生长抑素作用于分泌生长抑素受体的肿瘤，具有抑制其分泌作用而减少肿瘤的分泌亢进和直接抗增生效应。取奥曲状（octreotide）司类物标记~（111）铟作闪烁扫描可定位原位性和转移性胰腺内分泌肿瘤。作者在24例胃肠胰肿瘤（GEP）作了此检查，计男13例，女11例，平均年龄56岁（29～71岁）。此24例GEP肿瘤经生化诊断14例，生化和组织学诊断5 Somatostatin acts on tumors that secrete somatostatin receptors, inhibiting their secretion and reducing tumor hypersecretion and direct antiproliferative effects. The octreotide divisions labeled with indium (111) indole for scintigraphy can localize in situ and metastatic pancreatic endocrine tumors. The authors performed this examination in 24 cases of gastrointestinal pancreatic neoplasia (GEP), including 13 males and 11 females with an average age of 56 years (29 to 71 years). This biopsy diagnosis of 24 GEP tumors was performed in 14 cases. Biochemical and histological diagnosis was performed in 5 cases.