Spasmus nutans is a clinical condition with the triad of nystagmus, head nodding, and torticollis.

The condition is usually identified during infancy and disappear during childhood.


Clinical triad:

(1) nystagmus

(2) head nodding (identified as compensatory by Gottlob et al, 199)

(3) torticollis or anomalous head positioning


Some patients have central nervous system malformations including cerebellar vermian agenesis or hypoplasia.


Differential diagnosis:

(1) glioma

(2) congenital ocular motor apraxia

(3) infantile nystagmus

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