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Isabella T. Phan, Michele M. Bloomer, Bennie Jeng, Stephen McLeod, Alan Lowinger; The Rate Of Ocular Surface Squamous Neoplasia Among Pterygia. Invest. Ophthalmol. Vis. Sci. 2011;52(14):3373.
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© ARVO (1962-2015); The Authors (2016-present)
To determine the rate of ocular surface squamous neoplasia (OSSN) among pterygium specimens.
Retrospective review of histopathologic slides. All histopathologic specimens from 1989-2009 with a clinical diagnosis of pterygium were reviewed. Specimens were evaluated for presence and grade of dysplasia.
A total of 288 specimens were included. The rate of any dysplasia was 2.1% (n=6). All dysplasia was low-grade. There were no cases of high-grade dysplasia or squamous cell carcinoma.
The rate of dysplasia among pterygium samples in San Francisco is 2.5%. Given the rate of unsuspected dysplasia among pterygia, all pterygium specimens should be submitted for histopathologic evaluation.
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