PMC5015618_01
(A) A large vascular non-pigmented mass of the ciliary body, (B) optic nerve cupping and vascular attenuation are noted.
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PMC5015618_01_OC-04-03-g-001.jpg
F1
Examination under anesthesia showed left eye with mild corneal edema and shallow anterior chamber (Figure 1 (Fig. 1)).
(A) H&E staining of tumor showing Flexner-Wintersteiner rosettes; many mitotic figures can be seen. (B) Cellular mass extends from ciliary epithelium with multilayered cords, tubules, and sheets resembling primitive medullary epithelium.
OC-04-03-g-002.jpg
PMC5015618_01_OC-04-03-g-002.jpg
F2
The pathology reported neuroepithelial lesion with cords, tubules, and sheets arising from the medullary epithelium with mitotic activity most consistent with malignant medulloepithelioma (Figure 2 (Fig. 2)).