A 45-year-old man presented to the ophthalmology department with visual symptoms in his left eye. Almost two decades ago, he required a renal transplant for focal segmental glomerular sclerosis and a detailed enquiry revealed a strong family history of renal and ocular disease. Fundus examination demonstrated significant optic disc dysplasia in his left eye and optical coherence tomography showed intraretinal fluid bilaterally. The diagnosis of papillorenal syndrome was suspected and genetic testing identified a heterozygous pathogenic variant in the PAX2 gene c.76dupG, p.Val26Glyfs*28, confirming the diagnosis. The patient was treated conservatively, and his vision eventually improved and stabilised. His renal disease and transplant were concurrently monitored by nephrologists. In this case, history-taking and ophthalmic examination raised suspicion of this rare systemic condition, which led to genetic testing and molecular confirmation of the diagnosis. We therefore highlight this case to raise awareness of papillorenal syndrome, which has significant systemic implications and also impacts familial screening and genetic counselling.
- genetic screening / counselling
- chronic renal failure
- renal transplantation
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Correction notice This article has been corrected since published online. The authors' names have been changed from "Samantha De Silva" and "Mandeep Bindra" to "Samantha R De Silva" and "Mandeep S Bindra". Also, the spelling "Funduscopy" has been corrected to "Fundoscopy".
Contributors BN, SDS and MB contributed to the planning of this case report. BN obtained consent from the patient, and drafted the initial manuscript. SDS and MB provided relevant images, interpretation of investigations and critical revision to the manuscript. Our institute, Stoke Mandeville Hospital, is a part of Buckinghamshire Healthcare NHS Trust, the institute that is a Fellow of BMJ Case Reports.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer-reviewed.