Background/purpose: To report a case of crystalline retinopathy following high-dose tamoxifen use in a pediatric patient.
Methods: Observational case report.
Results: A 6-year-old boy with history of more than 80-g cumulative tamoxifen use over 25 months for the treatment of atypical teratoid/rhabdoid tumor of the posterior fossa presented with a 4-month history of blurred vision. Fundus examination demonstrated multiple superficial foveal refractile opacities in each eye, and spectral optical coherence tomography revealed numerous punctate hyperreflective deposits located within the inner retina. These findings were suggestive of tamoxifen retinopathy.
Conclusion: To our knowledge, this is the first report of multimodal retinal imaging of tamoxifen retinopathy in a pediatric patient. Given the risk of permanent vision loss, ophthalmic baseline screening and monitoring should be considered for children receiving tamoxifen.
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