Transcallosal approach

Passing through the corpus callosum transcallosal pathways.

Transcallosal interhemispheric approach.

Interhemispheric Transcallosal Transchoroidal Approach

Contralateral transcallosal approach.

Transcallosal anterior interforniceal approach.

Primarily for tumors or lesions of the lateral or third ventricle, including:

1. colloid cysts.

2. craniopharyngiomas

3. cysticercosis cysts

4. thalamic glioma

5. AVM

6. Intraventricular meningioma.