• 63-year-old right-handed gentleman who experienced severe headache followed later by temporary episode of loss of consciousness. This was evaluated at an outside hospital with a CT scan, which reportedly was negative and his symptoms were attributed to dehydration. However, on the CT scan, an abnormality was identified and the patient was followed by a cerebral angiography of the brain, which was positive for an intracranial aneurysm.
  
  
• His neurological examination was non focal. He, however, had register of 3/3 and recall of 1/3 in five minutes.

Cerebral angiography of the patient’s brain shows an anterior communicating artery aneurysm.

• He underwent a supraorbital skull based craniotomy with micro-clipping of this aneurysm utilizing intraoperative neurophysiological monitoring.

Post=op cerebral angiography shows complete treatment of this aneurysm.

• He was discharged from the hospital with no complications and returned to normal function and remains free of any aneurysm.