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. Author manuscript; available in PMC: 2020 Sep 1.

Published in final edited form as: J Clin Neurophysiol. 2019 Sep;36(5):330–336. doi: 10.1097/WNP.0000000000000546

Figure 2. — Frontopolar/orbitofrontal epilepsy. a) Coronal T2 sequence through the frontal lobes showing a hemosiderin ring around a small focus of encephalomalacia (arrow) in the right basal frontal region. b) Sleep interictal EEG shows a right frontal spike, maximal (isopotential) at Fp2/F4.

Figure 2. — Frontopolar/orbitofrontal epilepsy. a) Coronal T2 sequence through the frontal lobes showing a hemosiderin ring around a small focus of encephalomalacia (arrow) in the right basal frontal region. b) Sleep interictal EEG shows a right frontal spike, maximal (isopotential) at Fp2/F4.