Study of Microvessel Density and the Expression of Vascular Endothelial Growth Factors in Adrenal Gland Pheochromocytomas

Table 7

Vascular parameters in benign and malignant pheochromocytomas.

Marker	Location	Method	Benign		Malignant
			Mean	SD	Mean	SD
CD31	Subcapsular	Hot spot	57.47	23.69	50.40	25.78
	Intratumoral	Hot spot	61.19	27.71	48.00	30.32
	Subcapsular	Chalkey	39.71	13.49	47.11	13.69
	Intratumoral	Chalkey	45.61	14.22	51.53	16.70
CD105	Subcapsular	Hot spot	29.94	21.07	28.60	20.26
	Intratumoral	Hot spot	37.75	23.61	39.60	35.91
	Subcapsular	Chalkey	23.09	13.13	28.23	5.69
	Intratumoral	Chalkey	32.34	15.01	42.35	16.22
D2-40	Capsular	Hot spot	1.87	1.32	2.50	1.73
	Subcapsular	Hot spot	0.11	0.57	0.20	0.45
	Intratumoral	Hot spot	0.00	0.00	0.00	0.00
VEGF-A			4.64	1.01	3.80	1.30
VEGF-C			3.60	1.12	3.40	0.89
VEGF-D			1.98	1.41	1.40	1.67