Celiac artery bifurcation seen on endoscopic ultrasound (whale's tail sign)
Celiac artery bifurcation seen on endoscopic ultrasound (whale's tail sign)
Top: Radial EUS image showing the celiac artery (CA) bifurcating into the hepatic artery (HA) and the splenic artery (SA), or the so-called "whale's tail" sign. Bottom: Simplification of top image.
Courtesy of Lyndon V. Hernandez, MD and Manoop S. Bhutani, MD.