prepares future clinicians to function as effective members of a multi-disciplinary care team. This study aimed to create a modified team-based learning (TBL) environment utilizing ultrasound technology during an interprofessional learning activity to enhance musculoskeletal anatomy knowledge of first year medical (MD) and physical therapy (PT) students...
September 15, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28913505/periorbital-facial-rejuvenation-applied-anatomy-and-pre-operative-assessment
#4
REVIEW
Mohsen Bahmani Kashkouli, Parya Abdolalizadeh, Navid Abolfathzadeh, Hamed Sianati, Maria Sharepour, Yasaman Hadi
PURPOSE: Since different subspecialties are currently performing a variety of upper facial rejuvenation procedures, and the level of knowledge on the ocular and periocular anatomy and physiology is different, this review aims to highlight the most important preoperative examinations and tests with special attention to the eye and periocular adnexal structures for general ophthalmologist and specialties other than oculo-facial surgeons in order to inform them about the fine and important points that should be considered before surgery to have both cosmetic and functional improvement...
September 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28906599/dual-extrusion-3d-printing-of-anatomical-models-for-education
#5
Michelle L Smith, James F X Jones
Two material 3D printing is becoming increasingly popular, inexpensive and accessible. In this paper, freely available printable files and dual extrusion fused deposition modelling were combined to create a number of functional anatomical models. To represent muscle and bone FilaFlex(3D) flexible filament and polylactic acid (PLA) filament were extruded respectively via a single 0.4 mm nozzle using a Big Builder printer. For each filament, cubes (5 mm(3) ) were printed and analyzed for X, Y, and Z accuracy...
September 14, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/28902864/comparative-skull-anatomy-of-terrestrial-and-crevice-dwelling-trachylepis-skinks-squamata-scincidae-with-a-survey-of-resources-in-scincid-cranial-osteology
#6
Daniel J Paluh, Aaron M Bauer
Skinks account for more than 25% of all lizard species; however, representatives of fewer than a quarter of all species have been characterized osteologically. All but a few of the available cranial descriptions concentrate solely on characters that can be seen externally on the intact skull. Mabuyid skinks of the genus Trachylepis are the dominant, fully limbed skinks in Sub-Saharan Africa, and nearly all species have the same generalized body plan. Although a few rock crevice-dwelling species possess slight body depression, extreme dorsoventral depression is observed only in Trachylepis laevis...
2017: PloS One
https://www.readbyqxmd.com/read/28901951/real-time-non-rigid-target-tracking-for-ultrasound-guided-clinical-interventions
#7
Cornel Zachiu, Mario G Ries, Pascal Ramaekers, Jean-Luc Guey, Chrit T W Moonen, Baudouin Denis de Senneville
Biological motion is a problem for non- or mini-invasive interventions when conducted in mobile/deformable organs due to the targeted pathology moving/deforming with the organ. This may lead to high miss rates and/or incomplete treatment of the pathology. Therefore, real-time tracking of the target anatomy during the intervention would be beneficial for such applications. Since the aforementioned interventions are often conducted under B-mode ultrasound (US) guidance, target tracking can be achieved via image registration, by comparing the acquired US images to a separate image established as positional reference...
September 13, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28900518/nail-unit-ultrasound-a-complete-guide-of-the-nail-diseases
#8
REVIEW
Felipe Aluja Jaramillo, Diana Carolina Quiasúa Mejía, Hector Mauricio Martínez Ordúz, Cesar González Ardila
INTRODUCTION: The nails have a functional and esthetic importance for patients. Almost always, the nail disorders are diagnosed on the basis of clinical findings, but imaging methods may be required for a better assessment. These imaging methods, such as ultrasound and magnetic resonance, may help to establish an accurate diagnosis. Magnetic resonance imaging is not widely available and sometimes may be very expensive; that is why, ultrasound is an excellent imaging modality. Our objective is to expose the nail unit anatomy, the nail unit anatomy in ultrasound, and some of the frequent pathologies found in our daily practice...
