ERG and OCT findings of a patient with a clinical diagnosis of occult macular dystrophy in a patient of Ashkenazi Jewish descent associated with a novel mutation in the gene encoding RP1L1

Norman Saffra, Carly Jane Seidman, Aleksandr Rakhamimov, Stephen H. Tsang

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A 57-year-old man with a past medical history of diabetes presented for consultation with a several year history of slowly progressive vision loss in both eyes, which continued to deteriorate over 7 years of follow-up. Multimodal imaging was performed and was significant for the following: on spectral domain optical coherence tomography, a gap lesion was present in the ellipsoid layer, beneath the umbo, as well as subtle macular changes on auto fluorescence imaging. Multifocal electroretinography was performed and was abnormal, and a clinical diagnosis of occult macular dystrophy was made. The patient was subsequently evaluated with genetic testing that revealed a novel p.P73S:c 217C>T nonsense mutation within the retinitis pigmentosa 1-like-1 (RP1L1) gene. The clinical significance of the identified variation will require further investigation.

Original languageEnglish
Article number218364
JournalBMJ Case Reports
Volume2017
DOIs
StatePublished - 2017
Externally publishedYes

Keywords

  • Macula
  • Retina

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