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Anatomic pathology

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https://www.readbyqxmd.com/read/28733729/laparoscopic-left-hepatectomy-for-mucinous-cystic-neoplasm-of-the-liver
#1
Nazareno Smerieri, Guido Fiorentini, Francesca Ratti, Federica Cipriani, Andrea Belli, Luca Aldrighetti
BACKGROUND: Among liver cystic lesions, mucinous cystic neoplasm of the liver (MCN-L) constitutes a challenging issue in terms of management: preoperative diagnosis is often unachievable and this may mislead to inappropriate treatment [1-3]. We present the case of an otherwise healthy 29-year-old female who underwent laparotomic cyst unroofing in segment 4 and cholecystectomy in another institution. Post-operative course was complicated by biliary leakage that was endoscopically treated...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28732177/inguinal-hernia-in-athletes-role-of-dynamic-ultrasound
#2
William Kelton Vasileff, Mikhail Nekhline, Patricia A Kolowich, Gary B Talpos, Willam R Eyler, Marnix van Holsbeeck
BACKGROUND: Inguinal hernia is a commonly encountered cause of pain in athletes. Because of the anatomic complexity, lack of standard imaging, and the dynamic condition, there is no unified opinion explaining its underlying pathology. HYPOTHESIS: Athletes with persistent groin pain would have a high prevalence of inguinal hernia with dynamic ultrasound, and herniorrhaphy would successfully return athletes to activity. STUDY DESIGN: Case-control study...
July 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28730966/nicotinic-cholinergic-system-in-the-hypothalamus-modulates-the-activity-of-the-hypothalamic-neuropeptides-during-the-stress-resp
#3
Burcu Balkan, Sakire Pogun
The hypothalamus harbors high levels of cholinergic neurons and axon terminals. Nicotinic acetylcholine receptors, which play an important role in cholinergic neurotransmission, are expressed abundantly in the hypothalamus. Accumulating evidence reveals a regulatory role for nicotine in diverse functions mediated by the hypothalamus, including the regulation of the stress responses. The nicotinic cholinergic system lies at the intersection of homeostatic and reward pathways and shows sex differences in some of its effects...
July 19, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28730223/histopathological-diagnosis-and-its-correlations-with-anatomoclinical-features-surgical-approach-and-postoperative-prognosis-in-sacral-tumors
#4
Oana Ilona David, Corina Veronica Lupaşcu-Ursulescu, Cristian Dumitru Lupaşcu, Aurelia Mihaela Sandu, Victor Dan Eugen Strâmbu, Daniel Alin Cristian, Ştefan Iulian Bedereag, Irina Alexandra Calangea, Elena Violeta Radu, IonuŢ Simion Coman, Vlad Andrei Porojan, Valentin Titus Grigorean
INTRODUCTION: Sacral tumors encompass numerous histopathological types. They represent an uncommon pathology and, when diagnosed, they are often in advanced stage of the disease, becoming a therapeutic challenge. The correct treatment of a sacral tumor should be established by a multidisciplinary team that will assess the exact anatomical, imagistic and histopathological characteristic of the tumors thus choosing an optimal surgical approach while taking into consideration the risk of recurrence...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28726077/bioscore-a-staging-system-for-breast-cancer-patients-that-reflects-the-prognostic-significance-of-underlying-tumor-biology
#5
Elizabeth A Mittendorf, Mariana Chavez-MacGregor, Jose Vila, Min Yi, Daphne Y Lichtensztajn, Christina A Clarke, Sharon H Giordano, Kelly K Hunt
BACKGROUND: Biologic factors guide treatment decisions and have a significant impact on prognosis for breast cancer patients. This study was undertaken to develop a staging system incorporating biologic factors in addition to standard anatomic factors in the American Joint Committee on Cancer (AJCC) pathologic stage (PS) to assess disease-specific survival (DSS). METHODS: Overall, 3327 patients treated with surgery as an initial intervention at MD Anderson Cancer Center from 2007 to 2013 were identified...
