Table 2.
Radiological and immunohistochemical characterization of tumors on diagnosis.
| Radiological aspects | Total (%) |
|---|---|
| n = 50 | |
| Tumor size (mm) | 44.7 ± 13.6 |
| Parasellar invasion | 42 (84) |
| Infrasellar invasion | 40 (80) |
| Suprasellar extension | 49 (98) |
| 3rd ventricle extension | 32 (64) |
|
| |
| Immunohistochemistry | Total (%) |
|
| |
| Hormonal expression | |
| GH | 14 (28) |
| PRL | 8 (16) |
| ACTH | 3 (6) |
| LH/FSH | 7 (14) |
| Null cell | 18 (36) |
| p53 | |
| ≥3+ | 29 (60) |
| Ki-67 | |
| ≥2+ | 16 (33) |
| c-erbB2 | |
| ≥2+ | 31 (67) |
|
| |
| Clinicopathological classification | Total (%) |
|
| |
| Grades | |
| 1A | 2 (4) |
| 1B | 1 (2) |
| 2A | 21 (42) |
| 2B | 26 (52) |
Values expressed as mean ± SD or frequency (%).