MedGen

Any autosomal dominant nonsyndromic deafness in which the cause of the disease is a mutation in the MYH9 gene. [from MONDO]

X-linked retinitis pigmentosa and sinorespiratory infections with or without deafness (RPSRDF) is characterized by typical features of RP, including night blindness, constricted visual fields, progressive reduction in visual acuity, bone-spicule pigmentation, and extinguished responses on electroretinography. Affected individuals also experience severe recurrent sinorespiratory infections, and some develop progressive hearing loss. Carrier females may show an attenuated ocular and/or respiratory phenotype (Zito et al., 2003; Moore et al., 2006). [from OMIM]

Any autosomal dominant nonsyndromic deafness in which the cause of the disease is a mutation in the GJB3 gene. [from MONDO]

Pettigrew syndrome is characterized by mental retardation and highly variable additional features, including choreoathetosis, hydrocephalus, Dandy-Walker malformation, seizures, and iron or calcium deposition in the brain, both between and within families (summary by Cacciagli et al., 2014). See 311510 for another X-linked mental retardation syndrome associated with basal ganglia disease (Waisman syndrome). See 220219 for another mental retardation syndrome with Dandy-Walker malformation. [from OMIM]

X-linked deafness-4 is a nonsyndromic form of progressive hearing loss with postlingual onset. Affected males show earlier onset of hearing loss than affected females (summary by del Castillo et al., 1996). [from OMIM]

Autosomal dominant deafness-7 (DFNA7) is a form of progressive sensorineural hearing loss with highly variable age at onset and severity, even within families. The age at onset ranges from congenital to mid-adulthood. Some patients may have associated vertigo (summary by Wesdorp et al., 2018). [from OMIM]

Mulvihill-Smith syndrome is characterized by premature aging, multiple pigmented nevi, lack of facial subcutaneous fat, microcephaly, short stature, sensorineural hearing loss, and mental retardation. Immunodeficiency may also be a feature. Adult manifestations include the development of tumors, a sleep disorder with severe insomnia, and cognitive decline (summary by Yagihashi et al., 2009). [from OMIM]

Combined oxidative phosphorylation deficiency-55 (COXPD55) is characterized by global developmental delay, hypotonia, short stature, and impaired intellectual development with speech disabilities in childhood. Indolent progressive external ophthalmoplegia phenotype has been described in 1 patient (summary by Olahova et al., 2021). For a discussion of genetic heterogeneity of combined oxidative phosphorylation deficiency, see COXPD1 (609060). [from OMIM]

A type of hearing impairment affecting primarily the higher frequencies of sound (3,000 to 6,000 Hz). [from HPO]