Table 5.
Expression differences between primary and secondary pituitary adenomas.
| Primary PA mean (n) | Recurrent PA mean (n) | p value | |
|---|---|---|---|
| Corticotroph | |||
| SSTR1 | 1.46 (62) | 3.03 (17) | 0.0351∗ |
| SSTR2A | 3.77 (63) | 3.54 (17) | 0.6985 |
| SSTR3 | 2.78 (63) | 3.43 (16) | 0.3674 |
| SSTR4 | 0.71 (65) | 1.67 (16) | 0.0174∗ |
| SSTR5 | 7.68 (65) | 4.95 (17) | 0.0370∗ |
| PIT-1 positive | |||
| SSTR1 | 2.41 (46) | 3.25 (8) | 0.3047 |
| SSTR2A | 6.93 (44) | 3.69 (8) | 0.0049∗ |
| SSTR3 | 0.58 (46) | 0.13 (8) | 0.0212∗ |
| SSTR4 | 1.20 (46) | 2.81 (8) | 0.0673 |
| SSTR5 | 5.40 (44) | 2.56 (8) | 0.0350∗ |
| Gonadotroph | |||
| SSTR1 | 2.83 (15) | 1.86 (7) | 0.3551 |
| SSTR2A | 1.68 (11) | 3.00 (7) | 0.2130 |
| SSTR3 | 2.04 (13) | 1.86 (7) | 0.8391 |
| SSTR4 | 1.80 (15) | 1.29 (7) | 0.3606 |
| SSTR5 | 0.75 (14) | 1.21 (7) | 0.3232 |
| Nonfunctioning | |||
| SSTR1 | 3.08 (45) | 3.06 (36) | 0.9715 |
| SSTR2A | 2.40 (42) | 3.07 (34) | 0.1853 |
| SSTR3 | 1.61 (42) | 1.20 (36) | 0.2581 |
| SSTR4 | 1.53 (43) | 1.78 (35) | 0.4520 |
| SSTR5 | 0.79 (43) | 1.61 (35) | 0.0162∗ |