Table 2.
Surgical results and postoperative complications in the 102 patients who underwent transsphenoidal endoscopic surgery for pituitary adenomas in Knosp Grade 4.
| Variable | Value |
|---|---|
| Extent of resection | |
| GTR (%) | 72 (70.6) |
| STR (%) | 18 (17.6) |
| PTR (%) | 12 (11.8) |
| Extent of CS resection | |
| GTR (%) | 82 (80.4) |
| STR (%) | 17 (17.6) |
| PTR (%) | 3 (2.0) |
| Intraoprative variables | |
| Mean operation time (min) | 158.5 |
| Mean intraoperative hemorrhage (ml) | 456.7 |
| Firm consistency (%) | 31 (30.4) |
| ICA rupture (%) | 2 (2.0) |
| CSF leakage (%) | 11 (10.8) |
| Postoperative variables | |
| Headache | 33 |
| Better (%) | 22 (66.7) |
| No change (%) | 11 (33.3) |
| Visual dysfunction | 38 |
| Better (%) | 28 (73.7) |
| No change (%) | 10 (26.3) |
| Hormone remission | 40 |
| Yes (%) | 29 (72.5) |
| No (%) | 11 (27.5) |
| Postoperative complications | |
| abducens nerve palsy (%) | 3 (2.9) |
| oculomotor nerve palsy (%) | 4 (3.9) |
| CSF leakage (%) | 6 (5.9) |
| CNS infection (%) | 5 (4.9) |
| Monocular blindness (%) | 2 (2.0) |
| Panhypopituitarism (%) | 3 (2.9) |
| Permanent diabetes insipidus (%) | 2 (2.0) |
| Follow-up treatments | |
| Radiotherapy (%) | 12 (11.8) |
| Medical therapy (%) | 5 (4.9) |
| Recurrence (%) | 6 (5.9) |
GTR, gross total resection; STR, subtotal tumor resection; PTR, partial tumor resection; CS, cavernous sinus; CSF, cerebrospinal fluid; CNS, Central Nervous System; ICA, Internal carotid artery.