A 42-year-old man presented with coma due to rupture of a left posterior communicating artery aneurysm. A preoperative CT scan demonstrated subarachnoid hemorrhage (SAH) and bilateral fundus hemorrhage. Visual evoked potentials (VEP) and B-scan Ophthalmologic Ultrasound revealed vitreous hemorrhages, features consistent with Terson syndrome. Pars plana vitrectomy was performed 2 weeks after SAH with a subsequent improvement of visual acuity.
Early identification is important for the recovery of the patient's nervous system and ophthalmology. Neurosurgeons should be aware of the pathology and pay attention to it to maximize patient's benefit 1)