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Gross pathology

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https://www.readbyqxmd.com/read/28643310/-establishment-of-a-prognostic-nomogram-to-predict-long-term-survival-in-non-metastatic-colorectal-cancer-patients
#1
Xiaojie Wang, Pan Chi, Huiming Lin, Xingrong Lu, Ying Huang, Zongbin Xu, Shenghui Huang, Yanwu Sun, Daoxiong Ye
OBJECTIVE: To establish a nomogram to predict long-term survival in non-metastatic colorectal cancer patients. METHODS: A retrospective analysis was conducted in patients with non-metastatic colorectal cancer who underwent radical surgery in the Department of Colorectal Surgery of Affiliated Union Hospital of Fujian Medical University between January 2000 and December 2014. Univariate and multivariate analyses on disease-free survival (DFS) were performed using the Cox proportional regression model...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28633397/impact-of-a-refined-advanced-design-for-left-atrial-appendage-exclusion
#2
Gengo Sunagawa, Jamshid H Karimov, May Breitbach, Nicholas A Robinson, Kiyotaka Fukamachi
OBJECTIVES: Exclusion of the left atrial appendage has been proposed to reduce the risk of stroke in patients with atrial fibrillation. The aim of this study was to evaluate the feasibility and efficacy of the AtriClip PRO·V device (AOD2), now in development, for left atrial appendage exclusion in a canine model. METHODS: The newest AtriClip design comprises a dual-spring mechanism that allows the clip to open into a 'V' shape while still providing equivalent force along the length of the beam...
June 13, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28624995/how-does-it-feel-to-be-a-pathology-resident-results-of-a-survey-on-experiences-and-job-satisfaction-during-pathology-residency
#3
Burcin Pehlivanoglu, Hur Hassoy, Catarina Calle, Amelie Dendooven, ILKe Nalbantoglu, Lidiya Reshchikova, Gulen Gul, Basak Doganavsargil
Residents' career choices and professional motivation can be affected from perception of their role and recognition within a medical team as well as their educational and workplace experiences. To evaluate pathology trainees' perceptions of their pathology residency, we conducted a 42-item survey via a web-based link questioning respondents' personal and institutional background, workplace, training conditions, and job satisfaction level. For the 208 residents from different European countries who responded, personal expectations in terms of quality of life (53%) and scientific excitement (52%) were the most common reasons why they chose and enjoy pathology...
June 17, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28624565/a-case-of-laterally-extended-high-positioned-chordoma-treated-using-the-high-cervical-retropharyngeal-approach
#4
Kiyoshi Ito, Takuya Nakamura, Tatsuro Aoyama, Tetsuyoshi Horiuchi, Kazuhiro Hongo
BACKGROUND: Several surgical approaches for the treatment of pathologies of the craniovertebral junction (CVJ) and high cervical regions have been reported. For the best postoperative results, selection of a surgical route to treat such pathologies should be based on a complete understanding of the approach. CASE DESCRIPTION: Here, we describe the case of a 64-year-old woman who presented with a 5-year history of motor and sensory disturbances in her right upper extremity...
June 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28624465/muscle-pathology-in-vici-syndrome-a-case-study-with-a-novel-mutation-in-epg5-and-a-summary-of-the-literature
#5
Carola Hedberg-Oldfors, Niklas Darin, Anders Oldfors
Vici syndrome is a disorder characterized by myopathy, cardiomyopathy, agenesis of the corpus callosum, immunodeficiency, cataracts, hypopigmentation, microcephaly, gross developmental delay and failure to thrive. It is caused by mutations in EPG5, which encodes a protein involved in the autophagy pathway. Although myopathy is part of the syndrome, few publications have described the muscle pathology. We present a detailed morphological analysis in a boy with Vici syndrome due to a novel homozygous one-base deletion in EPG5 (c...
