Diagnostic Accuracy of FNA: is Aspiration- Related?


NCT01717196

Interventional

N/A

Unknown status
expect fna
BACKGROUND: EUS-FNA has a central role in the diagnostic algorithm of solid pancreatic masses. Different needle diameters and the use of stylet are not associated with differences in terms of diagnostic yield for malignancy. Preliminary studies showed that using suction (10ml) is associated with a higher sensitivity for cancer diagnosis. We aim to compare EUS-FNA in the same solid pancreatic mass performed with the 22 gauge needle with different aspiration volumes (10, 20, 0ml), looking for adequacy, diagnostic accuracy and complications. METHODS: Prospective clinical study at four referral Centers: ISMETT Palermo; Bellaria-Maggiore, Bologna; Civico-A.R.N.A.S, Palermo; Humanitas-IRCCS, Rozzano. EUS was performed by five experienced echo-endoscopist. The needle system was in all cases the 22 gauge EUS-FNA(Expect). We performed three punctures with a 22 G needle with both volume aspiration 10 and 20 cc and without syringe for each lesion. The sequence (10cc, 20cc, no aspiration) was randomly assigned by sealed envelope system. For each pass tissue samples were smeared into slides for ROSE(Rapid-On-Site-Evaluation); after smearing sample into the slides, the material was fixed in formalin for cyto-histological evaluation. The cyto-pathologist was always blinded as to which aspiration was used for which specimen. After EUS-FNA the patients were monitored for at least six hour to detect immediately post-procedural complication and were followed up during the 30 days post-procedure in order to detect late complications.
Oct 31,2012
All
18 Years
80 Years
100

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