Hippocampal malrotation

Case contributed by Prashant Gupta
Diagnosis certain

Presentation

History of childhood infection, progressive mental retardation since then, seizures

Patient Data

Age: 25 years
Gender: Female

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

mri

Vertical abnormal orientation of the hippocampal body and collateral sulcus. The signal is abnormal as well.

Right sided cerebral hemiatrophy is seen as well with a focal cortical dysplasia in right parietal region.

Case Discussion

Hippocampal malrotation (HIMAL) is rare in patients without seizures hence may represent a pathological finding.

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