Abstract
Purpose
To evaluate the cytologic features of conjunctival epithelium in patients with unilateral primary acquired nasolacrimal duct obstruction (PANDO) using impression cytology.
Methods
Twenty-four patients with unilateral PANDO for at least 1 year were enrolled in this study. The healthy eyes of the patients are assessed as control group. All patients were subjected to ophthalmic surface examination with conjunctival impression cytology analysis. Squamous metaplasia and goblet cell density were graded according to Nelson grading system.
Results
The mean age was 52.7 ± 16.3 (range 21–70) years. The mean period for complaints of epiphora was 3.2 ± 2.4 (range 1–8) years. The eye with PANDO had a mean squamous metaplasia grade of 2.38 ± 0.59 versus 1.91 ± 0.82 for control eyes (p = 0.011). The mean grade of goblet cell density was 2.0 ± 0.51 for eyes with PANDO and 2.38 ± 0.65 for control eyes (p = 0.013). There was no statistically significant correlation between conjunctival cytological features in terms of squamous metaplasia and goblet cell density grades and duration of epiphora complaint (r = −0.04, p = 0.82; r = 0.09, p = 0.66, respectively).
Conclusions
PANDO may cause alterations in conjunctival impression cytology. Successful dacryocystorhinostomy surgeries will help to protect ocular surface health.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Yuksel, N., Mutlu, M., Kilicarslan, A. et al. Conjunctival cytologic features in patients with unilateral primary acquired nasolacrimal duct obstruction. Int Ophthalmol 38, 323–326 (2018). https://doi.org/10.1007/s10792-017-0471-0
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DOI: https://doi.org/10.1007/s10792-017-0471-0