Fig. 3From: A case of acinar cell carcinoma originating from the accessory papilla of the duodenumHistopathological and immunohistochemical examinations of biopsies. A Hematoxylin and eosin stain (× 10). Neoplastic cells exhibited round nuclei and granular cytoplasm, with focal small gland-like structures. B Synaptophysin negative, C Chromogranin A negative, D Trypsin positive, E BCL10 focal positive, F Ki-67 index 80%Back to article page