An association between bilateral keratoconus in a patient with spondyloocular syndrome and xylosyltransferase II gene mutation

An association between bilateral keratoconus in a patient with spondyloocular syndrome and xylosyltransferase II gene mutation

Spondyloocular syndrome (SOS) is a rare autosomal-recessive disorder. Since 2015, SOS has been linked to mutations in xylosyltransferase II (XYLT2) locus. Phenotypic features could affect multiple systems, such as sight, hearing, or bones. Herein, we report a case of SOS with multiple bone fractures...

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Bibliographic Details
Main Authors: Sara Fathi-Nieto, Rodrigo Butrón-Ruiz, Enrique García-Soler, Ana Hervás-Ontiveros, Amparo Ortiz-Seller
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2022-01-01
Series:Oman Journal of Ophthalmology
Subjects:
cataract
corneal ectasia
keratoconus
spondyloocular syndrome
xylosyltransferase ii
Online Access:http://www.ojoonline.org/article.asp?issn=0974-620X;year=2022;volume=15;issue=3;spage=385;epage=388;aulast=Fathi-Nieto
Description
Summary:Spondyloocular syndrome (SOS) is a rare autosomal-recessive disorder. Since 2015, SOS has been linked to mutations in xylosyltransferase II (XYLT2) locus. Phenotypic features could affect multiple systems, such as sight, hearing, or bones. Herein, we report a case of SOS with multiple bone fractures without trauma, bilateral cataracts, and sensorineural hearing loss. Mutations in XYLT2 gene were detected, and the diagnosis of SOS was made. At the age of 8, the patient presented with progressive vision loss. Slit-lamp examination revealed inferior steepening, apical scarring, and thinning of the cornea. Due to keratoconus suspicion, a corneal tomography was done, confirming the diagnosis of keratoconus. We present the first case of bilateral keratoconus in a patient with SOS.
ISSN:0974-620X

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