Autopsy of a 5-year-old child revealed in the area of vermis of cerebellum a soft greyish-pink node 2 cm in diameter with blurred margins and areas of hemorrhage. Histologically this tumour consisted of atypical monomorphous small round cells with large polymorphous nuclei. What tumour is it?

Answer options

1. Astrocytoma
2. Oligodendroglioma
3. Glioblastoma
4. Meningioma
5. Medulloblastoma

Explanation

Autopsy of a 5-year-old child revealed in the area of vermis of cerebellum a soft greyish-pink node 2 cm in diameter with blurred margins and areas of haemorrhage. Histologically this tumour consisted of atypical monomorphous small round cells with large polymorphous nuclei. What tumour is it?Medulloblastoma is a pediatric malignant primary brain tumor (cancer), histologically it is seen in atypical monomorphous small round cells with large polymorphous nuclei.