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https://www.readbyqxmd.com/read/28815070/supracarinal-dissection-of-the-oesophagus-and-lymphadenectomy-by-mie
#1
REVIEW
Harushi Osugi, Kousuke Narumiya, Kenji Kudou
Since 1995, video-assisted thoracoscopic oesophagectomy (VATS), according the same surgical principles as the Japanese open surgery, has been completed in 700 patients with oesophageal cancer. Our indication for VATS is (I) no extensive pleural adhesion; (II) no contiguous tumor spread; (III) pulmonary function capable of sustaining single-lung ventilation, and (IV) non radiated patients. We use 4 ports around a 5 cm mini-thoracotomy on 5th intercostal space. We laid emphasis on utilizing magnifying effect of video (5 to 20 magnifications), obtained by positioning the camera at close vicinity to the dissection...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28815064/endoscopic-diagnosis-and-management-of-early-squamous-cell-carcinoma-of-esophagus
#2
REVIEW
Hon-Chi Yip, Philip Wai-Yan Chiu
In recent years, diagnosis of early squamous cell carcinoma (SCC) of the esophagus has been increasingly emphasized. Utilization of image enhanced technology such as narrow band imaging (NBI) and magnification endoscopy allowed detailed examination of the esophageal mucosa. Different patterns of intrapapillary capillary loops (IPCL) have been proven to accurately diagnose and predict the depth of invasion of the tumors. In addition, the application of endoscopic submucosal dissection (ESD) has enabled safe en bloc resection of esophageal lesions...
July 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28808813/maximized-inter-class-weighted-mean-for-fast-and-accurate-mitosis-cells-detection-in-breast-cancer-histopathology-images
#3
Ramin Nateghi, Habibollah Danyali, Mohammad Sadegh Helfroush
Based on the Nottingham criteria, the number of mitosis cells in histopathological slides is an important factor in diagnosis and grading of breast cancer. For manual grading of mitosis cells, histopathology slides of the tissue are examined by pathologists at 40× magnification for each patient. This task is very difficult and time-consuming even for experts. In this paper, a fully automated method is presented for accurate detection of mitosis cells in histopathology slide images. First a method based on maximum-likelihood is employed for segmentation and extraction of mitosis cell...
August 14, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28808640/light-emitting-diode-assessment-of-dentinal-defects-the-role-of-presumed-extraction-forces
#4
Marcelo Santos Coelho, Steven J Card, Peter Z Tawil
OBJECTIVES: The evaluation of iatrogenic dentinal defects in extracted teeth may be influenced by extraction forces and prolonged dry times. The purpose of this study was to compare the presence of dentinal defects in freshly extracted, periodontally compromised teeth with those in a group of teeth with uncontrolled extraction forces and storage time. MATERIALS AND METHODS: The experimental group consisted of eighteen roots obtained from teeth extracted due to periodontal reasons with class II or III mobility...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28808636/in-vivo-assessment-of-accuracy-of-propex-ii-root-zx-ii-and-radiographic-measurements-for-location-of-the-major-foramen
#5
Fernanda Garcia Tampelini, Marcelo Santos Coelho, Marcos de Azevêdo Rios, Carlos Eduardo Fontana, Daniel Guimarães Pedro Rocha, Sergio Luiz Pinheiro, Carlos Eduardo da Silveira Bueno
OBJECTIVES: The aim of this in vivo study was to assess the accuracy of 2 third-generation electronic apex locators (EALs), Propex II (Dentsply Maillefer) and Root ZX II (J. Morita), and radiographic technique for locating the major foramen (MF). MATERIALS AND METHODS: Thirty-two premolars with single canals that required extraction were included. Following anesthesia, access, and initial canal preparation with size 10 and 15 K-flex files and SX and S1 rotary ProTaper files, the canals were irrigated with 2...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28803176/an-easy-efficient-and-mobile-way-for-training-microsurgical-skills-during-busy-life-of-neurosurgical-residency-and-resource-challenged-environment
#6
Antti Huotarinen, Mika Niemelä, Behnam Rezai Jahromi
BACKGROUND: Residents life is more than hectic, it is hard to find place and time for training basic and advanced microsurgical skills. Surgical instruments, sutures can be purchased (or loaned from department) but the most expensive and space occupying device is microscope. In developing countries microscopes are used where the need is most; in operation rooms. Furthermore conventional microscope is not portable. For all mentioned reasons availability of microscope for training microsurgery is very limited...
