Delayed Rupture of the Supraclinoid ICA Aneurysm after Flow Diversion

Patient

• 59-year-old female patient
• C.C. dizziness
• An unruptured aneurysm was found on MRA

An 18-mm ICA aneurysm

Flow diverter placement

Immediate MRA

Delayed rupture with ICA occlusion

Diffusion & Perfusion MR

Right ICA occlusion

Poor circle of Willis collateral

Chemical angioplasty for vasospasm

VP shunt for progressed hydrocephalus

Right visual disturbance

Right visual disturbance due to increased mass effect

2-month FU without infarction or rebleeding

Discussion points

Delayed Rupture of the Supraclinoid ICA Aneurysm after Flow Diversion

• Prevention
• Management