Infantile Neuroaxonal Dystrophy

Abstract
Four cases of infantile neuroaxonal dystrophy (a familial progressive disorder of the central nervous system) are presented with clinical and pathological findings. The clinical picture is characterized by a fairly normal development of the children up to about one year of age when a standstill and regression of motor and psychic development became apparent. Some children develop a marked generalized hypotonia, others a spasticity. Optic nerve atrophy is usually another early clinical sign. Pathologically a marked cerebellar atrophy and the occurrence of so-called ''speroid bodies'' are characteristic; the latter are signs of neuroaxonal degeneration. One of the patients presented here showed extrapyramidal signs which so far have not been seen in infantile neuroaxonal dystrophy.

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