Table 1.

Tumors tested with sst2A immunohistochemistry and in vitro ¹²⁵I-[Tyr³]-octreotide autoradiography

Gastrointestinal neuroendocrine tumors*
Pancreas	2 non-functioning neuroendocrine tumors
	17 non-functioning well differentiated neuroendocrine carcinomas
	11 insulin-producing neuroendocrine tumors
	1 insulin-producing well differentiated neuroendocrine carcinoma
	1 glucagon-producing well differentiated neuroendocrine carcinoma
	1 serotonin-producing neuroendocrine tumor
	1 somatostatin-producing well differentiated neuroendocrine carcinoma
Extrahepatic bile duct	1 well differentiated neuroendocrine carcinoma
Gall bladder	1 well differentiated neuroendocrine carcinoma
Liver	1 well differentiated neuroendocrine carcinoma
Stomach	1 well differentiated neuroendocrine carcinoma
Ileum	10 well differentiated neuroendocrine carcinomas
Vermiform appendix	1 well differentiated neuroendocrine carcinoma
Sigmoid colon	1 well differentiated neuroendocrine carcinoma
Extra-gastrointestinal neuroendocrine tumors
Adrenal gland	5 pheochromocytomas
	1 ganglioneuroblastoma
Extraadrenal paraganglia	2 retroperitoneal paragangliomas
	1 mediastinal ganglioneuroblastoma
Mesentery	1 well differentiated neuroendocrine carcinoma
Lung	10 typical carcinoid tumors
Thymus	1 carcinoid tumor
Non-neuroendocrine tumors	4 meningiomas
	14 breast carcinomas

^*Classification of retrospectively analyzed neuroendocrine tumors according to WHO 2004