PURPOSE:: To investigate the association between recurrence of conjunctival papillomas and presence of atypical epithelial changes in patients undergoing surgical excision for conjunctival papilloma. METHODS:: We retrospectively reviewed 1,195 ophthalmic pathology specimens from 2004 to 2014 at Ichikawa General Hospital. Pathologic specimens of 5 patients with a final diagnosis of “conjunctival papilloma” were stained with hematoxylin–eosin, Ki 67, p53, human papillomavirus (HPV) 16 and 18 antibodies. RESULTS:: Of 1,195 patients, 5 patients (4 men, 1 woman; age range: 27∼57 years, mean age: 38.4 years) had a diagnosis of conjunctival papilloma, which constituted to 0.42% of the pathologic diagnosis made for the ophthalmology specimens. All specimens displayed multiple fronds of thickened conjunctival epithelium that enclosed cores of vascularized connective tissues. Three patients with recurrence after surgical excision demonstrated moderate to severe epithelial atypia, who also showed higher staining with Ki67 and p53 compared with patients with no recurrence. HPV16 and 18 antibodies staining did not appear to relate to recurrences. CONCLUSIONS:: Conjunctival papillomas with higher positive staining for Ki67 and p53 seem to have a higher risk of recurrence even after complete surgical excision and necessitate careful follow-up.
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