Dandy-Walker Continuum Features

Question 1

Classic Dandy-Walker Malformation:

What is the :

Posterior fossa size
(Large or normal?)

Vermis size
(Hypoplastic or normal?)

T-V angle

Answer 1

Posterior fossa size: Large
Vermis size: Hypoplastic
T-V angle: >18

Question 2

Vermian Hypoplasia:

What is the :

Posterior fossa size
(Large or normal?)

Vermis size
(Hypoplastic or normal?)

T-V angle

Answer 2

Posterior fossa size: Normal
Vermis size: Hypoplastic
T-V angle: >18

Question 3

Blake pouch remnant:

What is the :

Posterior fossa size
(Large or normal?)

Vermis size
(Hypoplastic or normal?)

T-V angle

Answer 3

Posterior fossa size: Normal
Vermis size: Normal
T-V angle: >18

Question 4

Mega Cisterna Magna

What is the :

Posterior fossa size
(Large or normal?)

Vermis size
(Hypoplastic or normal?)

T-V angle

Answer 4

Posterior fossa size: Normal
Vermis size: Normal
T-V angle: Normal or less than 18