Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastrointest Oncol. Nov 15, 2014; 6(11): 420-429
Published online Nov 15, 2014. doi: 10.4251/wjgo.v6.i11.420
Figure 1
Figure 1 The curved linear array videoechoendoscope (GF-UCT180) (Back); The new prototype forward viewing linear array videoechoendoscope (TGF-UC180J) (Front).
Figure 2
Figure 2 Various echoendoscopic needles used for fine needle aspiration.
Figure 3
Figure 3 Curved linear echoendoscope showing a rounded hypoechoic left lobe liver lesion with no well-defined border representing liver metastasis in a
Figure 4
Figure 4 Hyperechoic rounded liver lesion (white arrow) representing a metastasis in patient with pancreatic neuroendocrine tumor with biliary obstruction and dilated intrahepatic duct (A); endoscopic ultrasound-guided fine needle aspiration of liver lesion using 22 gauge needle (B).
Figure 5
Figure 5 Peritoneal deposits in a patient with malignant ascites. Peritoneal implants appear as hypoechoic in comparison to the surrounding tissue but hyperechoic in comparison to the anechoic ascitic fluid (A); endoscopic ultrasound-guided fine needle aspiration of a large peritoneal deposit (B).
Figure 6
Figure 6 Malignant distal biliary strictures are most commonly secondary to pancreatic malignancy and/or distal bile duct cholangiocarcinoma. A: Distal common bile duct stricture secondary to a large heterogenous hypoechoic pancreas head mass with irregular border; B: Endoscopic ultrasound-guided fine needle aspiration of pancreas head mass/stricture; C: Distal irregular common bile duct stricture seen on cholangiogram.