Arteriovenous malformation Flashcards
1
Q
17M
righthanded
brief loss of consciousness after colliding with another player during a football game
fogginess but no HVN seizures
Physical exam - retrograde amnesia
Ct angiography - small lesion in the left temporoperietal region composed of abnormal vascular channels
what can occur ?
A
arteriovenous malformation AVM
2
Q
AVM pathology ?
A
artery anastomosis with veins without interposed capillary bed
3
Q
fate of AVM ?
A
spontaneous hemorrhage
seizures
4
Q
CT angiogram of AVM ?
A
cluster of dilated vessels
bag of worms - left temperoparietal region with large arterial feeder vessels