Left occipital petalia

Case contributed by Dr Mohd Radhwan Bin Abidin


Chronic headache

Patient Data

Age: 30 years
Gender: Female

MR brain

The left occipital lobe appears more prominent compared to the right and it protrude towards the right side. There is minor overlying scalloping of the calvaria.

No abnormal signal of the underlying brain parenchyma. Otherwise normal brain study.

Case Discussion

Petalia refers to asymmetrical protusion part of the cerebral hemisphere towards other hemisphere.

Common petalia involve right frontal and left occipital petalia; in which the right hemisphere protrude anteriorly to the left and the left hemisphere protrude posteriorly to the right.


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Case information

rID: 79946
Published: 9th Jul 2020
Last edited: 10th Jul 2020
Inclusion in quiz mode: Included
Institution: International Islamic University Malaysia

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