Epibulbar osseous choristoma within a dermolipoma: case report and literature review

A healthy 18-year-old girl presented with a superotemporal epibulbar mass that was present since birth. Computed tomography revealed a cystic mass with fat-like low-density and a central oval-shaped mass that was isodense to the bone in the superotemporal region of the globe. Histopathology of the excised tumour revealed osseous choristoma and dermolipoma. Our review of literature yielded nine reported cases of epibulbar osseous choristoma within a dermolipoma and we reviewed these cases.