Retrieval of an embolization coil from the internal carotid artery using the Amplatz microsnare retrieval system.

An unusual case of unintentional release of an embolization coil into the proximal internal carotid artery is reported. The coil migrated and lodged distally in the petrous portion of the internal carotid artery during initial removal attempts using a regular nitinol loop snare. The coil was retrieved with the Amplatz Nitinol Microsnare system.