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https://www.readbyqxmd.com/read/28916508/development-of-a-whole-slide-imaging-system-on-smartphones-and-evaluation-with-frozen-section-samples
#1
Hong Yu, Feng Gao, Liren Jiang, Shuoxin Ma
BACKGROUND: The aim was to develop scalable Whole Slide Imaging (sWSI), a WSI system based on mainstream smartphones coupled with regular optical microscopes. This ultra-low-cost solution should offer diagnostic-ready imaging quality on par with standalone scanners, supporting both oil and dry objective lenses of different magnifications, and reasonably high throughput. These performance metrics should be evaluated by expert pathologists and match those of high-end scanners. OBJECTIVE: The aim was to develop scalable Whole Slide Imaging (sWSI), a whole slide imaging system based on smartphones coupled with optical microscopes...
September 15, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28894053/-prediction-of-pleural-adherence-area-used-by-ultrasound-sonography
#2
Atsushi Sekimura, Takashi Yoshimatsu, Naoki Yamashita, Hanae Higa, Takeaki Miyata, Daigo Kawano, Tetsuya So, Hidetaka Uramoto
Video-assisted thoracoscopic surgery has been used to treat lung cancer. However, pleural adhesions may increase the risk of lung injury while making the access port. We report a case of lung cancer in which preoperative lung ultrasound sonography was used to predict the pleural adherence area. An octogenarian man had undergone chest surgery for right spontaneous pneumothorax 20 years ago. He was recently diagnosed with a right middle lobe carcinoma and thoracoscopic surgery was scheduled. On preoperative lung ultrasound sonography, adhesion in the area surrounding the previous incision line was predicted to be strong...
September 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28889160/interprofessional-education-in-allied-health-using-virtual-technologies
#3
Amber D Donnelly, Maheswari S Mukherjee, Jana Koth, Lisa Bartenhagen
BACKGROUND: Interprofessional education (IPE) is becoming increasingly prevalent in health science education, with the goal of preparing students to work collaboratively in teams within the healthcare environment. Students in our cytotechnology and radiation therapy (RT) programs used virtual technologies to demonstrate their professions using case studies. The purpose of this activity was to see if our students' knowledge of each other's professions and educational technologies increased and if the students had a better understanding of how they would work together in a healthcare team...
2017: Journal of Allied Health
https://www.readbyqxmd.com/read/28884747/adverse-prognostic-value-of-pd-l1-expression-in-primary-resected-pulmonary-squamous-cell-carcinomas-and-paired-mediastinal-lymph-node-metastases
#4
Manuel D Keller, Christina Neppl, Yasin Irmak, Sean R Hall, Ralph A Schmid, Rupert Langer, Sabina Berezowska
Immunohistochemical assessment of programmed cell death (PD)-ligand 1 (PD-L1) expression in lung cancer in the context of therapeutically targeting the PD1/PD-L1 axis is still controversially discussed. This includes the comparability of antibody clones, prognostic value, and discrepancies between primary tumors and metastases. We assessed tumoral PD-L1 expression using clones E1L3N and SP142 in 372 primary resected pulmonary squamous cell carcinomas, including 40 paired N2 lymph node metastases, in relation with clinico-pathological parameters...
September 8, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28870520/loss-of-nrf2-promotes-alveolar-type-2-cell-loss-in-irradiated-fibrotic-lung
#5
Geri Traver, Stacey Mont, David Gius, William E Lawson, George X Ding, Konjeti R Sekhar, Michael L Freeman
The development of radiation-induced pulmonary fibrosis represents a critical clinical issue limiting delivery of therapeutic doses of radiation to non-small cell lung cancer. Identification of the cell types whose injury initiates a fibrotic response and the underlying biological factors that govern that response are needed for developing strategies that prevent or mitigate fibrosis. C57BL/6 mice (wild type, Nrf2 null, Nrf2(flox/flox), and Nrf2(Δ/Δ); SPC-Cre) were administered a thoracic dose of 12Gy and allowed to recover for 250 days...
September 1, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28861425/single-incision-video-assisted-thoracoscopic-evaluation-and-emergent-surgery-for-severe-lung-and-chest-wall-injury-after-thoracic-trauma-in-a-water-park
#6
Julio Sesma, Melodie Alvarez, Francisco Lirio, Carlos Galvez, Maria Galiana, Benno Baschwitz, Francisca Fornes, Sergio Bolufer
Thoracic trauma is a challenging situation with potential severe chest wall and intrathoracic organ injuries. We present a case of emergent surgery in a 23-year-old man with hemorrhagic shock due to massive lung and chest wall injury after thoracic trauma in a water slide. We performed a SI-VATS approach in order to define intrathoracic and chest wall injuries, and once checked the extension of the chest wall injury, we added a middle size thoracotomy just over the affected area in order to stabilize rib fractures with Judet plates, that had caused massive laceration in left lower lobe (LLL) and injured the pericardium causing myocardical tear...
