PMC3942545_01
Magnetic resonance images of the case demonstrates Dandy walker variant.
pi-11-102-g001.jpg
PMC3942545_01_pi-11-102-g001.jpg
F1
MR scanning disclosed cerebellar vermis hypoplasia and large cerebellar medullary system in the 4th ventricular posterior cisterna magna (keyhole deformity) that is compatible with Dandy-Walker variant (Figure 1).