Congenital proptosis secondary to orbital teratoma. Clinicopathological study.

CASE REPORT: A newborn male with right proptosis secondary to a retroocular mass. Ophthalmological examination also showed corneal ulcer and perforation, iris hernia, total ophthalmoplegia, chemosis and eyelid retraction. The histopathology diagnosis was mature teratoma.

DISCUSSION: Teratomas are tumors composed of a mixture of mature tissues consisting of 3 germ layers. Congenital teratomas of the orbit are very rare and should be included as a possibility in cases with a primary tumor in the orbit.