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Introduction: Tuberous sclerosis complex (TSC) is a rare hereditary phakomatosis. The clinical features can include benign growths in the central nervous system, tumors of various visceral organs, and retinal or optic disc astrocytic hamartomas in the nerve fiber layer. Here we present the case of a child with known TSC developing Coats-like manifestations., Case Description: A 22-month-old girl with known TSC and retinal hamartoma followed since birth presented for the development of exotropia and leukocoria in the left eye. Fundus examination of the left eye showed blurred optic disc, macular star, and yellow retinal exudation in the temporal area. In addition, the left eye showed marked retinal vascular tortuosity and telangiectasias. The patient underwent brain and orbit magnetic resonance imaging, revealing heterotopic gray matter nodulations along ependyma of both lateral ventricles, with partial calcification, and a posterior flattening of the left eye., Conclusion: This report shows a rare case of Coats-like disease in a child with tuberous sclerosis. In case of presence of Coats' manifestations associated with atypical retinal or systemic findings, genetic diseases should be considered in the differential diagnosis.