Pineal region tumor

Listed are the pathologies that closely resemble each other, and these pathologies are the favourite questions in final FRCR part A exam.

PINEAL REGION TUMOR

	Germinoma	Pineoblastoma
1	Pineal region, posterior 3rd ventricle	Pineal parenchymal tumor
2	Paediatric population
3	Hyperdense
4	Avid enhancement on CT	Less commonly enhance
5	Central calcification	+/- Peripheral calcification ”Exploded pineal calcification” (BLASToma)
6	Subarachnoid seeding

**Think Parinaud syndrome