EXCHANGEABLE
\ɛkst͡ʃˈe͡ɪnd͡ʒəbə͡l], \ɛkstʃˈeɪndʒəbəl], \ɛ_k_s_tʃ_ˈeɪ_n_dʒ_ə_b_əl]\
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By James Champlin Fernald
Word of the day
Olivopontocerebellar Atrophies
- group inherited disorders which share progressive ataxia combination with atrophy CEREBELLUM; PONS; inferior olivary nuclei. Additional features include RIGIDITY; NYSTAGMUS; RETINAL DEGENERATION; MUSCLE SPASTICITY; DEMENTIA; URINARY INCONTINENCE; OPHTHALMOPLEGIA. familial has an earlier onset (second decade) and may feature spinal cord atrophy. sporadic form tends to present in the fifth or sixth decade, is considered a clinical subtype MULTIPLE SYSTEM ATROPHY. (From Adams et al., Principles of Neurology, 6th ed, p1085)