May 8, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28620260/the-positive-expression-of-genotype-vii-newcastle-disease-virus-malaysian-isolate-in-japanese-quails-coturnix-coturnix-japonica
#6
Lizma Felisha Mazlan, Noor Farhana Bachek, Siti Nor Azizah Mahamud, Lokman Hakim Idris, Tan Sheau Wei, Abdul Rahman Omar, Mohd Hezmee Mohd Noor
AIM: Genotype VII Newcastle disease virus (NDV) is the most predominant NDV strains that circulating in Malaysia; thus, this study was aimed to determine the susceptibility of Japanese quails toward genotype VII NDV. Clinical signs, gross pathological lesions of organs, positive detection of virus in organs and cloacal swabs, as well as the expression of the antibody titer, were used as parameters to assess the susceptibility of Japanese quails following infection of genotype VII NDV...
May 2017: Veterinary World
https://www.readbyqxmd.com/read/28619543/circumferential-three-dimensional-printed-tracheal-grafts-research-model-feasibility-and-early-results
#7
Faiz Y Bhora, Erik E Lewis, Sadiq S Rehmani, Adil Ayub, Wissam Raad, Adnan M Al-Ayoubi, Robert S Lebovics
BACKGROUND: Methods for tracheal graft research have presented persistent challenges to investigators, and three-dimensional (3D)-printed biosynthetic grafts offer one potential development platform. We aimed to develop an efficient research platform for customizable circumferential 3D-printed tracheal grafts and evaluate feasibility and early structural integrity with a large-animal model. METHODS: Virtual 3D models of porcine subject tracheas were generated using preoperative computed tomography scans...
June 13, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28619130/occurrence-of-mycoplasma-hyorhinis-infections-in-fattening-pigs-and-association-with-clinical-signs-and-pathological-lesions-of-enzootic-pneumonia
#8
Adrian Luehrs, Salome Siegenthaler, Niels Grützner, Elisabeth Grosse Beilage, Peter Kuhnert, Heiko Nathues
Respiratory disorders in fattening pigs are of major concern worldwide. Particularly Enzootic Pneumonia remains a problem for the pig industry. This chronic respiratory disease is primarily caused by Mycoplasma hyopneumoniae (M. hyopneumoniae). However, more recently it was hypothesised that M. hyorhinis can also cause similar lung lesions. To investigate the relevance of M. hyorhinis as a cause of pneumonia in fattening pigs 10 farms in Switzerland (considered free of Enzootic Pneumonia) and 20 farms in Germany (regarded as endemic for Enzootic Pneumonia) with a history of chronic and/or recurrent respiratory diseases were included in the study...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28618865/streptococcus-thermophilus-ncimb-41856-ameliorates-signs-of-colitis-in-an-animal-model-of-inflammatory-bowel-disease
#9
J R Bailey, V Vince, N A Williams, T A Cogan
Treatment of inflammatory bowel disease (IBD) is mainly based on suppression of symptoms, often with numerous side effects. Trials of probiotics in IBD have frequently produced disappointing results. The majority of probiotics are unusual, since they do not require iron for growth, unlike many bacteria resident in the intestine. The IBD intestine is iron-rich due to bleeding and use of oral iron supplements; conventional probiotics would be rapidly outcompeted. We have evaluated an iron-responsive Streptococcus thermophilus strain for its potential to reduce signs of colitis...
June 16, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28608618/bench-to-bedside-bridge-enhanced-anterior-cruciate-ligament-repair
#10
REVIEW
Gabriel S Perrone, Benedikt L Proffen, Ata M Kiapour, Jakob T Sieker, Braden C Fleming, Martha M Murray
Anterior cruciate ligament (ACL) injuries are one of the most well-known orthopaedic injuries and are treated with one of the most common orthopaedic procedures performed in the United States. This surgical procedure, ACL reconstruction, is successful at restoring the gross stability of the knee. However, the outcomes of ACL reconstruction can be limited by short and long term complications, including muscle weakness, graft rupture and premature osteoarthritis. Thus, new methods of treating this injury are being explored...
