Fig. 2From: Proposal for diagnosis using FLAIR image aimed for pediatric MELAS with recurrent stroke-like episodes on MRI system cannot take ASL imagingLocation of the ROI of the frontal lobe, cuneus, and brainstem for measuring normalized signal intensity using FLAIR images. a The circle ROI of the frontal lobe has an area of 200 mm2. The oval ROI of the cuneus has an area of 200 mm2. b The circle ROI of the brainstem has an area of 180 mm2Back to article page