FIG. 4. Microscopic examination shows immature neuroepithelial tissue (A), mature brain (asterisk) and peripheral nerve tissue (arrowhead) (B), intestinal tissue (black arrowheads), cartilage (white arrowheads) and simple cysts (asterisk) (C), and bone (D) consistent with an immature teratoma. All panels hematoxylin and eosin stains. A B, 40× magnification. C and D, 17× magnification. FIG. 5. Postoperative MRI and clinical photograph. A, Short Tau inversion recovery axial MRI of the orbits showing resolution of right proptosis with stable mild heterogeneity in the orbit and no evidence of local tumor recurrence. B, Clinical photograph of the child at age 5 months with aligned eyes and normal vision.