Table 1.

Somatostatin receptors^a in neuroendocrine gastroenteropancreatic tumors (%).

	SSTR1	SSTR2	SSTR3	SSTR4	SSTR5
All	68	86	46	93	57
Insulinoma	33	100b	33	100	67
Gastrinoma	33	50	17	83	50
Glucagonoma	67	100	67	67	67
VIPoma	100	100	100	100	100
N-F	80	100	40	100	60

IP, vasoactive intestinal polypeptide; N-F, non-functioning.

^aUsing receptor subtype antibodies.

^bMalignant insulinoma.

Modified from Oberg et al. (15).