Although it is well known that a variety of pediatric ocular diseases may clinically resemble retinoblastoma, perhaps of more concern is when the actual tumor mimics seemingly benign ocular lesions. The authors present two cases of retinoblastoma with a Coats' response as evidence of the challenge often encountered in evaluating intraocular malignancies. The cases further emphasize the need for retaining a high level of clinical suspicion for more malicious diseases, often using repeated fundus evaluations when a diagnosis remains ambiguous.
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