Pineal Flashcards
1
Q
Pineal region DDx (4)
A
3 main types, all of which cause “vertical gaze palsy”
Germinoma
Pineoblastoma
Pineocytoma
2
Q
Germinoma (4)
A
Most common pineal region tumour.
Seen exclusively in boys. may cause precocious puberty, due to hCG secretion.
Mass containing fat and calcification, with variable contrast enhancement.
Heterogenous on T1 and T2 (because of mixed components).
3
Q
Pineoblastoma (4)
A
Occurs in childhood.
Unlike pineocytoma, highly invasive.
Associated with retinoblastoma.
Heterogenous and enhance vividly.
4
Q
Pineocytoma (3)
A
Rare in childhood.
Well circumscribed, non-invasive.
Tend to be more solid and solid components typically enhance.
