EPIBULBAR osteomas are rare isolated bony nodules occurring in the conjunctival or episcleral connective tissues in eyes which are otherwise normal. They are present at birth and there is frequently a history of increasing size. There is no known association with disorders of metabolism or with systemic osteogenic abnormalities.
The first case was described by von Graefe1 in 1863. Boniuk and Zimmerman2 reviewed the literature in 1962 and found 20 recorded cases and added six cases from the Armed Forces Institute of Pathology. Subsequently four additional cases3-5 have been reported for a total of 30.
Report of Cases
—A 10-year-old white girl had had a mass near the lateral canthus of the right eye since birth. The parents reported that it began to enlarge at about age 5 and that it was continuing to grow slowly. There was a history of a bright red hemorrhage
Roch LM, Milauskas AT. Epibulbar Osteomas. Arch Ophthalmol. 1968;79(5):578–579. doi:10.1001/archopht.1968.03850040580015
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