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. Author manuscript; available in PMC: 2019 Jul 8.
Published in final edited form as: Clin Exp Ophthalmol. 2018 Nov 13;47(2):193–200. doi: 10.1111/ceo.13382

FIGURE 5.

FIGURE 5

Anterior segment optical coherence tomography (AS-OCT) images of non-invasive and invasive ocular surface squamous neoplasia (OSSN). (a) AS-OCT image demonstrating epithelial thickening and hyper-reflectivity, as well as sub-epithelial hyper-reflectivity (arrow) possibly suggestive of deeper invasion; however, the tumour was subsequently found to be non-invasive OSSN on biopsy. (b) AS-OCT image demonstrating epithelial thickening and only mild hyper-reflectivity, subsequently found to be invasive OSSN on biopsy. No definitive features were seen on AS-OCT that could predict invasive disease