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computer assisted diagnosis

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https://www.readbyqxmd.com/read/28636784/audio-computer-assisted-survey-interview-and-patient-navigation-to-increase-chronic-viral-hepatitis-diagnosis-and-linkage-to-care-in-urban-health-clinics
#1
A N de la Torre, I Castaneda, M Ahmad, N Ekholy, N Tham, I B Herrera, P Beaty, R J Malapero, Farhan Ayoub, J Slim, M B Johnson
Intravenous drug use and sexual practices account for 60% of hepatitis C (HCV) and B (HBV) infection. Disclosing these activities can be embarrassing, reduce risk reporting, blood testing and diagnosis. In diagnosed patients, linkage to care remains a challenge. Audio-computer assisted survey interview (Audio-CASI) was used to guide HCV and HBV infection testing in urban clinics. Risk reporting, blood-testing, and serology results were compared to historical controls. A Patient Navigator (PN) followed up blood test results and provided patients with positive serology linkage to care...
June 21, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28634041/a-machine-learning-algorithm-toward-color-analysis-for-chronic-liver-disease-classification-employing-ultrasound-shear-wave-elastography
#2
Ilias Gatos, Stavros Tsantis, Stavros Spiliopoulos, Dimitris Karnabatidis, Ioannis Theotokas, Pavlos Zoumpoulis, Thanasis Loupas, John D Hazle, George C Kagadis
The purpose of the present study was to employ a computer-aided diagnosis system that classifies chronic liver disease (CLD) using ultrasound shear wave elastography (SWE) imaging, with a stiffness value-clustering and machine-learning algorithm. A clinical data set of 126 patients (56 healthy controls, 70 with CLD) was analyzed. First, an RGB-to-stiffness inverse mapping technique was employed. A five-cluster segmentation was then performed associating corresponding different-color regions with certain stiffness value ranges acquired from the SWE manufacturer-provided color bar...
June 17, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28631633/significance-of-vascular-endothelial-growth-factor-and-cd31-and-morphometric-analysis-of-microvessel-density-by-cd31-receptor-expression-as-an-adjuvant-tool-in-diagnosis-of-psoriatic-lesions-of-skin
#3
Nitika Chawla, Sant Prakash Kataria, Kamal Aggarwal, Pardeep Chauhan, Dinesh Kumar
BACKGROUND: Pathogenesis of psoriasis is a debated issue. Several mechanisms have been proposed to identify the etiology and pathogenesis so that specific treatments can be given to patients with psoriasis. AIMS: (1) To compare pattern and distribution of vascular endothelial growth factor (VEGF) and CD31 in patients with psoriasis and other psoriasiform lesions of skin. (2) To study the correlation between VEGF and CD31 expression, clinical severity, and histopathology of psoriasiform lesions of skin...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631079/development-of-pancreatic-cancer-is-predictable-well-in-advance-using-contrast-enhanced-ct-a-case-cohort-study
#4
Wataru Gonoi, Takana Yamakawa Hayashi, Hidemi Okuma, Masaaki Akahane, Yousuke Nakai, Suguru Mizuno, Ryosuke Tateishi, Hiroyuki Isayama, Kazuhiko Koike, Kuni Ohtomo
OBJECTIVES: To investigate the radiological findings prognostic for the development of pancreatic adenocarcinoma in a cohort of patients with hepatocellular carcinoma, using multiphasic computed tomography (CT). METHODS: A case-cohort study performed in a single university hospital. A database of patients who received hepatocellular carcinoma (HCC) treatment and trimonthly follow-up with four-phase dynamic CT was used (n = 1848). The cohort group was randomly extracted from the database (n = 103)...
June 19, 2017: European Radiology
https://www.readbyqxmd.com/read/28623846/sonocad-a-software-to-solve-the-dilemma-of-the-prenatal-diagnosis-of-fetal-syndromes
#5
Mahmoud Abdelnaby, Abdulmeneam Fawzi, Manal Swelem, Hisham Elgammal, Hamdy Elgammal
OBJECTIVE: The aim of this work is to develop an efficient, user friendly, time saving computer software program specified with prenatal diagnosis, based solely on ultrasound findings provided by the sonographer. MATERIALS AND METHOD: SonoCAD (Sonographyic Computer Assisted Diagnosis) program was developed in 4 phases. Phase I, data gathering phase. Phase II the software development phase in which the source code of the software was developed. Phase III, system testing phase, was divided into 2 steps...
