Usefulness of computed tomography during arteriography in a selective arterial calcium agent injection test for pancreatic gastrinoma: a case description

Pancreatic gastrinoma is a rare pancreatic neuroendocrine tumor with an incidence of about 0.5–21.5 cases per million people worldwide. The most common sites are the duodenum (75%), pancreas (20%), and other organs (5%). Gastrinomas are malignant in about 60–90% of cases (1-5). Malignant gastrinomas originating beneath the duodenal mucosa often metastasize to the liver, even if the tumor diameter is ≤1 cm. Therefore, in patients with gastrinoma...