Graphite foreign body of the conjunctiva simulating melanoma.

A case of a growing vascular pigmented mass of the conjunctiva resembling a melanoma in a patient with a history of a pencil injury to the eye is presented. The lesion was surgically removed and histopathologically found to be a graphite foreign body granuloma. In the differential diagnosis of enlarging pigmented conjunctival lesions, graphite foreign body granuloma should be considered.