| Number of patients (n) | ||
| Sex | Men | 49 |
| Women | 39 | |
| Mean age | 54.53 yrs ± 3.01 yrs | |
| Histological type of the tumor | Gonadotrophic | 72 |
| Prolactinoma | 4 | |
| Corticotrophic | 7 | |
| Multi | 3 | |
| Somatotrophic | 1 | |
| Thyreotrophic | 1 | |
| Extrasellar extension | Suprasellar component | 77 Yes/8 No |
| Laterosellar component | 5 Yes/80 No | |
| Inferior extension | 14 Yes/71 No | |
| Onset of the visual acuity impairment | Acute (pituitary apoplexy) | 4 |
| Rapid | 28 | |
| Progressive | 41 | |
| Number of surgical interventions | One | 88 |
| Two | 14 | |
| More than two | 1 | |
| Radiotherapy or radiosurgery | 2 |