Presentation
Incidental finding.
Patient Data
Age: 20 years
Gender: Female
From the case:
Choroidal fissure cyst
{"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/110812/annotated_viewer_json?c=1669503406\u0026lang=us"}
There is a small well-defined ovoid cystic lesion of the left choroidal fissure with a mass effect on the hippocampus, measuring 20 x 13 x 20 mm, of homogeneous CSF signal on all sequences.
Case Discussion
MRI feature of a choroidal fissure cyst (incidental finding in this case).
On imaging, the main differential diagnoses include:
- solitary enlarged perivascular space (if intra-axial location)
- hippocampal sulcus remnant cysts
Unable to process the form. Check for errors and try again.