Table 5:

Additional diagnosis identified on follow-up CTA, DSA, or MRI

	All	Men	Women
Total No. of patients undergoing follow-up studies	169	86	83
Additional diagnosis after follow-up studies:
Aneurysm/pseudoaneurysm	6 (4%)	3 (3%)	3 (4%)
Cavernous malformation	1 (0.6%)	0 (0%)	1 (1%)