June 17, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28617686/imaging-adult-patients-with-coarctation-of-the-aorta
#6
Akanksha N Thakkar, Ponraj Chinnadurai, C Huie Lin
PURPOSE OF REVIEW: To provide an overview of current recommendations and techniques used to image coarctations of the aorta. RECENT FINDINGS: Imaging of coarctation of the aorta in adults is moving away from conventional techniques such as echocardiography and invasive angiography. Echocardiography may assist in making the diagnosis but is limited in its ability to quantify the severity of coarctations. Current guidelines recommend that every patient with a coarctation must undergo a computed tomography (CT) or MRI scan for accurate delineation of morphology...
June 15, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28615793/classification-of-clinical-significance-of-mri-prostate-findings-using-3d-convolutional-neural-networks
#7
Alireza Mehrtash, Alireza Sedghi, Mohsen Ghafoorian, Mehdi Taghipour, Clare M Tempany, William M Wells, Tina Kapur, Parvin Mousavi, Purang Abolmaesumi, Andriy Fedorov
Prostate cancer (PCa) remains a leading cause of cancer mortality among American men. Multi-parametric magnetic resonance imaging (mpMRI) is widely used to assist with detection of PCa and characterization of its aggressiveness. Computer-aided diagnosis (CADx) of PCa in MRI can be used as clinical decision support system to aid radiologists in interpretation and reporting of mpMRI. We report on the development of a convolution neural network (CNN) model to support CADx in PCa based on the appearance of prostate tissue in mpMRI, conducted as part of the SPIE-AAPM-NCI PROSTATEx challenge...
February 11, 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28615307/the-role-of-high-resolution-computed-tomography-in-the-follow-up-of-diffuse-lung-disease-number-2-in-the-series-radiology-edited-by-nicola-sverzellati-and-sujal-desai
#8
Brett M Elicker, Kimberly G Kallianos, Travis S Henry
High-resolution computed tomography (HRCT) of the lung is a key component of the multidisciplinary approach to diagnosis in diffuse lung disease (DLD). HRCT also plays an important role in the follow-up of patients with established DLD. In this respect, serial HRCT examinations may provide valuable information that cannot be determined from clinical history and other diagnostic tests, such as pulmonary function tests. Important roles of HRCT in this context include assisting in determining prognosis, monitoring for the efficacy of treatment, detecting progression of disease or complications, and evaluating patients with worsening or acute symptoms...
June 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28608920/facial-curvature-detects-and-explicates-ethnic-differences-in-effects-of-prenatal-alcohol-exposure
#9
Michael Suttie, Leah Wetherill, Sandra W Jacobson, Joseph L Jacobson, H Eugene Hoyme, Elizabeth R Sowell, Claire Coles, Jeffrey R Wozniak, Edward P Riley, Kenneth L Jones, Tatiana Foroud, Peter Hammond
BACKGROUND: Our objective is to help clinicians detect the facial effects of prenatal alcohol exposure (PAE) by developing computer based tools for screening facial form. METHODS: All 415 individuals considered were evaluated by expert dysmorphologists and categorized as 1) healthy control (HC), 2) fetal alcohol syndrome (FAS) or 3) heavily prenatally alcohol exposed (HE) but not clinically diagnosable as FAS. 3D facial photographs were used to build models of facial form to support discrimination studies...
June 13, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28595231/-pulmonary-alveolar-proteinosis-observed-in-the-subpleural-area-report-of-a-case
#10
Shin Shomura, Hitoshi Suzuki, Masaki Yada, Chiaki Kondo
A 39-year-old man consulted our hospital because of an abnormal shadow on a chest X-ray without any symptoms. A chest computed tomography revealed patchy peripheral ground-glass attenuation, in the subpleural area. Bronchoalveolar lavage fluid was clear and transbronchial lung biopsy findings were inconclutive. A video-assisted thoracic surgery-biopsy was performed. The specimens demonstrated accumulation of proteinaceous materials within alveolar spaces. The patient was given a diagnosis of pulmonary alveolar proteinosis...
