Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41016-018-0111-1/MediaObjects/41016_2018_111_Fig1_HTML.gif)
A 33 years old woman with chief complaint of epilepsy for 2 weeks. a: Lateral view of right internal carotid artery angiography before embolization reveals right parietal arteriovenous malformation supplied by branches of right middle cerebral artery. b: Lateral view of right external carotid artery angiography before embolization. Both anterior and posterior branches of right middle meningeal artery are involved in blood supply. c: Lateral view of right internal carotid artery angiography after embolization. The nidus is partly embolized. Branches of right middle cerebral artery still supply part of the nidus. d: Lateral view of right external carotid artery angiography after embolization. Blood supply of right middle meningeal artery is completely eliminated