Bilateral Squamous Cell Carcinoma in Right Nasal and Left Temporal Conjunctiva

Purpose: to describe a case of bilateral squamous cell carcinoma in right nasal and left temporal conjunctiva, simulating bilateral pterygiumcase report: a reddish fibrovascular pterygium-like lesion was observed in the nasal side of bulbar conjunctiva on the right eye and temporal conjunctiva of the left eye. medical examination did not reveal any coexistent malignancy elsewhere. excisional biopsy showed squamous cell carcinoma (scc) insitu. topical mitomycin c (0.02%) one drop 4 times daily was applied postoperatively. the outcome of the treatment was excellent.conclusion: bilateral pterygium-like lesion especially in the exposed area of conjunctiva to sunlight may be a malignant lesion; so early excisional biopsy with supplement of mitomycin c results in long time relief without systemic involvement or recurrences