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Figure 4: Intra-operative diffusion tensor imaging (DTI) is useful in determining the completeness of hemispherotomy. (a and d) The preoperative DTI images. Following surgery (b and e), the tracts on the opposite side were not visible except on the frontal side where some tracts were still seen. A re-exploration was performed which revealed some connections still persisting in the fronto-basal area. Following disconnection of these tracts, a repeat DTI imaging showed complete disconnection (c and f)

Figure 4: Intra-operative diffusion tensor imaging (DTI) is useful in determining the completeness of hemispherotomy. (a and d) The preoperative DTI images. Following surgery (b and e), the tracts on the opposite side were not visible except on the frontal side where some tracts were still seen. A re-exploration was performed which revealed some connections still persisting in the fronto-basal area. Following disconnection of these tracts, a repeat DTI imaging showed complete disconnection (c and f)