Fig. 22. A 63-year-old woman presented with a 3-month history of severe left-sided retroorbital headaches. A: Frontal view of the left carotid angiogram shows a 7-mm rounded aneurysm of the left cavernous segment projecting medially (arrow). B: After virtually complete obliteration of the aneurysm with Guglielmi detachable coils (arrow), the symptoms improved significantly.