title: Transportal blood sampling for preoperative localization of insulinomas.
mesh_terms: D007516:Adenoma, Islet Cell / Q000175:diagnosis*; D000328:Adult; D000368:Aged; D002404:Catheterization; D005260:Female; D006801:Humans; D007328:Insulin / Q000097:blood*; D007340:Insulinoma / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010179:Pancreas / Q000098:blood supply; D010190:Pancreatic Neoplasms / Q000175:diagnosis*; D011169:Portal Vein; D011300:Preoperative Care
chemical_list: D007328:Insulin