July 19, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28725792/entrustable-professional-activities-for-pathology-recommendations-from-the-college-of-american-pathologists-graduate-medical-education-committee
#6
Cindy B McCloskey, Ronald E Domen, Richard M Conran, Robert D Hoffman, Miriam D Post, Mark D Brissette, Dita A Gratzinger, Patricia M Raciti, David A Cohen, Cory A Roberts, Amyn M Rojiani, Christina S Kong, Jo Elle G Peterson, Kristen Johnson, Sue Plath, Suzanne Zein-Eldin Powell
Competency-based medical education has evolved over the past decades to include the Accreditation Council for Graduate Medical Education Accreditation System of resident evaluation based on the Milestones project. Entrustable professional activities represent another means to determine learner proficiency and evaluate educational outcomes in the workplace and training environment. The objective of this project was to develop entrustable professional activities for pathology graduate medical education encompassing primary anatomic and clinical pathology residency training...
January 2017: Acad Pathol
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/28724970/classification-of-skin-phenotypes-caused-by-diabetes-mellitus-using-complex-scattering-parameters-in-the-millimeter-wave-frequency-range
#8
Fabian Dornuf, Pedro Martín-Mateos, Blanca Duarte, Bernhard Hils, Oscar Elias Bonilla-Manrique, Fernando Larcher, Pablo Acedo, Viktor Krozer
The pathological skin phenotype caused by hyperglycemia is an important indicator for the progress of diabetes mellitus. An early detection of diabetes assures an early intervention to regulate the carbohydrate metabolism. In this publication a non-invasive detection principle based on the measurement of complex scattering parameters in the millimeter-wave frequency range is presented. The measurement principle provides evidence of the applicability for the identification of different glycemic states in animal models...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724485/effects-of-breeding-configuration-on-maternal-and-weanling-behavior-in-laboratory-mice
#9
Gillian C Braden, Skye Rasmussen, Sebastien Monette, Ravi J Tolwani
Although numerous studies have evaluated the effect of housing density on the wellbeing of laboratory mice, little is known about the effect of breeding configuration on mouse behavior. The 8th edition of the Guide for the Care and Use of Laboratory Animals lists the recommended minimal floor area per animal for a female mouse and her litter as 51 in.2 We sought to determine the effects of pair, trio, and harem breeding configurations on the maternal and weanling behavior of C57BL/6J (B6) and 129S6/SvEvTac (129) mice on the basis of nest scores and performance in pup retrieval tests, open-field test (OFT), elevated plus maze, and tail suspension test; we concurrently evaluated cage microenvironment, reproductive indices, and anatomic and clinical pathology...
July 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28720322/rodent-large-animal-and-non-human-primate-models-of-spinal-cord-injury
#10
REVIEW
Raffaele Nardone, Cristina Florea, Yvonne Höller, Francesco Brigo, Viviana Versace, Piergiorgio Lochner, Stefan Golaszewski, Eugen Trinka
In this narrative review we aimed to assess the usefulness of the different animal models in identifying injury mechanisms and developing therapies for humans suffering from spinal cord injury (SCI). Results obtained from rodent studies are useful but, due to the anatomical, molecular and functional differences, confirmation of these findings in large animals or non-human primates may lead to basic discoveries that cannot be made in rodent models and that are more useful for developing treatment strategies in humans...
June 21, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28716961/the-structural-basis-of-large-scale-functional-connectivity-in-the-mouse
#11
Joanes Grandjean, Valerio Zerbi, Joshua Balsters, Nicole Wenderoth, Markus Rudina
Translational neuroimaging requires approaches and techniques that can bridge between multiple different species and disease states. One candidate method, which offers insights into the brain's functional connectivity (FC), is resting state fMRI (rs-fMRI). In both humans and non-human primates, patterns of functional connectivity (often referred to as the functional connectome) have been related to the underlying structural connectivity (structural connectome). Given the recent rise in pre-clinical neuroimaging of mouse models it is an important question whether the mouse functional connectome conforms to the underlying structural connectivity...