August 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28845077/3d-convolutional-neural-network-for-automatic-detection-of-lung-nodules-in-chest-ct
#7
Sardar Hamidian, Berkman Sahiner, Nicholas Petrick, Aria Pezeshk
Deep convolutional neural networks (CNNs) form the backbone of many state-of-the-art computer vision systems for classification and segmentation of 2D images. The same principles and architectures can be extended to three dimensions to obtain 3D CNNs that are suitable for volumetric data such as CT scans. In this work, we train a 3D CNN for automatic detection of pulmonary nodules in chest CT images using volumes of interest extracted from the LIDC dataset. We then convert the 3D CNN which has a fixed field of view to a 3D fully convolutional network (FCN) which can generate the score map for the entire volume efficiently in a single pass...
2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28839164/cubic-pathology-three-dimensional-imaging-for-pathological-diagnosis
#8
Satoshi Nojima, Etsuo A Susaki, Kyotaro Yoshida, Hiroyoshi Takemoto, Naoto Tsujimura, Shohei Iijima, Ko Takachi, Yujiro Nakahara, Shinichiro Tahara, Kenji Ohshima, Masako Kurashige, Yumiko Hori, Naoki Wada, Jun-Ichiro Ikeda, Atsushi Kumanogoh, Eiichi Morii, Hiroki R Ueda
The examination of hematoxylin and eosin (H&E)-stained tissues on glass slides by conventional light microscopy is the foundation for histopathological diagnosis. However, this conventional method has some limitations in x-y axes due to its relatively narrow range of observation area and in z-axis due to its two-dimensionality. In this study, we applied a CUBIC pipeline, which is the most powerful tissue-clearing and three-dimensional (3D)-imaging technique, to clinical pathology. CUBIC was applicable to 3D imaging of both normal and abnormal patient-derived, human lung and lymph node tissues...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28832074/programmed-death-ligand-1-pd-l1-expression-in-malignant-mesenchymal-tumors
#9
Kemal Kösemehmetoğlu, Ece Özoğul, Berrin Babaoğlu, Gaye Güler Tezel, Gökhan Gedikoğlu
OBJECTIVE: Programmed death ligand 1 (PD-L1) found on tumor cells has recently been reported to have a key role in the development and dissemination of many tumors, such as lung and breast carcinomas. In this study, we retrospectively analyzed PD-L1 expression among different types of sarcomas. MATERIAL AND METHOD: Tissue microarrays of 3-4 mm diameter were composed from paraffin blocks of 222 various sarcomas. Slides prepared from microarrays were stained for PD-L1 antibody (Cell Signaling, E1L3N®) using Leica Bond Autostainer...
2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28777147/ttf-1-positive-metastatic-endometrioid-carcinoma-a-case-report-and-review-of-literature-of-a-potential-diagnostic-pitfall
#10
François Casteillo, Pierre Fournel, Vanessa Da Cruz, Georgia Karpathiou, Claire Boutet, Jean-Philippe Jacquin, Claire Tissot, Vincent Meyer-Bisch, Michel Péoc'h, Fabien Forest
A 75-year-old female patient, nonsmoker was addressed to our institution for a fracture of C5 vertebra with spinal cord compression by a tumor mass invading surrounding soft tissue. She had a previous history of breast ductal carcinoma and endometrioid carcinoma. Biopsy of the tumor mass showed a TTF-1-positive carcinoma. Molecular study showed a E545K mutation of PIK3CA. Lung imaging showed multiple nodules evocative of metastasis rather than a primitive tumor. Reviewing of slides of endometrioid carcinoma showed areas positive for TTF1, and the same E545K mutation was found in endometrial tumor...
