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KMID : 0359020130460050503
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Korean Journal of Gastrointestinal Endoscopy
2013 Volume.46 No. 5 p.503 ~ p.505
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Procore and Flexible 19 Gauge Needle Can Replace Trucut Biopsy Needle?
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Bang Ji-Young
Varadarajulu Shyam
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Abstract
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Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is routinely performed for establishing tissue diagnosis in patients with gastrointestinal tumors. The concept of delivering chemotherapy based on molecular markers and the ability to establish a reliable diagnosis in lieu of an onsite cytopathologist has fuelled the recent trend in procuring core tissue by means of EUS-guided fine needle biopsy. To overcome the technical limitations induced by the rigidity of the Trucut biopsy needle, a new ProCore needle with reverse bevel technology has been developed. Recent data suggests that the newly developed flexible 19 gauge needle can also procure core tissue and has easy maneuverability when navigating the transduodenal route. Irrespective of the needles being used, the best clinical outcomes can be attained only by practicing evidence-based techniques, procuring adequate quantity of sample for ancillary studies, and processing the specimens appropriately.
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KEYWORD
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Endoscopic ultrasound-guided biopsy, Endoscopic ultrasound-guided fine needle aspiration, Trucut biopsy, ProCore, Flexible 19 G
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