Fig. 6From: Laparoscopic resection of schwannoma in the hepatoduodenal ligament: a case reportHistopathological findings. a The tumor was mainly composed of spindle cells and hypercellular (Antoni type A) (black arrow) and hypocellular (Antoni type B) (black arrowhead) areas (hematoxylin–eosin stain, original magnification × 400). b Immunohistochemical investigations revealed that the tumor was strongly positive for S-100 proteinBack to article page