Atypical and ultra-rare Usher syndrome: a review.

Abstract:

:Usher syndrome has classically been described as a combination of hearing loss and rod-cone dystrophy; vestibular dysfunction is present in many patients. Three distinct clinical subtypes were documented in the late 1970s. Genotyping efforts have led to the identification of several genes associated with the disease. Recent literature has seen multiple publications referring to "atypical" Usher syndrome presentations. This manuscript reviews the molecular etiology of Usher syndrome, highlighting rare presentations and molecular causes. Reports of "atypical" disease are summarized noting the wide discrepancy in the spectrum of phenotypic deviations from the classical presentation. Guidelines for establishing a clear nomenclature system are suggested.

journal_name

Ophthalmic Genet

journal_title

Ophthalmic genetics

authors

Nolen RM,Hufnagel RB,Friedman TB,Turriff AE,Brewer CC,Zalewski CK,King KA,Wafa TT,Griffith AJ,Brooks BP,Zein WM

doi

10.1080/13816810.2020.1747090

subject

Has Abstract

pub_date

2020-10-01 00:00:00

pages

401-412

issue

5

eissn

1381-6810

issn

1744-5094

journal_volume

41

pub_type

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