Correlations of Vascular Architecture and Angiogenesis with Pituitary Adenoma Histotype

Table 1

	VEGF pos		VEGF-negative		Statistics
	mean	SD	mean	SD
All cases	n 27		n 24
Density/1.0 mm^2	57.2	30.6	46.0	27.80	ns
Area %	7.17	5.54	5.24	2.89	ns
Diameter m	12.3	0.6	12.5	0.56	ns
Perimeter m	58.9	18.4	59.4	13.40	ns
Roundness	0.55	0.06	0.55	0.08	ns
Tumor volume mm^3	28035.7	97661.7	4342	4500.9	ns
NF	n 11		n 13
Density/1.0 mm^2	63.8	11.1	50.6	8.50	ns
Area %	7.13	5.37	5.49	3.00	ns
Diameter m	11.9	2.65	12.2	2.30	ns
Perimeter m	56.4	17.4	55.1	11.40	ns
Roundness	0.56	0.03	0.58	0.08	ns
Tumor volume mm^3	13519.1	16887.9	6648.1	4654.6	ns
PRL	n 7		n 6
Density/1.0 mm^2	50.3	9.8	42.6	11.10	ns
Area %	9.19	5.18	5.73	3.12	ns
Diameter m	14.9	2.98	13.3	3.10	ns
Perimeter m	72	15.7	62.1	15.20	ns
Roundness	0.515	0.054	0.545	0.05	ns
Tumor volume mm^3	8245.8	189920.0	2817.9	4305.9	ns
GH	n 8		n 2
Density/1.0 mm^2	51	27.1	59.4	15.10	ns
Area %	5.59	6.56	5.98	3.43	ns
Diameter m	10.8	2.8	10.8	2.10	ns
Perimeter m	52.1	18.9	56.8	12.50	ns
Roundness	0.557	0.070	0.473	0.033	ns
Tumor volume mm^3	3842.1	5570.5	500.0	282.8	ns
ACTH	n 0		n 3
Density/1.0 mm^2	nd		24.2	13.30	nd
Area %	nd		2.72	0.76	nd
Diameter m	nd		13.5	4.70	nd
Perimeter m	nd		66.5	20.70	nd
Roundness	nd		0.481	0.057	nd
Tumor volume mm^3	nd		2264.8	1976.50	nd
TSH	n 1		n 0
Density/1.0 mm^2	51	27.1	nd		nd
Area %	5.59	6.56	nd		nd
Diameter m	10.8	2.8	nd		nd
Perimeter m	52.1	18.9	nd		nd
Roundness	0.557	0.070	nd		nd
Tumor volume mm^3	346.5	nd	nd		nd