Article
Genetics of Retinoblastoma: An Overview and Significance of Genetic Testing in Clinical Practice
29 Aug 2025
Abstract excerpt
Retinoblastoma is a rare but malignant pediatric retinal tumor, affecting 1 in 15,000–20,000 live births annually. It arises from biallelic mutations in the RB1 tumor suppressor gene (chromosome 13q14.2), leading to uncontrolled cell cycle progression. Clinically, it presents as unilateral (60%) or bilateral (40%) disease, with leukocoria and strabismus as hallmark signs. Untreated, retinoblastoma is fatal due to...
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