CT - CT head
What are the differential diagnoses for this lesion?
In this case these may include a pineal region epidermoid, dermoid or arachnoid cyst.
What favours the diagnosis of a pineal region epidermoid cyst in this case?
In this case, the presence of high DWI signal is strongly suggestive of an epidermoid cyst.
In retrospect, the lesion Identified on MRI Is isoattenuating to the surrounding CSF.
Punctate pineal gland calcifications. No intralesional or perilesional calcific foci.