Medulloblastoma, WNT-activated (WHO grade 4) Flashcards
1
Q
Medulloblastoma, WNT-activated age
A
Older child , rarely adult
2
Q
Histology type Medulloblastoma, WNT-activated g4
A
Classic
Rarely Large cell/anaplastic morphology.
3
Q
Medulloblastoma, WNT-activated (WHO grade 4) 📍
A
cerebellar midline
Around foramen of Luschka, arising from the brainstem or cerebellum
4
Q
Medulloblastoma, WNT-activated (WHO grade 4) origin
A
lower rhombic lip progenitor cells
5
Q
Medulloblastoma, WNT-activated (WHO grade 4) genetic mutation
A
CTNNB1, DDX3X, TP53.
6
Q
Prognosis
A
Children excellent
Adult poor
7
Q
Dx
A