Conclusion
Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) has been integral in transforming endoscopic GI practice from just an imaging model to more of an interventional tool. Beginning with the initial reports of EUS-FNA use in 1992, it has been part of a protocol ever since, in diagnosing and staging algorithms for evaluating benign and malignant diseases of the Gl tract (and adjacent organs). EUS-FNA has been seen as a major breakthrough in technology in its ability to provide definitive evidence of a malignancy, by being less subjective and more objective in providing a diagnosis.
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