Autosomal dominant nonsyndromic hearing loss 6

WFS1 Wolfram syndrome spectrum disorder (WFS1-WSSD) is a progressive neurodegenerative disorder characterized by onset of diabetes mellitus (DM) and optic atrophy (OA) before age 16 years, and typically associated with other endocrine abnormalities, sensorineural hearing loss, and progressive neurologic abnormalities (cerebellar ataxia, peripheral neuropathy, dementia, psychiatric illness, and urinary tract atony). Although DM is mostly insulin-dependent, overall the course is milder (with lower prevalence of microvascular disease) than that seen in isolated DM. OA typically results in significantly reduced visual acuity in the first decade. Sensorineural hearing impairment ranges from congenital deafness to milder, sometimes progressive, hearing impairment.

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