August 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28798920/new-device-to-implement-the-adenoma-detection-rate
#7
REVIEW
Maddalena Zippi, Wandong Hong, Pietro Crispino, Giampiero Traversa
It is well-known that colonoscopy is considered the gold standard for colon cancer prevention. Although performed by experienced endoscopists, the matter remains of polyps missed during this examination. The reasons may include the size, shape and location of the lesions. Many colorectal cancer screening programs have been proposed to increase the adenoma detection rate. The substantial difference between these methods is whether the improvement in vision, particularly the detection of irregularities of the mucosa, is inside the endoscope electronic components (magnification, wide-angle vision, narrow band imaging, flexible spectral imaging colour enhancement, i-Scan) or outside the same, by the use of specific caps (EndoCuff, EndoVision, EndoRings)...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28795984/electrophoto-biomodulation-in-aesthetic-treatment-of-postburn-hypopigmentation-clinical-response-in-relation-to-histopathological-changes
#8
Nader Elmelegy, Dalia Mohamed Mofreh El Sakka
BACKGROUND: Hypopigmentation is a troublesome often-permanent sequelae after burn injury, particularly in dark races. A number of methods have been described to treat this phenomenon. In this work, we are going to study the effect of E light (intensive pulsed light+radiofrequency+cooling) in repigmentation of partial thickness and full thickness burn wounds in adult patients and light microscopic changes of biopsy material at various stages of repigmentation. PATIENTS AND METHODS: In this study, 24 patients with postburn hypopigmentation were selected and E light was used, using different filters, according to the skin color...
September 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28789685/remote-monitoring-of-cardiorespiratory-signals-from-a-hovering-unmanned-aerial-vehicle
#9
Ali Al-Naji, Asanka G Perera, Javaan Chahl
BACKGROUND: Remote physiological measurement might be very useful for biomedical diagnostics and monitoring. This study presents an efficient method for remotely measuring heart rate and respiratory rate from video captured by a hovering unmanned aerial vehicle (UVA). The proposed method estimates heart rate and respiratory rate based on the acquired signals obtained from video-photoplethysmography that are synchronous with cardiorespiratory activity. METHODS: Since the PPG signal is highly affected by the noise variations (illumination variations, subject's motions and camera movement), we have used advanced signal processing techniques, including complete ensemble empirical mode decomposition with adaptive noise (CEEMDAN) and canonical correlation analysis (CCA) to remove noise under these assumptions...
August 8, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28783326/tracking-dietary-sources-of-short-and-medium-chain-chlorinated-paraffins-in-marine-mammals-through-a-subtropical-marine-food-web
#10
Lixi Zeng, James C W Lam, Hui Chen, Bibai Du, Kenneth M Y Leung, Paul K S Lam
Our previous study revealed an elevated accumulation of short-chain chlorinated paraffins (SCCPs) and medium-chain chlorinated paraffins (MCCPs) in marine mammals from Hong Kong waters in the South China Sea. To examine the bioaccumulation potential and biomagnification in these apex predators, we sampled the dietary items of marine mammals and tracked the sources of SCCPs and MCCPs through a marine food web in this region. Sixteen fish species, seven crustacean species, and four mollusk species were collected, and the main prey species were identified for two species of marine mammals...