September 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28895435/intranasal-delivery-of-stem-cell-based-therapies-for-the-treatment-of-brain-malignancies
#9
Gina Li, Nicolas Bonamici, Mahua Dey, Maciej S Lesniak, Irina V Balyasnikova
Glioblastoma (GBM) is the most aggressive malignant brain cancer in adults, and its poor prognosis and resistance to the existing standard of care require the development of innovative therapeutic modalities. The local delivery of stem cells as therapeutic carriers against glioma has produced encouraging results, but encounters obstacles with regards to the repeatability and invasiveness of administration. Intranasal delivery of therapeutic stem cells could overcome these obstacles, among others, as a noninvasive and easily repeatable mode of administration...
September 12, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28894833/ethmoidectomy-combined-with-superior-meatus-enlargement-increases-olfactory-airflow
#10
Hironobu Nishijima, Kenji Kondo, Tsutomu Nomura, Tatsuya Yamasoba
OBJECTIVES: The relationship between a particular surgical technique in endoscopic sinus surgery (ESS) and airflow changes in the post-operative olfactory region has not been assessed. The present study aimed to compare olfactory airflow after ESS between conventional ethmoidectomy and ethmoidectomy with superior meatus enlargement, using virtual ESS and computational fluid dynamics (CFD) analysis. STUDY DESIGN: Prospective computational study. MATERIALS AND METHODS: Nasal computed tomography images of four adult subjects were used to generate models of the nasal airway...
August 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/28894728/treatment-of-the-enlarged-clitoris
#11
REVIEW
Martin Kaefer, Richard C Rink
Management of the enlarged clitoris, because of its import for sexual function, has been and remains one of the most controversial topics in pediatric urology. Early controversy surrounding clitoroplasty resulted from many factors including an incomplete understanding of clitoral anatomy and incorrect assumptions of the role of the clitoris in sexual function. With a better understanding of anatomy and function, procedures have evolved to preserve clitoral tissue, especially with respect to the neurovascular bundles...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28893565/a-review-of-the-effects-of-physical-activity-and-sports-concussion-on-brain-function-and-anatomy
#12
Sara Tremblay, Alvaro Pascual-Leone, Hugo Théoret
Physical activity has been associated with widespread anatomical and functional brain changes that occur following acute exercise or, in the case of athletes, throughout life. High levels of physical activity through the practice of sports also lead to better general health and increased cognitive function. Athletes are at risk, however, of suffering a concussion, the effects of which have been extensively described for brain function and anatomy. The level to which these effects are modulated by increased levels of fitness is not known...
September 8, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28892988/treatment-of-proximal-humerus-fractures-using-philos-plate
#13
Chintan Doshi, Gaurav Mahesh Sharma, Lokesh Gudda Naik, Krishna Sudhakar Badgire, Faisal Qureshi
INTRODUCTION: Treatment of proximal humerus fractures always holds a dilemma for the treating surgeon. AIM: To assess the functional outcome of proximal humerus fractures treated with Proximal Humerus Internal Locking System (PHILOS) plating. MATERIAL AND METHODS: Fifty three consecutive patients were treated with PHILOS plating between August 2013 and August 2014. The inclusion criteria were skeletally matured patients with closed fracture proximal humerus with displacement >1 cm and varus angulation of >45(0)...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28891280/pelvic-floor-evaluation-with-transperineal-ultrasound-a-new-approach
#14
Francesca Vellucci, Cristina Regini, Chiara Barbanti, Stefano Luisi
The increased life expectancy, the importance of the prevention in younger age and the role of the pelvic floor disfunction not only in the disease of the third age, but also in the childbearing age, as the influence on the type of delivery, underline the importance of the evaluation of the pelvic floor. The evaluation of pelvic floor is generally clinical, but in the last 2 decades, the use of ultrasound has become a mainstream diagnostic tool in the investigation of female pelvic organ prolapse, urinary and fecal incontinence and defecation disorders, providing an immediate objective confirmation of findings obtained on clinical examination and filling some of the gaps of the urogynecological exam...
September 5, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28890416/bayesian-population-receptive-field-modelling
#15
REVIEW
Peter Zeidman, Edward Harry Silson, Dietrich Samuel Schwarzkopf, Chris Ian Baker, Will Penny
We introduce a probabilistic (Bayesian) framework and associated software toolbox for mapping population receptive fields (pRFs) based on fMRI data. This generic approach is intended to work with stimuli of any dimension and is demonstrated and validated in the context of 2D retinotopic mapping. The framework enables the experimenter to specify generative (encoding) models of fMRI timeseries, in which experimental stimuli enter a pRF model of neural activity, which in turns drives a nonlinear model of neurovascular coupling and Blood Oxygenation Level Dependent (BOLD) response...
