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Role of endoscopic ultrasound guided fine needle aspiration/biopsy in the evaluation of intra-abdominal lymphadenopathy due to tuberculosis

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World Journal of Gastrointestinal Endoscopy 2021年第12期13卷 649-658页

作者： Harshavardhan Rao B priya nair S Krishna priya Archana George Vallonthaiel Dipu T Sathyapalan Anoop K Koshy Rama P Venu Department of Gastroenterology Amrita Institute of Medical SciencesKochi 682041KeralaIndia Department of Pathology Amrita Institute of Medical SciencesKochi 682041KeralaIndia Department of Internal Medicine Amrita Institute of Medical Sciences and Research CentreKochi 682041KeralaIndia

BACKGROUND Intra-abdominal lymphadenopathy due to tuberculosis(TB)poses a diagnostic challenge due to difficulty in tissue *** endoscopic ultrasound guided fine needle aspiration/biopsy(EUS-FNA/B)has shown promise in the evaluation of mediastinal lymph nodes,its role in the evaluation of intra-abdominal lymphadenopathy is not *** To assess the role of EUS-FNA/B in the evaluation of intra-abdominal lymphadenopathy due to *** This was a retrospective study where patients with intra-abdominal lymphadenopathy who underwent evaluation with EUS-FNA/B were *** was diagnosed if the patient had any one of the following:(1)Positive acid fast bacilli(AFB)stain/TB GeneXpert/TB-polymerase chain reaction/AFB culture of tissue sample;and(2)Positive Mantoux test and response to anti-tubercular ***-FNA reports,clinical reports and imaging characteristics of patients were recorded for a detailed analysis of patients with *** A total of 149 patients underwent an EUS-FNA/B from lymph nodes(mean age 51±17 years,M:F=1.2).Benign inflammatory reactive changes were seen in 45 patients(30.2%),while 54 patients(36.2%)showed granulomatous inflammation with/without *** these,51 patients(94.4%)were confirmed to have TB as per pre-defined *** with TB were more likely to have hypoechoic and matted nodes[40 patients(67.7%)].EUS-FNA/B was found to have a sensitivity and specificity of 86%and 93%respectively,with a diagnostic accuracy of 88%in the evaluation of intra-abdominal lymphadenopathy due to *** EUS-FNA/B has a high diagnostic yield with a good sensitivity and specificity in the evaluation of intra-abdominal lymphadenopathy due to ***,the validity of these findings in populations with low prevalence of TB needs further evaluation.

关键词： Endoscopic ultrasound Lymph nodes Tuberculosis Mesenteric Intraabdominal

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Artificial intelligence in endoscopy: More than what meets the eye in screening colonoscopy and endosonographic evaluation of pancreatic lesions

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Artificial Intelligence in Gastrointestinal Endoscopy 2022年第3期3卷 16-30页

作者： Harshavardhan Rao B Judy A Trieu priya nair Gilad Gressel Mukund Venu Rama P Venu Department of Gastroenterology Amrita Institute of Medical SciencesKochi 682041KeralaIndia Internal Medicine-Gastroenterology Loyola University Medical CenterMaywoodIL 60153United States Center for Cyber Security Systems and Networks Amrita VishwavidyapeethamKollam 690546KeralaIndia

Artificial intelligence(AI)-based tools have ushered in a new era of innovation in the field of gastrointestinal(GI)*** vast improvements in endoscopic techniques and equipment,diagnostic endoscopy remains heavily operator-dependent,in particular,colonoscopy and endoscopic ultrasound(EUS).Recent reports have shown that as much as 25%of colonic adenomas may be missed at *** can result in an increased incidence of interval colon ***,EUS has been shown to have high inter-observer variability,overlap in diagnoses with a relatively low specificity for pancreatic *** understanding of Machine-learning(ML)techniques in AI have evolved over the last decade and its application in AI–based tools for endoscopic detection and diagnosis is being actively investigated at several *** is an aspect of AI that is based on neural networks,and is widely used for image classification,object detection,and semantic segmentation which are key functional aspects of AI-related computer aided diagnostic *** this review,current status and limitations of ML,specifically for adenoma detection and endosonographic diagnosis of pancreatic lesions,will be summarized from existing *** will help to better understand its role as viewed through the prism of real world application in the field of GI endoscopy.

关键词： Artificial intelligence Artificial Machine Colonoscopy Polyp Endosonography Pancreas

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