Findings:
Porencephalic cavity within the right inferior parietal lobule, communicating with the atrium/posterior body of right lateral ventricle. Mild gyral atrophy is noted in the inferior parital lobule at the posterior aspect of the porencephalic cyst with associated gliosis. Otherwise, no significant FLAIR/T2 signal surrounding the cavity.
The brain parenchyma is otherwise unremarkable. No abnormal signal on the susceptibility-weighted images or diffusion/ADC images is identified.
There is no mass or midline shift. No hydrocephalus.
The pituitary gland is normal.
A small mucous retention cyst is seen in the left maxillary sinus. The orbits, paranasal sinuses and mastoid air cells are otherwise clear.
No bony abnormality is seen. The craniocervical junction is normal.
Impression:
Porencephalic cyst in the right inferior parietal lobule communicating with the right lateral ventricle. Otherwise, normal findings.