High Expression of Somatostatin Receptors 2A, 3, and 5 in Corticotroph Pituitary Adenoma

Table 4

Expression rates of SSTR1–5 regarding the ID score cut-off of 6.

		ID score ≥ 6 (%)	Pearson chi square test (ID score ≥ 6)
SSTR1	236	33 (14)	0.2599
Corticotroph	79	7 (9)
PIT-1 positive	54	7 (13)
Gonadotroph	22	3 (14)
Nonfunctioning	81	16 (20)
SSTR2A	226	58 (26)	<.0001
Corticotroph	80	19 (24)
PIT-1 positive	52	33 (63)
Gonadotroph	18	1 (6)
Nonfunctioning	76	5 (7)
SSTR3	232	18 (8)	<.0001
Corticotroph	79	15 (19)
PIT-1 positive	54	0 (0)
Gonadotroph	20	1 (5)
Nonfunctioning	78	2 (3)
SSTR4	235	4 (2)	0.3309
Corticotroph	81	0 (0)
PIT-1 positive	54	2 (4)
Gonadotroph	22	0 (0)
Nonfunctioning	78	2 (3)
SSTR5	233	74 (32)	<.0001
Corticotroph	82	48 (59)
PIT-1 positive	52	25 (48)
Gonadotroph	21	0 (0)
Nonfunctioning	78	1 (1)