Recurrent chiasmal apoplexy due to cavernous malformation.

We report a case of chiasmal apoplexy due to a cavernous malformation (CM). Surgery was delayed because of the patient's advanced pregnancy, and nearly complete recovery of vision occurred spontaneously. Recurrent hemorrhage prompted surgical extirpation. The patient was left with a residual deficit. The literature pertaining to chiasmal apoplexy and CMs is reviewed. Nearly half of the reported cases of chiasmal CM had recurrent hemorrhages. The co-occurrence of hemorrhage from CM and pregnancy is too rare to merit any conclusions about cause and effect.