• Vich Yindeedej, Takehiro Uda, Toshiyuki Kawashima, Yuta Tanoue, Satoru Sakuma, Emiko Morimoto, and Takeo Goto.
• Department of Neurosurgery, Osaka Metropolitan University, Graduate School of Medicine, Osaka, Japan; Division of Neurosurgery, Department of Surgery, Thammasat University Hospital, Faculty of Medicine, Thammasat University, Pathumthani, Thailand.
• World Neurosurg. 2024 Aug 1; 188: 7777.

AbstractTwo main surgical techniques are available for corpus callosotomy (CC): conventional microscopic CC and endoscopic CC.1 Microscopic CC is more familiar to neurosurgeons and allows three-dimensional visualization, but it requires a larger craniotomy and has a narrower visual angle in the deep part. Endoscopic CC has only recently been introduced to epilepsy surgery, but it is gaining increasing interest among epilepsy surgeons. The endoscope provides two-dimensional visualization and requires a camera as an additional instrument inserted into the surgical corridor. The merits of endoscopic CC include the smaller craniotomy and smaller skin incision, potentially reducing invasiveness.2 Bridging veins to the superior sagittal sinus are also less problematic because of the reduced need for brain retraction. The lack of need of arachnoid dissection is another advantage. Generally, an anterior approach is applied for CC, but this approach makes interhemispheric fissure dissection mandatory, especially at the cingulate gyri. In some cases, this procedure can take a long time. On the other hand, a posterior approach requires less interhemispheric arachnoid dissection, or sometimes none at all, due to the anatomy of the falx cerebri. These reasons have driven the development of a posterior approach for an endoscopic-alone technique.3 Here, we present a 5-year-old girl with medically intractable epileptic spasms that were diagnosed as infantile epileptic spasms syndrome, who underwent endoscopic total CC via a posterior approach to control her seizures (Video 1).Copyright © 2024 Elsevier Inc. All rights reserved.

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