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Clinical findings of case 1. (A) Clinical image shows pseudohypopyon in the left eye. (B) B-scan ultrasonography demonstrates a hyperechoic intraocular mass with calcification. (C) Histopathological examination (H&E stain, 100×) reveals poorly differentiated tumor cells, confirming the diagnosis of retinoblastoma. (D) Postoperative CT scan of the orbit shows a thickened left optic nerve (arrow). CT = computed tomography, H&E = hematoxylin and eosin.
