Delayed Coil Migration: Uncommon Cause of Ischemic Stroke and Retrieval Technique

A 51-Year-old woman had balloon assisted coil embolization with two microcoils for a residual of a previously ruptured right posterior communicating artery aneurysm [Figure 1(A) and (B)]. The patient presented after two weeks with aphasia and right hemiparesis. Computed tomography revealed migrated coil [Figure 1(C)] confirmed by cerebral angiography [Figure 1(D)]. The coil was successfully retrieved using Trevo 3 mm × 20 mm stent retriever (Stryker) [Figure 1(E) and (F), Video) with complete recovery