New onset headache. There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchyma and pituitary gland appear unremarkable. The ventricles are unchanged l in size and configuration, including septum cavum pellucidum and vergae and choroid plexus cysts, which are anatomic variants. 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 is extensive paranasal sinus mucosal thickening.
1. No evidence of acute intracranial hemorrhage, mass, or Chiari malformation.2. Findings suggestive of sinusitis.