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Twins with senior-Loken syndrome
S Giridhar1, R Padmaraj, Prabha Senguttuvan
1Department of Pediatric Nephrology, Institute of Child Health and Hospital for Children, Egmore, Chennai 600008, India.
Indian Journal of Pediatrics
|November 28, 2006
Summary
Senior-Loken syndrome, a rare genetic disorder, links juvenile nephronophthisis with retinal dystrophy. Early ophthalmic exams in children with kidney failure are crucial for diagnosing this progressive condition.
Area of Science:
- Nephrology
- Ophthalmology
- Genetics
Background:
- Senior-Loken syndrome is a rare autosomal recessive disorder.
- It is characterized by the clinical triad of juvenile nephronophthisis and retinal dystrophy.
- The renal disease progresses to end-stage renal disease, necessitating renal replacement therapy.
Observation:
- This report details a case of Senior-Loken syndrome in twins.
- The twins presented with symptoms indicative of the syndrome.
- Ophthalmic examinations were performed as part of the diagnostic workup.
Findings:
- The electroretinogram (ERG) is a valuable tool for diagnosing the specific type of retinal dystrophy.
- Retinal dystrophy can manifest as Leber congenital amaurosis or retinitis pigmentosa.
- The case highlights the genetic link and shared clinical presentation in affected siblings.
Implications:
- Emphasizes the critical role of comprehensive ophthalmic evaluation in pediatric patients with unexplained renal failure.
- Early diagnosis through combined renal and ocular assessments can facilitate timely management and genetic counseling.
- Understanding the phenotypic variability is key for accurate diagnosis and prognosis in Senior-Loken syndrome.
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