Traumatic aneurysms

Question 1

Incident TA

Answer 1

< 1% of all intracranial aneurysm

Question 2

Other names TA

Answer 2

pseudoaneurysms

Question 3

Mechanism TA

Answer 3

1- penetration truam> gunshot , sharp
2- close head injury; traction injury or entrapment within a fracture.➡️
Peripheral ;
Distal ACA ➡️ falcine edge

distal cortical artery aneurysm➡️ skull fracture or growing skull fracture
At base ICA ➡️
Petrous segment c2 ,
cavernous e C4 ( CSS , CCF ) 👃 🩸 with sphenoid sinus fracture
c6 supracliniod
3- Iatrogenic ETSS transehniod surgery

Question 4

TA sx

Answer 4

Delay intracranial hemorrhage ( SDH, ICH,IVH,SAH)⭐️ MC
Nose 👃 🩸
CN palsy
Enlarged skull fracture
Severe H/A

incidental finding on CT scan

Question 5

TX TA

Answer 5

Distal surgical
ICA Endovascular

Question 6

TA rupture rate

Answer 6

High rupture rate