PMC8247660_01
(a) Pre-operative MRI of coronal section. Fluid-attenuated inversion recovery sequence revealed 8 x 12 mm cavernoma in the right inferior temporal gyrus (arrow). Neither reduced hippocampal volume nor enlarged temporal horn, which are typical structural findings of mesial temporal lobe epilepsy, could be seen. (b) Iomazenil-single-photon emission computed tomography showed decreased accumulation in the right mesial temporal lobe (c) The postoperative brain MRI showed complete resection of cavernoma (a) and hippocampal transection (b).
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Neither reduced hippocampal volume nor enlarged temporal horn, which is a typical structural finding of mesial temporal lobe epilepsy, could be seen in fluid-attenuated inversion recovery sequence images [Figure 1a]. Iomazenil-single-photon emission computed tomography showed decreased accumulation in the right mesial temporal lobe [Figure 1b]. Postoperative brain MRI showed complete resection of the cavernoma and hippocampal transection [Figure 1c].