Extension of the cerebellar tonsils __________ mm below the foramen magnum, is considered borderline for the presence of Arnold-Chiari malformation.

Question

Quizplus · Accepted Answer

An extension of the cerebellar tonsils 3-5 mm below the foramen magnum is considered borderline for the presence of Arnold-Chiari malformation. Choices A, C, and D are either too low or too high to be considered borderline.

Extension of the Cerebellar Tonsils __________ Mm Below the Foramen