Table 3.

Hyaluronan staining in human endometrium and its lesions

	HA-staining intensity				HA-staining intensity
	Epithelium*				Stroma*
	n.d.	weak	moderate	strong	n.d.	weak	moderate	strong
Normal n = 9	9	0	0	0	0	0	9 (60%; 10-90%)	0
Proliferating pm† n = 5	5	0	0	0	0	3	1 (30%)	1 (100%)
Hyperplasia # n = 2	0	1 (5%)	1 (40%)	0	0	1 (40%)	0	1 (30%)
Grade 1 ‡ n = 8	1	0	5 (2-5%)	2 (5-10%)	0	0	5 (70%; 20-80%)	3 (80%; 50-100%)
Grade 2+3 ‡ n = 8	1	0	4 (15%; 10-60%)	3 (30%; 20-30%)	0	0	2 (50-80%)	6 (80%; 20-90%)

* num. of samples with % of positive cells (% in median; range when necessary)

n.d. = not detected/negative

^# complex atypical hyperplasia

^†pm = post-menopausal

‡ endometrioid endometrial adenocarcinoma