Correlations of Vascular Architecture and Angiogenesis with Pituitary Adenoma Histotype

Table 2

mRNA expression	Parameters		Statistics
VEGF165/actin	Density	0.220	ns
	Area	0.301	ns
	Diameter	0.143	ns
	Perimeter	0.260	ns
	Roundness	−0.026	ns
	Tumor volume	0.110	ns
VEGF121/actin	Density	0.169	ns
	Area	0.292	ns
	Diameter	0.175	ns
	Perimeter	0.218	ns
	Roundness	0.056	ns
	Tumor volume	0.270	ns