The main objective of this article is to describe transcallosal and transcortical approach to deal with intraventricular tumors. Details of the transcallosal and transcortical approach to intraventricular tumors of the lateral and third ventricles were presented. Intraventricular tumors are ideal indications for microscopic neurosurgery. https://www.ldartstudio.com/product-category/collagen-supplements/