Table 1.

Schobinger classification of arteriovenous malformations.

Stage I	Quiescence	Cutaneous blush, skin warmth, arteriovenous shunt on Doppler ultrasound
Stage II	Expansion	Pulsation, thrill and bruit, expanding lesion
Stage III	Destruction	Pain, dystrophic skin changes, ulceration, bleeding
Stage IV	Decompensation	Cardiac failure