Background and Importance: Cavernomas of the septum pellucidum represent an extremely rare\nsubtype of CNS cavernous angiomas which are a rare subtype of CNS tumors. Intraventricular cavernomas\nof the body of the lateral ventricle are usually treated by the transcallosal approach. Clinical\nPresentation: We present a case of a fifty-eight year old man with a septum pellucidum cavernoma\nsuccessfully treated operatively by means of the inferior parietal transcortical transventricular\napproach. This unusual and scarcely documented tumor was situated at the posterior third of the\nseptum pellucidum. The patient had a good recovery with no focal deficit. Conclusion: Septum pellucidum\ncavernomas are extremely rare lesions. Inferior parietal transcortical approach is a safe alternative\nto the commonly used transcallosal approach for lesions of the posterior half of the septum\npellucidum.
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