Removal of pineal region teratomas using occipital transtentorial approach (OTA) technique: Case report and literature review

Abstract

Highlights Pathological tumors originating purely from the pineal gland are very rare, which mainly found in children and adolescents. Clinical manifestations of pineal tumor mosty: visual impairment, headaches, and a decrease of cognitive and consciousness. It is recommended to install VP-shunt several days before definitive tumor surgery for ventricular decompression. The choice of technique is determined by the tumor location, pathological findings, and risk of complications. The OTA technique allows excellent views of pineal region, and access to the midline, superior vermis, and ventricle III.