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Subconjunctival cysts following silicone oil injection: a clinicopathological study of five cases
J Biswas1, P S Bhende, L Gopal
1Medical and Vision Research Foundation, Chennai, India. MDSAAA35@giasmd01.vsnl.net.in
Purpose:
To study the occurrence, risk factors and management of subconjunctival cysts formed following the use of intraocular silicone oil as a tamponade.
Methods:
We analyzed 5 cases of single and multioculated subconjunctival oil cysts between 1986 and 1996.
Results:
Cysts were observed 15 days to 4 months following silicone oil injection. Clinically they showed minimal inflammatory signs but histopathology of removed cysts showed emulsified silicone oil globules with chronic inflammatory cellular infiltration.
Conclusion:
Though silicone oil is considered to be nontoxic, it can cause chronic inflammation when spilled into the subconjunctival space.