04 April 2022
: Case report 
Management of an Extensive Intraparotid and Auricular Arteriovenous Malformation
Rare disease
Sze Ying Yee1EF*, Shuyi Guo1E, Chi Long Ho123EFDOI: 10.12659/AJCR.935337
Am J Case Rep 2022; 23:e935337
Table 1. Schobinger staging of arteriovenous malformation.
| Stage | Nature | Clinical findings | Intervention [3] |
|---|---|---|---|
| I | Quiescent | Warm and discolored skin | No, observation |
| II | Expansile | Bruit/thrill, pulsation and swelling | Yes, based on symptoms |
| III | Destructive | Pain, dystrophic skin, ulceration, bleeding | Yes |
| IV | Decompensation | Cardiac failure | Yes |