1. Role of optical coherence tomography angiography in the characterization of vascular network patterns of ocular surface squamous neoplasia

    Role of optical coherence tomography angiography in the characterization of vascular network patterns of ocular surface squamous neoplasia

    Purpose To visualize and quantify vascular networks in individuals with ocular surface squamous neoplasia (OSSN) through optical coherence tomography angiography (OCTA). Method Cross-sectional study of OSSN patients. Vascular networks were measured by OCTA in the epithelium and sub-epithelial space in the tumors, adjacent tissue, and in the contralateral eye. Vessel area density (VAD, percent of blood vessels within 2.14 mm 2 ), was calculated for each location. Total tumor density (TTD, percent of blood vessels within the entire tumor) was calculated. VAD was assessed separately for corneal and conjunctival locations and compared. Results Fifteen patients with OSSN were included. The ...

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