Hippocampal sulcus remnant cysts

Case contributed by Dalia Ibrahim
Diagnosis certain

Presentation

Incidental finding at MRI of the brain.

Patient Data

Age: 60 years
Gender: Male

Multiple tiny cystic lesions that follow CSF on all sequences are seen along the lateral margin of the hippocampus.

Case Discussion

Hippocampal remnant cyst represent unfused hippocampal sulcus.

It's an incidental finding not associated with pathology, which is usually observed on high resolution imaging for evaluation of seizure patients. 

 

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