July 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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
#12
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
#13
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/28713258/relationship-of-topology-multiscale-phase-synchronization-and-state-transitions-in-human-brain-networks
#14
Minkyung Kim, Seunghwan Kim, George A Mashour, UnCheol Lee
How the brain reconstitutes consciousness and cognition after a major perturbation like general anesthesia is an important question with significant neuroscientific and clinical implications. Recent empirical studies in animals and humans suggest that the recovery of consciousness after anesthesia is not random but ordered. Emergence patterns have been classified as progressive and abrupt transitions from anesthesia to consciousness, with associated differences in duration and electroencephalogram (EEG) properties...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28713238/targeting-cognitive-impairment-in-multiple-sclerosis-the-road-toward-an-imaging-based-biomarker
#15
Jeroen Van Schependom, Guy Nagels
Multiple Sclerosis (MS) is a neuro-degenerative and -inflammatory disease leading to physical and cognitive impairment, pathological fatigue and depression, and affecting patients' quality of life and employment status. The combination of inflammation, demyelination, and neurodegeneration leads to the emergence of MS lesions, reduced white and gray matter brain volumes, a reduced conduction velocity and microstructural changes in the so-called Normal Appearing White Matter (NAWM). Currently, there are very limited options to treat cognitive impairment and its origin is only poorly understood...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28713050/the-biomechanical-impact-of-the-facet-tropism-on-the-intervertebral-disc-and-facet-joints-in-the-cervical-spine
#16
Xin Rong, Beiyu Wang, Chen Ding, Yuxiao Deng, Hua Chen, Yang Meng, Weijie Yan, Hao Liu
BACKGROUND CONTEXT: The facet tropism is defined as the angular difference between the left and right facet orientation. The facet tropism was suggested to be associated with the disc degeneration and facet degeneration in the lumbar spine. However, little is known about the relationship between the facet tropism and pathological changes in the cervical spine and the mechanism behind. PURPOSE: This study was conducted to investigate the biomechanical impact of the facet tropism on the intervertebral disc and facet joints...
July 13, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28712898/iatrogenic-vertebral-artery-injury-during-anterior-cervical-spine-surgery-a-systematic-review
#17
REVIEW
Qing Guan, Long Chen, Ye Long, Zhou Xiang
BACKGROUND: Iatrogenic vertebral artery injury (VAI) during anterior cervical surgery is rare but potentially catastrophic. METHOD: The causes, presentation, diagnosis, management, prognosis, and prevention of VAI were reviewed following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. English-language studies and case reports published from 1980 to 2017 were retrieved. Data on diagnosis, surgical procedures and approach, site and cause of VAI, management, outcomes, and VA status were extracted...
July 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28711596/the-relevance-of-contact-independent-cell-to-cell-transfer-of-tdp-43-and-sod1-in-amyotrophic-lateral-sclerosis
#18
REVIEW
Maya A Hanspal, Christopher M Dobson, Justin J Yerbury, Janet R Kumita
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease involving the formation of cytoplasmic aggregates by proteins including TDP-43 and SOD1, in affected cells in the central nervous system (CNS). Pathology spreads from an initial site of onset to contiguous anatomical regions. There is evidence that for disease-associated proteins, including TDP-43 and SOD1, non-native protein conformers can promote misfolding of the natively folded counterparts, and cell-to-cell transfer of pathological aggregates may underlie the spread of the disease throughout the CNS...
July 12, 2017: Biochimica et Biophysica Acta
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
#19
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/28711204/applications-of-dual-energy-computed-tomography-for-the-evaluation-of-head-and-neck-squamous-cell-carcinoma
#20
REVIEW
Reza Forghani, Hillary R Kelly, Hugh D Curtin
There are multiple emerging applications of dual-energy computed tomography (DECT) for the evaluation of pathology in the head and neck, in particular head and neck squamous cell carcinoma. Studies suggest that DECT image sets reconstructed as supplements to routine diagnostic images may improve lesion visualization, determination of tumor extent, and identification of invasion of critical anatomic structures. This article reviews the evidence for the use and potential advantages of supplementary DECT reconstructions for the evaluation of head and neck squamous cell carcinoma...
August 2017: Neuroimaging Clinics of North America
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