June 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28592331/thyroid-nodule-recognition-in-computed-tomography-using-first-order-statistics
#11
Wenxian Peng, Chenbin Liu, Shunren Xia, Dangdang Shao, Yihong Chen, Rui Liu, Zhiping Zhang
BACKGROUND: Computed tomography (CT) is one of the popular tools for early detection of thyroid nodule. The pixel intensity of thyroid in CT image is very important information to distinguish nodule from normal thyroid tissue. The pixel intensity in normal thyroid tissues is homogeneous and smooth. In the benign or malignant nodules, the pixel intensity is heterogeneous. Several studies have shown that the first order features in ultrasound image can be used as imaging biomarkers in nodule recognition...
June 2, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28560245/assistive-lesion-emphasis-system-an-assistive-system-for-fundus-image-readers
#12
Samrudhdhi B Rangrej, Jayanthi Sivaswamy
Computer-assisted diagnostic (CAD) tools are of interest as they enable efficient decision-making in clinics and the screening of diseases. The traditional approach to CAD algorithm design focuses on the automated detection of abnormalities independent of the end-user, who can be an image reader or an expert. We propose a reader-centric system design wherein a reader's attention is drawn to abnormal regions in a least-obtrusive yet effective manner, using saliency-based emphasis of abnormalities and without altering the appearance of the background tissues...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28554107/manual-laparoscopy-assisted-intraoperative-reduction-for-adult-ileocolic-intussusception-with-ileal-adenoma-a-case-report
#13
Naoki Takahashi, Kiyoshi Narita, Rie Sato, Hideo Suzuki, Hideki Machishi, Yoshikatsu Okada
INTRODUCTION: Adult intussusception is a rare condition with a pathological lead point. Intraoperative reduction of adult intussusception can eliminate the need for extensive or invasive resection. We safely performed a manual laparoscopy-assisted intraoperative reduction that allowed functional preservation of tissue. PRESENTATION OF CASE: A 70-year-old woman with dull right lumbar pain at regular intervals and right lower quadrant abdominal tenderness was admitted to our hospital...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28553582/segmentation-of-white-blood-cells-from-microscopic-images-using-a-novel-combination-of-k-means-clustering-and-modified-watershed-algorithm
#14
Narjes Ghane, Alireza Vard, Ardeshir Talebi, Pardis Nematollahy
Recognition of white blood cells (WBCs) is the first step to diagnose some particular diseases such as acquired immune deficiency syndrome, leukemia, and other blood-related diseases that are usually done by pathologists using an optical microscope. This process is time-consuming, extremely tedious, and expensive and needs experienced experts in this field. Thus, a computer-aided diagnosis system that assists pathologists in the diagnostic process can be so effective. Segmentation of WBCs is usually a first step in developing a computer-aided diagnosis system...
April 2017: Journal of Medical Signals and Sensors
https://www.readbyqxmd.com/read/28552547/spirometry-assisted-high-resolution-chest-computed-tomography-in-children-is-it-worth-the-effort
#15
Jeffrey Parke Otjen, Jonathan Ogden Swanson, Assaf Oron, Robert M DiBlasi, Tim Swortzel, Jade Adriana Marie van Well, Eva Anna Elisabeth Gommers, Margaret Rosenfeld
BACKGROUND: Image quality of high resolution chest computed tomographies (HRCTs) depends on adequate breath holds at end inspiration and end expiration. We hypothesized that implementation of spirometry-assisted breath holds in children undergoing HRCTs would improve image quality over that obtained with voluntary breath holds by decreasing motion artifact and atelectasis. METHODS: This is a retrospective case-control study of HRCTs obtained at a tertiary care children's hospital before and after implementation of a spirometry-assisted CT protocol, in which children ≥8 years of age are first trained in supine slow vital capacity maneuvers and then repeat the maneuvers in the CT scanner, coached by a respiratory therapist...