August 2, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28744481/visualizing-antimicrobials-in-bacterial-biofilms-three-dimensional-biochemical-imaging-using-tof-sims
#11
Sarah K Davies, Sarah Fearn, Luke P Allsopp, Freya Harrison, Ecaterina Ware, Stephen P Diggle, Alain Filloux, David S McPhail, Jacob G Bundy
Bacterial biofilms are groups of bacteria that exist within a self-produced extracellular matrix, adhering to each other and usually to a surface. They grow on medical equipment and inserts such as catheters and are responsible for many persistent infections throughout the body, as they can have high resistance to many antimicrobials. Pseudomonas aeruginosa is an opportunistic pathogen that can cause both acute and chronic infections and is used as a model for research into biofilms. Direct biochemical methods of imaging of molecules in bacterial biofilms are of high value in gaining a better understanding of the fundamental biology of biofilms and biochemical gradients within them...
July 2017: MSphere
https://www.readbyqxmd.com/read/28730614/synchrotron-tomographic-images-from-human-lung-adenocarcinoma-three-dimensional-reconstruction-and-histologic-correlations
#12
Eunjue Yi, Sung-Mi Han, Ji-Eun Chang, Hong-Tae Kim, Jong-Ki Kim, Seung-Jun Seo, Jin-Haeng Chung, Sanghoon Jheon
High-resolution tomographic images using synchrotron X-rays are expected to provide detailed reflection of microstructures, thereby allowing for the examination of histologic structures without destruction of the specimen. This study aims to evaluate the synchrotron tomographic images of mixed ground-glass opacity excised on 5-mm sections in comparison to pathologic examination. The Institutional Review Board of our institute approved this retrospective study, and written informed consent was obtained from each patient whose lung tissue would be used...
July 21, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28718917/proliferation-of-elastic-fibers-in-idiopathic-pulmonary-fibrosis-a-whole-slide-image-analysis-and-comparison-with-pleuroparenchymal-fibroelastosis
#13
Yoshiaki Kinoshita, Kentaro Watanabe, Hiroshi Ishii, Hisako Kushima, Masaki Fujita, Kazuki Nabeshima
BACKGROUND: We occasionally encounter patients with idiopathic pulmonary fibrosis (IPF) who have similar imaging patterns to pleuroparenchymal fibroelastosis (PPFE) in the upper lung fields but are not diagnosed as PPFE clinically. The clinicopathological features and intrapulmonary distribution of elastic fibers and collagen fibers in these patients have not been fully elucidated. METHODS: We retrospectively reviewed the medical records of patients with a clinical diagnosis of IPF and selected the consecutive patients who received autopsy or pneumonectomy for lung transplantation...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28681665/stimulatory-effects-of-curcumin-and-quercetin-on-posttranslational-modifications-of-p53-during-lung-carcinogenesis
#14
P Zhang, Xy Zhang
Lung cancer is responsible for increase in mortality due to cancer-related deaths, and new approaches are being explored for the betterment of the situation. In the present study, chemopreventive efficacy of curcumin and quercetin was investigated against benzo(a)pyrene (BP)-induced lung carcinogenesis. The mice were segregated into five groups, which included normal control, BP-treated, BP + curcumin-treated, BP + quercetin-treated, and BP + curcumin + quercetin-treated groups. The morphological and histological analyses of tumor nodules confirmed lung carcinogenesis22 weeks after weeks single intraperitoneal injection of BP at a dose of 100 mg/kg body weight to mice...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28669561/effects-of-icariin-on-asthma-mouse-model-are-associated-with-regulation-of-prostaglandin-d2-level
#15
J Qiao, S Sun, L Yuan, J Wang
BACKGROUND: We aimed to observe the effect of icariin on an asthma mouse model and explore the potential underlying mechanisms. METHODS: The asthma mouse model was established by ovalbumin (OVA) sensitisation and respiratory syncytial virus (RSV) infection and then treated with icariin. Airway resistance was assessed by whole body plethysmograph. In addition, pathological slides were stained with haematoxylin-eosin, and the peribronchial inflammation was observed microscopically...
June 29, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28657157/cyberknife-with-integrated-ct-on-rails-system-description-and-first-clinical-application-for-pancreas-sbrt
#16
Chrysi Papalazarou, Gijsbert J Klop, Maaike T W Milder, Johannes P A Marijnissen, Vikas Gupta, Ben J M Heijmen, Joost J M E Nuyttens, Mischa S Hoogeman
PURPOSE: This article reports on the integration of a sliding-gantry CT-on-rails with a robotic linear accelerator. METHODS: The system consists of a SOMATOM Definition AS CT scanner (Siemens Healthcare, Forchheim, Germany) and a CyberKnife M6 FIM (Accuray, Inc., Sunnyvale, CA, USA). Additional movement programs were implemented in the robotic treatment table (RoboCouch, Accuray Inc.) to move between CT and treatment position. Acceptance testing was performed on the CT scanner according to AAPM83 guidelines, as well as safety tests for collision avoidance and electromagnetic (EM) compatibility...
