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. 2022 Mar 21;92(S4):e2021351.
doi: 10.23750/abm.v92iS4.12801.

Interhemispheric Approach

Stephanie Anetsberger  1 , Pablo Gonzalez-Lopez  2 , Yasmeen Elsawaf  3 , Alice Giotta Lucifero  4 , Sabino Luzzi  5 , Samer Elbabaa  6
Affiliations

Interhemispheric Approach

Stephanie Anetsberger et al. Acta Biomed. .

Abstract

The interhemispheric approach is the natural route to reach the parafalcine and paraventricular structures through the interhemispheric fissure. In this chapter, we report the main anterior and posterior corridors of the interhemispheric approach.

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Figures

Figure 1.
Figure 1.. Dissection by Pablo Gonzalez-Lopez et al.; 1 Falx cerebri, 2 Callosomarginal artery, 3 Pericallosal arteries, 4 Corpus Callosum (Body), 5 lateral Ventricle, 6 III. Ventricle, 7 septal vein, 8 Fornix.
Figure 2.
Figure 2.. Patient positioning for anterior interhemispheric approach.
Figure 3.
Figure 3.. (A) Preoperative axial T2-weighted and FLAIR MRI showing a left gyrus rectus cavernoma. (B) Intraoperative neuronavigation showing the surgical trajectory to the target. (C) Postoperative axial T2-weighted and FLAIR MRI revealing the complete removal of the cavernoma.
Figure 4.
Figure 4.. (A) Pre-operative contrast-enhanced CT scan revealed a fronto-basal midline hematoma. (B) Lateral projection digital subtraction angiography, obtained after the injection of the left internal carotid artery, and showing a small anterior interhemispheric AVM (grade 3) associated with a flow-related left pericallosal artery aneurysm. (C) Postoperative axial CT scan showing the complete removal of the hematoma. (D) Lateral projection post-operative digital subtraction angiography confirming the complete exclusion of the AVM.
See this image and copyright information in PMC

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