April 7, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28552126/hue-texture-embedded-region-based-model-for-magnifying-endoscopy-with-narrow-band-imaging-image-segmentation-based-on-visual-features
#16
Xiaoqi Liu, Chengliang Wang, Jianying Bai, Guobin Liao, Yanjun Zhao
BACKGROUND AND OBJECTIVE: Magnification endoscopy with narrow-band imaging (ME-NBI) has become a feasible tool for detecting diseases within the human gastrointestinal tract, and is more applied by physicians to search for pathological abnormalities with gastric cancer such as precancerous lesions, early gastric cancer and advanced cancer. In order to improve the reliability of diseases detection, there is a need for applying or proposing computer-assisted methodologies to efficiently analyze and process ME-NBI images...
July 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28542177/mycophenolate-mofetil-for-scleroderma-related-interstitial-lung-disease-a-real-world-experience
#17
Misbah Baqir, Ashima Makol, Thomas G Osborn, Brian J Bartholmai, Jay H Ryu
BACKGROUND AND OBJECTIVE: Interstitial lung disease (ILD) remains the number one cause of mortality in scleroderma (SSc). Our goal was to determine the effectiveness of mycophenolate mofetil (MMF) in treating SSc-ILD in a retrospective study. METHODS: A retrospective, computer-assisted search was performed to identify patients with SSc-ILD treated with MMF from 1997 through 2014. We used a novel software tool, Computer-Aided Lung Informatics for Pathology Evaluation and Rating (CALIPER), to quantify parenchymal lung abnormalities on high-resolution computed tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28540567/-the-significance-of-biofilm-for-the-treatment-of-infections-in-orthopedic-surgery-2017-update
#18
REVIEW
C Scheuermann-Poley, C Wagner, J Hoffmann, A Moter, C Willy
BACKGROUND: The increase in endoprosthetic and osteosynthetic surgical treatment is associated with a simultaneous increase in implant-associated infections (surgical site infections, SSI). Biofilms appear to play a significant role in the diagnosis and treatment of these infections and heavily contaminated wounds. This article aims to provide a current overview of biofilm and its relevance in orthopedic surgery. MATERIALS AND METHODS: A computer-assisted literature search of MedLine (PubMed) was performed using key word combinations with "biofilm" (as of March 2017)...
June 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28540253/craniocervical-junction-abnormalities-with-atlantoaxial-subluxation-caused-by-ventral-subluxation-of-c2-in-a-dog
#19
Harumichi Itoh, Kazuhito Itamoto, Shotaro Eto, Tomoya Haraguchi, Shimpei Nishikawa, Kenji Tani, Yoshiki Itoh, Masato Hiyama, Toshie Iseri, Munekazu Nakaichi, Yasuho Taura
Craniocervical junction abnormalities with atlantoaxial subluxation caused by ventral subluxation of C2 were diagnosed in a 6-month-old female Pomeranian with tetraplegia as a clinical sign. Lateral survey radiography of the neck with flexion revealed atlantoaxial subluxation with ventral subluxation of C2. Computed tomography revealed absence of dens and atlanto-occipital overlapping. Magnetic resonance imaging showed compression of the spinal cord and indentation of caudal cerebellum. The diagnosis was Chiari-like malformation, atlantoaxial subluxation with ventral displacement of C2, atlanto-occipital overlapping, and syringomyelia...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28535331/computer-and-mobile-technology-interventions-for-self-management-in-chronic-obstructive-pulmonary-disease
#20
REVIEW
Catherine McCabe, Margaret McCann, Anne Marie Brady
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is characterised by airflow obstruction due to an abnormal inflammatory response of the lungs to noxious particles or gases, for example, cigarette smoke. The pattern of care for people with moderate to very severe COPD often involves regular lengthy hospital admissions, which result in high healthcare costs and an undesirable effect on quality of life. Research over the past decade has focused on innovative methods for developing enabling and assistive technologies that facilitate patient self-management...
May 23, 2017: Cochrane Database of Systematic Reviews
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