FIG 5. Case 5.

A, Left carotid angiogram shows a direct CCF.

B and C, Oblique views show that the small aneurysm is opacified initially, and then shunt flow is seen.

D–F, Delivery of the detachable balloon fails because of a small orifice, and a microcatheter is advanced into the cavernous sinus (D). The sinus is packed with coils (E), producing nearly complete obliteration (F).