A 43-year-old woman who was 12 weeks pregnant presented with a one-mon
th history of visual loss in the right eye. Neuroimaging studies revea
led multiple intracranial aneurysms, one of which compressed the right
optic nerve. Her pregnancy raised many issues concerning her manageme
nt. Evidence of aneurysm enlargement and the increased risk of aneurys
m rupture as gestation progressed led to early, successful surgical in
tervention.