Adult Hemimegalencephaly with Migraine as the First Symptom.

Besides, we found her mini-mental state examination score was 18/30 (the patient was illiterate), and Montreal cognitive assessment score was 19/30. Magnetic resonance imaging (MRI) of the brain showed enlarged right hemisphere with smooth thickened cortex and pachygyria, indistinct gray/white differentiation. Discussion In this case, the patient presented with a contralateral headache rather than an ipsilateral headache. [Extracted from the article]