AI Article Synopsis

  • A 4-year-old boy was diagnosed with Joubert syndrome type 6, showing unusual eye features like right microphthalmia and left eye nystagmus.
  • The diagnosis was confirmed through whole exome sequencing, which identified a specific genetic variant causing the condition.
  • This case highlights rare ocular symptoms associated with Joubert syndrome, enhancing understanding of its complex effects on vision and the nervous system.*

Article Abstract

Purpose: To describe unique ocular features in a child with Joubert syndrome type 6.

Observations: A 4-year-old male patient presented with right microphthalmia and non-dilating pupil and left primary position nystagmus. Brain MRI revealed a "molar tooth sign" of the midbrain and a "batwing sign" of the fourth ventricle along with large retroorbital cysts bilaterally. The diagnosis of autosomal recessive Joubert syndrome type 6 due to homozygous pathogenic variant c.725A > G p. (Asn242Ser) in gene was confirmed by whole exome sequencing. Left eye had nystagmus and the left optic nerve and retina showed epipapillary and subretinal fibrosis, respectively. Scleral buckle was performed for left non-rhegmatogenous retinal detachment which then improved and has been stable.

Conclusions And Importance: We present a rare case of JS with some unique ophthalmic features which expand clinical knowledge on this complex systemic and ocular entity.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11253217PMC
http://dx.doi.org/10.1016/j.ajoc.2024.102091DOI Listing

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