Posterior Communicating Artery
(Redirected from PComA)
Infundibulum
- Most commonly located in posterior communicating artery
- Triangular shape, < 3mm, vessel origin at apex
- Identified in 7-13% of normal arteriograms, can mimic saccular aneurysm
- Though potential for bleed exists, rupture risk significantly ↓ compared to saccular intracranial aneurysm
- Diagnostic features: conical shape, size, location