Angiographically Occult Vascular Malformations

Question 1

Angiographically Occult Vascular Malformations AOVM

Answer 1

Cerebral malformation not demonstrate in angio
May be seen in CT , MRI

Question 2

Etiology AOVM

Answer 2

🩸 obliterate r compresse the lesion
Sluggish flow
Small size
Require late angio

Question 3

AOVM sx

Answer 3

Seizure and neurological deficit

Question 4

The risk of hemorrhage from a cryptic vascular malformation

Answer 4

0.25 % per year.

Question 5

Incidence AOVM

Answer 5

10%