Luyso-pallido-nigral atrophy and amyotrophic lateral sclerosis.

The clinical and pathologic findings in a 34-year-old woman with basal ganglia degeneration and amyotrophic lateral sclerosis are reported. The duration of symptoms was 2 years. A maternal uncle had a parkinsonian syndrome with onset at 45 years of age. Neuropathologic examination revealed extensive neuronal loss and gliosis in the corpus Luysii. Nerve cell loss and gliosis also involved both parts of the globus pallidus, and the substantia nigra. The corticospinal tracts were demyelinated in the spinal cord, and neuronal loss was observed in the anterior horns. Only one similar case of pallido-luyso-nigral atrophy associated with amyotrophic lateral sclerosis has, to our knowledge, been reported previously. Such an association may represent more than a coincidental occurrence.