Glioneuroma of iris and ciliary body

A 20-year-old woman was noted to have progressive cataractous changes in the left eye for two years. Ophthalmic examination showed a yellow-pink mass in the iris root (between the 8- to 10- o'clock positions, facing the patient). No associated colobomatous defect was present. A sector iridectomy with partial cyclectomy was performed. Histopathologically the mass, which was composed of an admixture of glial cells and neurons, was diagnosed as glioneuroma. It was believed the tumor had been incompletely excised at the posterior margin of surgical resection. No additional therapy was instituted. When the patient was reexamined 6 1/2 years later, the residual mass remained unchanged. Four previously reported cases of glioneuromas of the iris and ciliary body are summarized.