Table 4:

Angiographic findings of pAVMs

Patient	Feeding Arteries	Venous Drainage	Nidus
1	Palpebral branch of OA	SOV	Small (<3 cm)
2	Branches of OA; branches of superf. temp. a; supraorbital a	SOV; temp sup v, facial v	Small (<3 cm)
3	Lachrymal a (from OA), branch from superf. temp. a; branch from anterior deep temp. a, branches from infra-orbital a	Dilated SOV (7 mm)	Small + direct fistula
4	Supraorbital a, anterior deep temporal branch	SOV	Compact, 2.5 cm
5	Palpebral branches from R sphenopalatine a, angular a	Facial v, SOV	Small and compact
6	Branches from sphenopalatine a, palpebral a from OA	Direct via SOV, reflux in facial v	Compact
7	Palpebral a from OA; branches from superf. temp. a	SOV	Compact; 4 cm
8	Palpebral a from OA	Facial v	Small (<3 cm)
9	Palpebral a from OA, branches from superf. temp. a	SOV, facial v, frontal v	Compact; 2.5 cm