Table 2.

Correlation of tumor location during transphenoidal surgery and lateralization by IPSS, venous drainage, and dMRI.

	IPSS			p-value
	Right	Left	Symmetric
Venous drainage:
VD (right)	8 (100%)	0	0	P = 1
VD (left)	0	5 (100%)	0
VD (symmetric)	0	0	4 (100%)
MRI:
MRI (right)	0	2 (100%)	0	<0.0001
MRI (left)	1 (33.3%)	1 (33.3%)	1 (33.3%)
MRI (central)	5 (55.6%)	2 (22.2%)	2 (22.2%)
MRI (central and left)	1 (50%)	0	1 (50%)
MRI (central and right)	1 (100%)	0	0
Surgery:
Main location (right)	0	2 (66.7%)	1 (33.3%)	0.431
Main location (left)	0	1 (100%)	0
Main location (central)	5 (55.6%)	2 (22.2%)	2 (22.2%)
Main location (central and left)	2 (66.7%)	0	1 (33.3%)
Main location (central and right)	1 (100%)	0	0
Total	8 (47.1%)	5 (29.4%)	4 (23.5%)

Bold value indicates correlation of tumor location during transphenoidal surgery and lateralization by IPSS, venous drainage, and brain MRI.