Abstract
Choroid plexus papilloma is an uncommon tumour of the central nervous system, accounting for less than 1% of all intracranial neoplasm. The usual locations are the lateral ventricle in infants and children and the fourth ventricle in adults. The third ventricle is a rare location, with few cases reported in the literature. We describe the case of a 3-month-old boy who was admitted to our centre with signs of raised intracranial pressure. Neuroimaging studies showed a third ventricular mass with associated hydrocephalus. The patient underwent complete tumour removal through a transfrontal approach and ventriculo-peritoneal shunt surgery. Postoperative course of the child was uneventful and follow-up magnetic resonance imaging revealed no residual tumour. Histopathology of the resected lesion confirmed the diagnosis of choroid plexus papilloma. We discuss the clinical, radiological and histological features of this infrequent type of tumours.
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