Presentation
Seizures.
Patient Data
Age: 10 years
Gender: Male
From the case:
Choroid plexus lipoma
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/100303/annotated_viewer_json?lang=us"}
There is a small rounded well-defined fatty-density lesion (density = -77 HU) within the trigone of the left lateral ventricle.
No other cerebral abnormality is seen.
Case Discussion
CT feature of a small fatty-density lesion within the trigone of the left lateral ventricle most consistent of a choroid plexus lipoma (incidental finding in this case).
Choroid plexus lipoma can occur in all age groups with a prevalence of 0.45%. Most patients are asymptomatic and the lipoma is discovered incidentally. Generally, treatment is not required.