Endoscopic ultrasound guided fine needle tissue acquisition: Where we stand in 2013?

Figure 1 A 25-G needle is used to aspirate a 2 cm pancreatic head mass that does not appear to encase the portal vein (A), adenocarcinoma confirmed on wet smears obtained from the first pass in the case above (B). Papanicolaou stain, × 40.

Figure 2 Flexible 19-G needle. A: 2 cm rectal subepithelial lesion was found to originate from the muscularis propria on endoscopic ultrasound guided and is sampled using a flexible 19-G needle in this figure; B: A core liver biopsy was obtained using a flexible 19-G needle is a patient with elevated transaminases; C: Histopathological assessment of the core biopsy obtained in the case above confirmed steatohepatitis without significant fibrosis. Adequate histopathology sample was obtained and stained positively for CD-117, confirming gastrointestinal stromal tumor; H and E stain, × 2.