June 13, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28607048/intraoperative-assessment-of-tumor-margins-during-glioma-resection-by-desorption-electrospray-ionization-mass-spectrometry
#11
Valentina Pirro, Clint M Alfaro, Alan K Jarmusch, Eyas M Hattab, Aaron A Cohen-Gadol, R Graham Cooks
Intraoperative desorption electrospray ionization-mass spectrometry (DESI-MS) is used to characterize tissue smears by comparison with a library of DESI mass spectra of pathologically determined tissue types. Measurements are performed in the operating room within 3 min. These mass spectra provide direct information on tumor infiltration into white or gray brain matter based on N-acetylaspartate (NAA) and on membrane-derived complex lipids. The mass spectra also indicate the isocitrate dehydrogenase mutation status of the tumor via detection of 2-hydroxyglutarate, currently assessed postoperatively on biopsied tissue using immunohistochemistry...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28598225/a-novel-voxel-wise-lesion-segmentation-technique-on-3-0-t-diffusion-mri-of-hyperacute-focal-cerebral-ischemia-at-1%C3%A2-h-after-permanent-mcao-in-rats
#12
Chi-Hoon Choi, Kyung Sik Yi, Sang-Rae Lee, Youngjeon Lee, Chang-Yeop Jeon, Jinwoo Hwang, Chulhyun Lee, Sung Sik Choi, Hong Jun Lee, Sang-Hoon Cha
To assess hyperacute focal cerebral ischemia in rats on 3.0-Tesla diffusion-weighted imaging (DWI), we developed a novel voxel-wise lesion segmentation technique that overcomes intra- and inter-subject variation in apparent diffusion coefficient (ADC) distribution. Our novel technique involves the following: (1) intensity normalization including determination of the optimal type of region of interest (ROI) and its intra- and inter-subject validation, (2) verification of focal cerebral ischemic lesions at 1 h with gross and high-magnification light microscopy of hematoxylin-eosin (H&E) pathology, (3) voxel-wise segmentation on ADC with various thresholds, and (4) calculation of dice indices (DIs) to compare focal cerebral ischemic lesions at 1 h defined by ADC and matching H&E pathology...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28596154/3d-printed-pathological-sectioning-boxes-to-facilitate-radiological-pathological-correlation-in-hepatectomy-cases
#13
Andrew T Trout, Matthew R Batie, Anita Gupta, Rachel M Sheridan, Gregory M Tiao, Alexander J Towbin
Radiogenomics promises to identify tumour imaging features indicative of genomic or proteomic aberrations that can be therapeutically targeted allowing precision personalised therapy. An accurate radiological-pathological correlation is critical to the process of radiogenomic characterisation of tumours. An accurate correlation, however, is difficult to achieve with current pathological sectioning techniques which result in sectioning in non-standard planes. The purpose of this work is to present a technique to standardise hepatic sectioning to facilitateradiological-pathological correlation...
June 8, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28588327/biosecurity-practices-and-causes-of-enteritis-on-ontario-meat-rabbit-farms
#14
Jennifer Kylie, Marina Brash, Ashley Whiteman, Brian Tapscott, Durda Slavic, J Scott Weese, Patricia V Turner
Infectious enterocolitis is a significant cause of mortality in meat rabbits. Disease risk is enhanced by intensive rearing practices and poor on-farm biosecurity. This investigation was undertaken in farmed meat rabbits during an Ontario-wide outbreak of enteritis with high mortality to determine the prevalence of causative agents. A survey evaluating on-farm biosecurity practices was also conducted to identify potential means of pathogen contamination and zoonotic risks. Gross and microscopic pathology evaluations combined with microbiologic testing were conducted on 95 rabbits over spring and winter months...
June 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28576184/radiation-oncology-management-of-stage-i-iii-cervix-cancer
#15
REVIEW
Lana de Souza Lawrence
Radiotherapy plays a critical role in the management of cervix carcinoma, in the adjuvant setting for patients with high-risk pathologic features and in the definitive setting for locoregionally advanced disease. External beam radiotherapy fields encompass potential areas of microscopic disease spread in addition to known areas of gross disease. In the presence of gross disease, however, escalation of dose is required that is best accomplished using a brachytherapy boost to spare surrounding normal organs from toxicity...
