“…Nevertheless, recanalization and continued transmission of systemic pressure through the thrombus and surrounding coils are potential concerns (10). Casting of the aneurysm sac using liquid embolic material such as Onyx (Micro Therapeutics, Inc, Irvine, California) (21,22) and NBCA (19,23) can isolate the aneurysm sac from the systemic circulation and reduce the possibility of recanalization and continued transmission of systemic pressure. Several reports have been published with successful results of embolization of endoleaks using both liquid embolic materials (19,(21)(22)(23).…”