Abstract
We present a case of a heavily pigmented ocular surface squamous neoplasia (OSSN) in a healthy 58-year-old male with a history of chronic sun exposure. The lesion was 4 mm × 3 mm in size and located in the nasal limbus. Its surface was irregular and pigmented with feeder vessels. Excision biopsy with cryotherapy was done and 0.04% mitomycin was also applied using sponges for 2 min. Topical mitomycin C 0.05% was given in four cycles over the course of 2 months. Histopathology revealed stage 3 conjunctival intraepithelial neoplasia with tumor-free margins. Three months postoperatively, the patient was asymptomatic with an acceptable cosmetic outcome. We report this uncommon case of OSSN which was heavily pigmented, its treatment, and follow-up.
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