Fig. 2
From: Robotic enucleation for pediatric insulinoma with MEN1 syndrome: a case report and literature review
Surgical and pathology images of the tumor. a-b: Surgical photographs of pancreatic tumor enucleation. c: Gross view of the tumor. d-e: HE and Ki-67 staining, which showed that the pancreatic neuroendocrine tumor was of Grade 2 with a Ki-67 index of 4%. f-h: CgA, Syn, and AE1/AE3 staining were positive, which confirmed that the tumor was derived from neuroendocrine cells. i: Insulin staining was partially positive. j-l: Glucagon, gastrin and somatostatin staining were negetive