August 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28782747/laparoscopic-surgery-for-solitary-insulinoma-in-the-absence-of-ious
#11
Abhay Narendra Dalvi, Mahadeo Namdeo Garale, Yogesh Prabhakar Takalkar, Sameer Ashok Rege, Pinky Manoharlal Thapar, Lila Anurag, Nalini Samir Shah
BACKGROUND: Insulinomas are the most common pancreatic neuroendocrine neoplasms. In spite of adequate pre-operative localisation, conventional surgical methods rely on intraoperative palpation. Intraoperative ultrasonography (IOUS) is said to aid in accurate localisation, decreases morbidity. Laparoscopic removal of pancreatic endocrine neoplasms is beneficial due to magnification and minimal invasion; however, in the absence of IOUS, error of judgement may lead to conversion to open surgery, thereby relying on 'palpation method' to localise the tumour...
August 1, 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28772204/automated-patterning-and-probing-with-multiple-nanoscale-tools-for-single-cell-analysis
#12
Jiayao Li, Yeonuk Kim, Boyin Liu, Ruwen Qin, Jian Li, Jing Fu
The nano-manipulation approach that combines Focused Ion Beam (FIB) milling and various imaging and probing techniques enables researchers to investigate the cellular structures in three dimensions. Such fusion approach, however, requires extensive effort on locating and examining randomly-distributed targets due to limited Field of View (FOV) when high magnification is desired. In the present study, we present the development that automates 'pattern and probe' particularly for single-cell analysis, achieved by computer aided tools including feature recognition and geometric planning algorithms...
July 31, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28771982/original-article-platelet-rich-plasma-with-microneedling-in-androgenetic-alopecia-along-with-dermoscopic-pre-and-post-treatment-evaluation
#13
Abhijeet Kumar Jha, Uday Kumar Udayan, Prasoon Kumar Roy, Amar Kant Jha Amar, R K P Chaudhary
BACKGROUND: Platelet-rich plasma has shown beneficial effects in the treatment of androgenic alopecia with its growth factor properties in accelerating the dermal papilla. Dermoscopy is a noninvasive method that allows the in vivo evaluation of microstructures not visible to the naked eye. OBJECTIVE: To ascertain the role of platelet-rich plasma (PRP) with microneedling, and to compare the pre- and post-treatment dermoscopic features in androgenetic alopecia. (AGA)...
August 3, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28771376/slant-perception-under-stereomicroscopy
#14
Samantha Horvath, Kori Macdonald, John Galeotti, Roberta L Klatzky
Objective These studies used threshold and slant-matching tasks to assess and quantitatively measure human perception of 3-D planar images viewed through a stereomicroscope. The results are intended for use in developing augmented-reality surgical aids. Background Substantial research demonstrates that slant perception is performed with high accuracy from monocular and binocular cues, but less research concerns the effects of magnification. Viewing through a microscope affects the utility of monocular and stereo slant cues, but its impact is as yet unknown...
August 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28770164/use-of-elevator-instruments-when-luxating-and-extracting-teeth-in-dentistry-clinical-techniques
#15
John Mamoun
In dentistry, elevator instruments are used to luxate teeth, and this technique imparts forces to tooth particles that sever the periodontal ligament around tooth roots inside the socket and expand alveolar bone around tooth particles. These effects can result in extraction of the tooth particles or facilitate systematic forceps extraction of the tooth particles. This article presents basic oral surgery techniques for applying elevators to luxate teeth. Determination of the optimal luxation technique requires understanding of the functions of the straight elevator and the Cryer elevator, the concept of purchase points, how the design elements of elevator working ends and tips influence the functionality of an elevator, application of forces to tooth particles, sectioning teeth at furcations, and bone removal to facilitate luxation...
June 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28767091/heart-rate-detection-using-microsoft-kinect-validation-and-comparison-to-wearable-devices
#16
Ennio Gambi, Angela Agostinelli, Alberto Belli, Laura Burattini, Enea Cippitelli, Sandro Fioretti, Paola Pierleoni, Manola Ricciuti, Agnese Sbrollini, Susanna Spinsante
Contactless detection is one of the new frontiers of technological innovation in the field of healthcare, enabling unobtrusive measurements of biomedical parameters. Compared to conventional methods for Heart Rate (HR) detection that employ expensive and/or uncomfortable devices, such as the Electrocardiograph (ECG) or pulse oximeter, contactless HR detection offers fast and continuous monitoring of heart activities and provides support for clinical analysis without the need for the user to wear a device. This paper presents a validation study for a contactless HR estimation method exploiting RGB (Red, Green, Blue) data from a Microsoft Kinect v2 device...
