Squamous cell carcinoma of the conjunctiva

A 60 year old lady presented with squamous carcinoma of the conjuctiva that extended onto the cornea. She had keratoconjuctivectomy combined with cryotherapy to the scleral bed, No recurrence occurred. The fact that she had a pterygium removed 12 years ago at the same site, is discussed in the light of recent thoughts of the probable role of UV radiation in the causation of both conditions