Table 2.

Ultrasound findings in 400 patients with hemangioma n (%)

Characteristics	n = 400
Size, cm (mean ± SD)	2.6 ± 3.1
B-mode, echogenicity
Echo-rich	363 (91)
Isoechoic or echopoor	37 (9)
Vascularity assessed by colour Doppler imaging
No intra-lesional vessels	379 (95)
Intra-lesional vessels (hypervascular)	21 (5 )
Peripheral nodular enhancement	328 (82)
Strong homogenous arterial enhancement	31 (8)
No specific enhancement pattern or not determinable (e.g., due to size of the lesion, solitary fibrotic nodule)	41 (10)
Complete iris diaphragm phenomenon	320 (80)
Incomplete iris diaphragm phenomenon	80 (20)

Reproduced with permission from Dietrich et al[65].