June 28, 2017: Medical Physics
https://www.readbyqxmd.com/read/28643736/the-pitfalls-in-cytology-diagnosis-of-poorly-differentiated-neuroendocrine-carcinoma-of-lung-and-their-treatment-response
#17
Debarshi Saha, Ankit Kumar, Sourjya Banerjee, M Nirupama, H B Sridevi, Priya Garg, Flora D Lobo
CONTEXT: Lung is the most common site of small cell carcinoma (SCLC) - a poorly differentiated neuroendocrine carcinoma (PDNEC). SCLC comprises 15-20% of the invasive cancers of the lung. AIM: This study was conducted to appraise the accuracy and pitfalls of the diagnosis of PDNEC on cytology along with treatment responses if available. SETTINGS AND DESIGN: Retrospective study for 2 years yielded 21 cases on cytology. SUBJECTS AND METHODS: Slides of fine-needle aspiration of lymph nodes, the tumor, bronchial brush, and bronchoalveolar lavage specimens were used...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28631533/u-can-a-prospective-longitudinal-collection-of-biomaterials-and-clinical-information-from-adult-cancer-patients-in-sweden
#18
Bengt Glimelius, Beatrice Melin, Gunilla Enblad, Irina Alafuzoff, Anna Beskow, Håkan Ahlström, Anna Bill-Axelson, Helgi Birgisson, Ove Björ, Per-Henrik Edqvist, Tony Hansson, Thomas Helleday, Per Hellman, Kerstin Henriksson, Göran Hesselager, Magnus Hultdin, Michael Häggman, Martin Höglund, Håkan Jonsson, Chatarina Larsson, Henrik Lindman, Ingrid Ljuslinder, Stephanie Mindus, Peter Nygren, Fredrik Pontén, Katrine Riklund, Richard Rosenquist, Fredrik Sandin, Jochen M Schwenk, Roger Stenling, Karin Stålberg, Peter Stålberg, Christer Sundström, Camilla Thellenberg Karlsson, Bengt Westermark, Anders Bergh, Lena Claesson-Welsh, Richard Palmqvist, Tobias Sjöblom
BACKGROUND: Progress in cancer biomarker discovery is dependent on access to high-quality biological materials and high-resolution clinical data from the same cases. To overcome current limitations, a systematic prospective longitudinal sampling of multidisciplinary clinical data, blood and tissue from cancer patients was therefore initiated in 2010 by Uppsala and Umeå Universities and involving their corresponding University Hospitals, which are referral centers for one third of the Swedish population...
June 20, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28622180/a-prospective-study-of-loose-tissue-fragments-in-non-small-cell-lung-cancer-resection-specimens-an-alternative-view-to-spread-through-air-spaces
#19
MULTICENTER STUDY
Hans Blaauwgeers, Douglas Flieder, Arne Warth, Alexander Harms, Kim Monkhorst, Birgit Witte, Erik Thunnissen
The World Health Organization Classification of Lung Tumors considers "Spread Through Air Spaces" a form of invasion in lung adenocarcinoma. The recently described spread of free-floating cell clusters during lung specimen sectioning, otherwise known as "Spread Through A Knife Surface," represents an ex vivo artifact. The purpose of this study was to prospectively investigate the presence and frequency of these free-floating tumor cell clusters in surgically resected lung cancer specimens and their possible relation to gross examination procedures...
September 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28622179/paucicellular-fibrointimal-proliferation-characterizes-pediatric-pulmonary-vein-stenosis-clinicopathologic-analysis-of-213-samples-from-97-patients
#20
Alexandra E Kovach, Philip M Magcalas, Christina Ireland, Kerry McEnany, Andre M Oliveira, Mark W Kieran, Christopher W Baird, Kathy Jenkins, Sara O Vargas
Pulmonary vein stenosis (PVS) is a luminal narrowing of extrapulmonary pulmonary veins. In pediatric patients, it arises following repair of congenital heart disease, particularly anomalous pulmonary venous return; in lung disease, especially prematurity; and rarely in isolation. The etiology is unknown and the course often fatal without lung transplantation. We hypothesized that systematic clinicopathologic review of pediatric PVS could provide further pathogenic insight. We included patients who underwent first resection of pulmonary venous tissue for symptomatic PVS at our pediatric referral center from 1995 to 2014...
September 2017: American Journal of Surgical Pathology
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