What is the result of a Chiari type II malformation associated with a myelomeningocele?
A)Upward displacement of the cerebellum into the diencephalon
B)Motor and sensory lesions below the level of the myelomeningocele
C)Downward displacement of the cerebellum, brainstem, and fourth ventricle
D)Generalized cerebral edema and hydrocephalus

Question

Quizplus · Accepted Answer

One serious, potentially life-threatening problem associated with myelomeningocele is the Chiari type II malformation. This deformity involves the downward displacement of the cerebellum, cerebellar tonsils, brainstem, and fourth ventricle. The other options do not appropriately describe the pathologic characteristics resulting from a Chiari type II malformation.

What Is the Result of a Chiari Type II Malformation