NECROTIZING SIALOMETAPLASIA
\nˈɛkɹətˌa͡ɪzɪŋ sˌa͡ɪəlˌə͡ʊmtɐplˈe͡ɪzi͡ə], \nˈɛkɹətˌaɪzɪŋ sˌaɪəlˌəʊmtɐplˈeɪziə], \n_ˈɛ_k_ɹ_ə_t_ˌaɪ_z_ɪ_ŋ s_ˌaɪ_ə_l_ˌəʊ_m_t_ɐ_p_l_ˈeɪ_z_iə]\
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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)