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Clinicopathologic correlation of ocular surface squamous neoplasia from a university hospital in North Taiwan 1994 to 2014.

BACKGROUND/PURPOSE: To describe the clinical and histologic characteristics of ocular surface squamous neoplasia (OSSN) and evaluate factors significant in recurrence at a university hospital in North Taiwan.

METHODS: Patient charts, clinical features, and pathology records were retrospectively reviewed in patients with pathology-proved OSSN from January, 1994 to December, 2014. Clinicopathologic correlation was analyzed.

RESULTS: Thirty-six patients were recruited. Mean age was 63.4 ± 13.0 (ranging from 23 to 87) years old. OSSN was predominant in men (21/36). Clinical appearances included papilliform in 17 eyes, gelatinous in 11 eyes, leukoplakic in 3 eyes, and 5 eyes in corneal intraepithelial neoplasia (CIN). Of 31 conjunctival OSSN, there were 4 in CIN I, 11 in CIN II, 13 in CIN III, and 3 in squamous cell carcinoma. Superior location was associated with higher-grade OSSN. Although statistical analysis was not significant, papilliform and multifocal lesions showed a trend of high-grade OSSN. The stages of tumor were 4, 5, 26, and 1 eye(s) in T1 to T4, respectively. Recurrence of disease occurred in 9 cases (25%) with mean recurrence time of 20.6 (range: 4 to 65) months. Multifocal lesion has a higher tendency for recurrence.

CONCLUSION: Superior location was associated with high-grade OSSN, and papilliform OSSN might have a tendency of severe and invasive lesions. Multifocal lesions might be associated with higher-grade OSSN and higher recurrence rates.

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