Resection of the uncinate process of the pancreas due to a ganglioneuroma

Figure 6 Representative immunocytochemistry samples of the typical ganglioneuroma (× 20). A: S100 protein stain showing mostly Schwann cells and ganglion cells; B, C: Epithelial membrane antigen (EMA) and neurofilament (NF) stain showing the nerve fibers, highlighting the perineural cells and the axons of the nerve fibers; D: Ganglion cells are positive for neuronal-specific enolase (NSE).