Table 1. Patients and tumor characteristics.

Number of patients	67
Male:female ratio	37:30
Age (yr): median (range)	55.5 (14–83)
Pathological features, n (%)
Pituitary adenomas	62 (92.5%)
Nonfunctioning adenomas	36 (53.7%)
GH-cell adenomas	13 (19.4%)
ACTH-cell adenomas	7 (10.4%)
PRL-cell adenomas	6 (8.9%)
Meningiomas	2 (2.9%)
Craniopharyngiomas	1 (1.4%)
Arachnoid cysts	1 (1.4%)
Rathke cleft cysts	1 (1.4%)
Giant: macro:micro (adenomas) ratio	2:48:12

Abbreviations: ACTH, adrenocorticotropic hormone; GH, growth hormone; PRL, prolactin.