Case Report: Medulloblastoma Presented with Bilateral Sixth Cranial Nerve Palsies

A 16 years old healthy man presented with history of increasing frequency of headache and vomiting , notes of blurred vision and binocular horizontal diplopia for 1 month. Clinical findings revealed bilateral sixth nerve palsies with bilateral optic disc swelling. With all of these findings, this seem to be a case of raised intracranial pressure. Neuroimaging demonstrated a midline posterior fossa tumor with obstructive hydrocephalus. The patient underwent ventriculoperitoneal shunt and subtotal tumor removal. Pathological examination revealed histological characteristic findings of medulloblastoma. Patient was received the craniospinal radiation and chemotherapy to improve the survival. On follow-up visits, ocular examination revealed his diplopia improved and resolved of swollen disc both eyes.