September 7, 2017: NeuroImage
https://www.readbyqxmd.com/read/28889005/a-flexible-graphical-model-for-multi-modal-parcellation-of-the-cortex
#16
Sarah Parisot, Ben Glocker, Sofia Ira Ktena, Salim Arslan, Markus D Schirmer, Daniel Rueckert
Advances in neuroimaging have provided a tremendous amount of in-vivo information on the brain's organisation. Its anatomy and cortical organisation can be investigated from the point of view of several imaging modalities, many of which have been studied for mapping functionally specialised cortical areas. There is strong evidence that a single modality is not sufficient to fully identify the brain's cortical organisation. Combining multiple modalities in the same parcellation task has the potential to provide more accurate and robust subdivisions of the cortex...
September 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/28887964/in-vitro-co-culture-of-epithelial-cells-and-smooth-muscle-cells-on-aligned-nanofibrous-scaffolds
#17
Purushothaman Kuppan, Swaminathan Sethuraman, Uma Maheswari Krishnan
Esophagus is a complex, hollow organ consisting of epithelial cells in the inner mucosal layer and smooth muscle cells in the outer muscle layer. In the present study, we have evaluated the in vitro co-culture of epithelial cells and smooth muscle cells on the aligned nanofibrous scaffold made of PHBV, PHBV-gelatin, PCL and PCL-gelatin developed through electrospinning using rotating drum collector. Epithelial cells were labeled with cell tracker green while the smooth muscle cells were labeled with cell tracker red...
December 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28884300/what-every-radiologist-should-know-about-adnexal-torsion
#18
Guillaume Ssi-Yan-Kai, Anne-Laure Rivain, Caroline Trichot, Marie-Chantal Morcelet, Sophie Prevot, Xavier Deffieux, Jocelyne De Laveaucoupet
Adnexal torsion is the fifth most common gynecologic surgical emergency, requiring clinician and radiologist awareness. It involves the rotation of the ovarian tissue on its vascular pedicle leading to stromal edema, hemorrhagic infarction, and necrosis of the adnexal structures with the subsequent sequelae. Expedient diagnosis poses a difficult challenge because the clinical presentation is variable and often misleading. Adnexal torsion can mimic malignancy as it can take a subacute, intermittent, or chronic course, and thereby can be complicated to diagnose...
September 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28884106/understanding-posterior-meniscal-roots-lesions-from-basic-science-to-treatment
#19
REVIEW
Raphael Serra Cruz, Marcio Balbinotti Ferrari, Leonardo Metsavaht, Robert F LaPrade
The variability of symptoms and the fact that they are not easily recognized in imaging studies make the diagnosis and treatment of posterior meniscal roots lesions a challenging task to the orthopedist. In recent years, a more precise understanding of the anatomy and biomechanical impair of the knee joint in these cases has enabled great advances in therapeutic approaches. Well-documented studies have shown that the repair of these lesions presents superior functional and clinical improvement when compared with meniscectomy...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28882412/a-flavonoid-agonist-of-the-trkb-receptor-for-bdnf-improves-hippocampal-neurogenesis-and-hippocampus-dependent-memory-in-the-ts65dn-mouse-model-of-ds
#20
Fiorenza Stagni, Andrea Giacomini, Sandra Guidi, Marco Emili, Beatrice Uguagliati, Maria Elisa Salvalai, Valeria Bortolotto, Mariagrazia Grilli, Roberto Rimondini, Renata Bartesaghi
Intellectual disability is the unavoidable hallmark of Down syndrome (DS), with a heavy impact on public health. Reduced neurogenesis and impaired neuron maturation are considered major determinants of altered brain function in DS. Since the DS brain starts at a disadvantage, attempts to rescue neurogenesis and neuron maturation should take place as soon as possible. The brain-derived neurotrophic factor (BDNF) is a neurotrophin that plays a key role in brain development by specifically binding to tropomyosin-related kinase receptor B (TrkB)...
September 4, 2017: Experimental Neurology
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