Rule out mass or mass effect. History of histiocytosis X. Non-enhanced CT of brain: There is no evidence of intracranial hemorrhage, edema, mass effect, mass, midline shift or hydrocephalus. Cortical sulci, ventricular system, CSF cisterns and gray -- white matter remains within normal. If clinical concern persists follow-up with an MRI is recommended.Visualized paranasal sinuses and mastoid air cells on the left are unremarkable. There is almost no pneumatization of right mastoid air cells. The right middle ear cavity however is well pneumatized.Calvarium is intact.Limited images of orbits are unremarkable. No abnormality of soft tissues of the scalp is detected.
Negative nonenhanced CT of brain and calvarium.