No significant PMH with 2 days of dizziness associated with nausea and leftward horizontal gaze-evoked nystagmus and leftward drifting of fixed gaze. Orbits: The globes and ocular adnexa are intact. Likewise, the optic nerves are unremarkable. There is no evidence of intraorbital mass lesions or abnormal enhancement. Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchyma and pituitary gland appear unremarkable. There is no abnormal intracranial enhancement. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, and scalp soft tissues are grossly unremarkable. There are small retention cysts in the maxillary sinuses.
1. The orbits are unremarkable.2. No evidence of acute intracranial hemorrhage, mass, or acute infarction.