Intrasellar pressure in patients with pituitary adenoma – relation to tumour size and growth pattern

BMC Neurology

Table 4 Tumours classified according to Knosp and SIPAP

Classification	0	1	2	3	4	ChiSquare
Suprasellar
Total, n = 93	6	11	12	47	17
Men, n = 52	3	6	10	27	6	p = 0.15
Women, n = 41	3	5	2	20	11	p = 0.15
Infrasellar
Total, n = 91	52	35	4
Men, n = 51	27	21	3			p = 0.56
Women, n = 40	25	14	1			p = 0.56
Parasellar dx
Total, n = 91	16	32	21	16	6
Men, n = 51	7	19	13	10	2	p = 0.57
Women, n = 40	9	13	8	6	4	p = 0.57
Parasellar sin
Total, n = 91	15	28	24	20	4
Men, n = 51	6	15	15	11	4	p = 0.27
Women, n = 40	9	13	9	9	0	p = 0.27
Anterior
Total, n = 91	82	9
Men, n = 51	44	7				p = 0.17
Women, n = 40	38	2				p = 0.17
Posterior
Total, n = 90	76	14
Men, n = 50	38	12				p = 0.0135
Women, n = 40	38	2				p = 0.0135
Parasellar invasive	Invasive	Non-invasive
Total, n = 91	36	55
Men	21	30				p = 0.72
Women	15	25				p = 0.72

Table 4 shows the adenoma classification according to Knosp and SIPAP. Adenomas with parasellar grade 3–4 were considered as parasellar invasive. ChiSquare-test was performed to analyse difference in the distribution between men and women

ISSN: 1471-2377