Table 1 .

Patient Characteristics

	Trumatic	Hypophysectomy	Brain Stem Tumor	Spontenous	Tumor of Ethmoid	Polyposis
No of patients	21	8	1	5	1	1
Age	28.24 (SD 18.6)	44.5 (SD 14.1)	4	41 (SD 18.4)	44	44
Success
Yes	18 (90)	7 (87.5)	1 (100)	3 (60)	1 (100)	1 (100)
No	2 (10)	1 (12.5)	0 (0)	2 (40)	0 (0)	0 (0)
Gender
Male	17 (81)	3 (37.5)	1 (100)	0 (0)	0 (0)	1 (100)
Female	4 (19)	5 (62.5)	0 (0)	5 (100)	1 (100)	0 (0)
Site
Fovea	13 (62)	0 (0)	0 (0)	3 (60)	1 (100)	0 (0)
Fovea, sphenoid	2 (9.5)	8 (100)	1 (100)	0 (0)	0 (0)	0 (0)
Pos table of frontal	2 (9.5)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
Fovea and cribriform plate	1 (4.8)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
Cribriform plate	3 (14.2)	0 (0)	0 (0)	2 (40)	0 (0)	1 (100)