Table 1. Surgical Results in Comparison with Other Studies.

MRI no residual tumor	Zada27 n = 112	Jho24 n = 50	Cappabianca19 n = 146	Our data n = 192
All zero cell adenomas	70%	84%	56%	88%
• noninvasive	95%	100%	-	91%
• invasive and giant	33-40%	0/3	-	0%
Prolactinomas	45%	-	77%	89%
Cushing adenoma	60%	75%	77%	50%
GH adenoma	60%	-	64%	85%
Rathke cleft cyst	80%	-	-	83%

Abbreviation: GH, growth hormone producing adenomas.

Note: Studies with endoscopic technique are marked in gray.