Hippocampal malrotation

Case contributed by Dr Prashant Gupta

Presentation

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

Patient Data

Age: 25
Gender: Female
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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Case information

rID: 17533
Published: 23rd Apr 2012
Last edited: 12th Feb 2018
Inclusion in quiz mode: Included

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