July 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28575773/glioneuronal-tumors-in-childhood-before-and-after-surgery-a-long-term-follow-up-study
#16
Christoffer Ehrstedt, Nuno Canto Moreira, Olivera Casar-Borota, Bo Strömberg, Gunnar Ahlsten
AIM: To give a detailed description of the long-term outcome of a cohort of children with glioneuronal tumors regarding pre- and postsurgical factors, including "dual" and "double" pathology, seizure freedom, and psychosocial outcome. METHODS: During a fifteen-year period (1995-2009), all patients (age 0-17.99years) with a glioneuronal brain tumor diagnosed and treated at Uppsala University Children's Hospital were identified from the National Brain Tumor Registry and the National Epilepsy Surgery Registry...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28575179/measurement-bias-of-gross-pathologic-compared-with-radiologic-tumor-size-of-resected-lung-adenocarcinomas-implications-for-the-t-stage-revisions-in-the-eighth-edition-of-the-american-joint-committee-on-cancer-staging-manual
#17
Kevin R Anderson, Benedikt H Heidinger, Yigu Chen, Alexander A Bankier, Paul A VanderLaan
Objectives: The eighth edition of the AJCC Cancer Staging Manual now stratifies the T descriptor for lung cancers by each increasing 1.0 cm increment, up to 5.0 cm, with an additional category for tumor greater than 7.0 cm. Bias in pathologic versus radiologic measurements may impact tumor staging. Methods: The gross pathologic measurements of 493 resected lung adenocarcinomas were compared with presurgical computed tomography radiologic measurements. Also, pathologic tumor measurement data from the Surveillance, Epidemiology, and End Results (SEER) program database were examined...
June 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28573183/fiducial-markers-coupled-with-3d-pet-ct-offer-more-accurate-radiation-treatment-delivery-for-locally-advanced-esophageal-cancer
#18
Jasmine A Oliver, Puja Venkat, Jessica M Frakes, Jason Klapman, Cynthia Harris, Jaime Montilla-Soler, Gautamy C Dhadham, Baderaldeen A Altazi, Geoffrey G Zhang, Eduardo G Moros, Ravi Shridhar, Sarah E Hoffe, Kujtim Latifi
BACKGROUND AND AIMS:  The role of three-dimensional positron emission tomography/computed tomography (3 D PET/CT) in esophageal tumors that move with respiration and have potential for significant mucosal inflammation is unclear. The aim of this study was to determine the correlation between gross tumor volumes derived from 3 D PET/CT and endoscopically placed fiducial markers. METHODS:  This was a retrospective, IRB approved analysis of 40 patients with esophageal cancer with fiducials implanted and PET/CT...
June 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28572150/percutaneous-spinal-ablation-in-a-sheep-model-protective-capacity-of-an-intact-cortex-correlation-of-ablation-parameters-with-ablation-zone-size-and-correlation-of-postablation-mri-and-pathologic-findings
#19
A N Wallace, T J Hillen, M V Friedman, Z S Zohny, B H Stephens, S C Greco, M R Talcott, J W Jennings
BACKGROUND AND PURPOSE: Despite the growing use of percutaneous ablation therapy for the treatment of metastatic spine disease, several issues have yet to be fully addressed. Our aims were to determine whether the vertebral body cortex protects against ablation-induced spinal cord injury; correlate radiofrequency, cryo-, and microwave ablation parameters with resulting spinal ablation zone dimensions and describe normal spinal marrow postablation changes on MR imaging. MATERIALS AND METHODS: Ten thoracolumbar vertebrae in 3 sheep were treated with radiofrequency ablation, cryoablation, or microwave ablation under fluoroscopic guidance...
June 1, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28571142/clinicopathological-evaluation-of-223-cases-of-mature-cystic-teratoma-ovary-25-year-experience-in-a-single-tertiary-care-centre-in-india
#20
Ruchi Rathore, Sonal Sharma, Deepshikha Arora
INTRODUCTION: Mature Cystic Teratoma (MCT) is the most common benign neoplasm of the ovary constituting 10-20% of all the ovarian tumours. Although, much has been published about ovarian teratomas, in English literature, there are very few retrospective cross sectional studies from India to understand the epidemiology of the disease. AIM: To evaluate the prevalence, clinicopathological characteristics and complications of MCT of the ovary. MATERIALS AND METHODS: This was a retrospective study of 223 cases of MCT of ovary received over a period of 25 years from 1990 to 2014...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
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