Endoscopic ultrasound: It’s accuracy in evaluating mediastinal lymphadenopathy? A meta-analysis and systematic review

To evaluate the accuracy of endoscopic ultrasound (EUS), EUS-fine needle aspiration (FNA) in evaluating mediastinal lymphadenopathy.Only EUS and EUS-FNA studies confirmed by surgery or with appropriate follow-up were selected. Articles were searched in Medline, Pubmed, and Cochrane control trial registry. Only studies from which a 2 multiply 2 table could be constructed for true positive, false negative, false positive and true negative values...