Atypical teratoid rhabdoid tumour in the third ventricle of a young adult – a rare presentation

AT/RTs are not limited to the paediatric age group, and their incidence among adults is being increasingly reported. Occurrence of AT/RT in the third ventricle of a young adult male has never been reported in the past. It merits consideration as a differential diagnosis of any midline lesion with malignant appearance in adults.