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  • Title: [An autopsy case of progressive supranuclear palsy showing "pure akinesia without rigidity and tremor and with no effect by L-dopa therapy (Imai)"].
    Author: Homma Y, Takahashi H, Takeda S, Ikuta F.
    Journal: No To Shinkei; 1987 Feb; 39(2):183-7. PubMed ID: 3828155.
    Abstract:
    Eleven cases of "pure akinesia without rigidity and tremor and with no effect by L-dopa therapy" were first reported by Imai in 1980. Three cases were added by Hayashi and Hayashi (1983). However there have been so far no autopsy cases, remaining the nosological position of this syndrome uncertain. The authors have had an opportunity of observing the third case in the report by Hayashi and Hayashi for 8 years and autopsy was done as well. Case report The patient was a female farmer. On account of postural-reflex troubles, the pulsion phenomenon and feet freezing, which had progressed since the age of 54, she easily tumbled over. Eight years after the beginning of those symptoms, vertical oculomotor palsy, pseudobulbar palsy and dementia were added; she was diagnosed as a progressive supranuclear palsy. Before this diagnosis, her illness was being regarded as "pure akinesia without rigidity and tremor and with no effect by L-dopa therapy". Neck dystonia was not observed even in the terminal stage. She died at the age of 65. The total clinical course was about 11 years. Pathological observation The brain weighed 1,170 g before fixation. Marked atrophy of the subthalamic nucleus, globus pallidus and pontine tegmentum was observed. The substantia nigra was shown to be severely depigmented. Microscopically, loss of neurons and gliosis were seen in the subthalamic nucleus, globus pallidus, substantia nigra, hypothalamus, superior colliculus, central grey matter, brain stem reticular formation, cerebellar dentate nucleus, etc. The characteristic finding was the appearance of neurofibrillary tangles in these regions.(ABSTRACT TRUNCATED AT 250 WORDS)
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