Status post craniotomy with worsening headache. Evaluate for bleed. The patient is status post frontal craniotomy. Pneumocephalus and subcutaneous emphysema are likely postsurgical. In the left frontal high convexity an area of hypodensity with surrounding air represents the surgical bed. Foci of high attenuation likely represent a small amount of blood within the surgical bed. No large intracranial hemorrhage is identified. No midline shift. The ventricles and basal cisterns are normal in size and configuration.The calvaria and skull base are radiographically normal. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.
Expected postoperative findings of a recent craniotomy. No large intracranial hemorrhage.