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Surg."],"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>Endoscopic ultrasound-guided fine-needle aspiration\/biopsy (EUS-FNA\/FNB) is an accurate technique for sampling the pancreas and mediastinum. The aim of this study was to determine the value of EUS-FNA\/FNB in the diagnosis of mediastinal lesions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data from 107 patients who underwent EUS-FNA\/FNB for mediastinal lesions were evaluated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The sensitivity, specificity, positive predictive value, and negative predictive value of EUS-FNA\/FNB for mediastinal lesions were 92.00%, 100%, 100%, and 85%, respectively. The sensitivity, specificity, positive predictive value, and negative predictive value of EUS-FNA for malignant mediastinal lesions were 92.00%, 100%, 100%, and 86.00%, respectively. The sensitivity, specificity, positive predictive value, and negative predictive value of EUS-FNB for malignant mediastinal lesions were 92.00%, 100%, 100%, and 82.00%, respectively. Except for the discomfort caused by conventional gastroscopy, none of the patients had any complications, such as damage to surrounding large blood vessels or nerves.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>EUS-FNA\/FNB is an effective tool for diagnosing unknown mediastinal lesions, without any obvious complications.<\/jats:p><\/jats:sec>","DOI":"10.3389\/fsurg.2022.1065070","type":"journal-article","created":{"date-parts":[[2023,1,6]],"date-time":"2023-01-06T10:33:13Z","timestamp":1673001193000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["The role of endoscopic ultrasound-guided fine-needle aspiration\/biopsy in the diagnosis of mediastinal 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