August 2, 2017: Sensors
https://www.readbyqxmd.com/read/28765670/microleakage-in-class-v-composite-restorations-after-desensitizing-surface-treatment-with-er-yag-and-co2-lasers
#17
Hamid Reza Mozaffari, Alireza Ehteshami, Farshad Zallaghi, Nasim Chiniforush, Zohreh Moradi
Aims: Glutaraldehyde, CO2 and Er:YAG lasers can be used for treatment of dentin hypersensitivity. However, their application may have adverse effects on the clinical service of restorations. This study aimed to assess the microleakage in composite restorations following surface treatment with Glutaraldehyde desensitizer, CO2 and Er:YAG laser irradiation for treatment of dentin hypersensitivity. Materials and methods: This experimental study was conducted on 60 extracted sound human teeth. Class V cavities were prepared measuring 3×3 mm using a diamond bur...
December 30, 2016: Laser Therapy
https://www.readbyqxmd.com/read/28763491/endoscopic-features-of-lymphoid-follicles-using-blue-laser-imaging-bli-endoscopy-in-the-colorectum-and-its-association-with-chronic-bowel-symptoms
#18
Tomomitsu Tahara, Kazuya Takahama, Sayumi Tahara, Dai Yoshida, Noriyuki Horiguchi, Tomohiko Kawamura, Masaaki Okubo, Mitsuo Nagasaka, Yoshihito Nakagawa, Makoto Urano, Tomoyuki Shibata, Tetsuya Tuskamoto, Hiro-O Ieda, Makoto Kuroda, Naoki Ohmiya
BACKGROUND/AIM: In the colorectum, lymphoid follicles hyperplasia (LH) is sometimes observed as small, round, yellowish-white nodules. The novel image-enhanced endoscopy system named blue laser imaging (BLI) provides enhanced the contrast of surface vessels using lasers for light illumination. We investigated the endoscopic features of LH observed by using BLI endoscopy and its association with chronic bowel symptoms. PATIENTS/METHODS: 300 participants undergoing colonoscopy for various indications were enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28763335/validation-of-digital-pathology-for-primary-histopathological-diagnosis-of-routine-inflammatory-dermatopathology-cases
#19
Jonathan J Lee, Jaroslaw Jedrych, Liron Pantanowitz, Jonhan Ho
BACKGROUND: Digital pathology (DP) systems have been validated for routine, histopathological diagnosis by several investigators. The diagnostic matter in previous studies is composed mostly of neoplasms. However, in dermatopathology, inflammatory diseases constitute a greater proportion of cases and have been under-represented in this literature. Herein, we report the results of a prospective, DP side-by-side validation study comparing the histologic assessment of routine, clinical inflammatory dermatopathology cases by whole slide imaging (WSI) and traditional light microscopy (LM)...
July 28, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28762145/modeling-of-cr-contamination-in-the-agricultural-lands-of-three-villages-near-the-leather-industry-in-kasur-pakistan-using-statistical-and-gis-techniques
#20
Muhammad Shafiq, Tahira Shaukat, Aisha Nazir, Firdaus-E- Bareen
Kasur is one of the hubs of leather industry in the Punjab, Pakistan, where chrome tanning method of leather processing is extensively being used. Chromium (Cr) accumulation levels in the irrigation water, soil, and seasonal vegetables were studied in three villages located in the vicinity of wastewater treatment plant and solid waste dumping site operated by the Kasur Tanneries Waste Management Agency (KTWMA). The data was interpreted using analysis of variance (ANOVA), clustering analysis (CA), and principal component analysis (PCA)...
August 2017: Environmental Monitoring and Assessment
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