We appreciate the comments of Dr Hartman1 regarding our series of cavernous carotid aneurysms treated by endosaccular embolization therapy.2 However, we believe his discussion incorrectly cites the literature. The published series of Steibel-Kalish and coworkers3 and Goldenberg-Cohen and coworkers4 were series in which either endovascular parent artery occlusion or surgical bypass was utilized as the treatment strategy, not endosaccular occlusion, as was utilized in our series. The third series he cites by de Vasconcellos and coworkers5 only evaluated five patients with endosaccular aneurysm therapy, so the high complication rate that …