MRI Images
Malformation
Mild SM

Cavalier A
No symptoms whatsoever
Mild malformation, slight squashing/pinching of cerebellum
Herniation of cerebellum
Medulla kinked/squashed
Narrow syrinx starting at C2

Dog B
No symptoms whatsoever
Mild Malformation, squashing/pinching of cerebellum
Herniation of cerebellum
Medulla quite kinked/squashed
One moderate sized syrinx starting at C2 and one small syrinx