Yolk Sac Tumor : Microcystic
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
Microcystic pattern in a yolk sac tumor. There are interconnecting ribbons and cords of tumor cells enclosing round/irregular extracellular spaces and creating a honeycomb-like meshwork. Microcystic is the most common architectural pattern in yolk sac tumor.