Table 2.

Sonographic color Doppler findings in patients with large and small scar endometriomas

	L-SE (13 nodules)	S-SE (20 nodules)	P
US findings
Size (mean ± SD)	41.3 ± 9.02	18.2 ± 5.17
Echotexture
Hypoechoic with hyperechoic spots/strands	11	19	NS
Cystic portions and/or fistulous tract	7	1	< 0.02
Peripheral hyperechoic ring (absent/present)	1/12	7/13	NS
Margins (spiculated-infiltrating)	9	14	NS
Loss of oval or round shape	4	0	< 0.04
Color doppler findings
Resistive index (mean ± SD)	0.75 ± 0.08	0.66 ± 0.16	NS
Multiple vascular pedicles	8	2	< 0.04
Central vascularisation	8	2	<0.04

L-SE: Large scar endometrioma; S-SE: Small scar endometrioma; NS: Not significant.