Journal of Cytology
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ORIGINAL ARTICLE
Year : 2018  |  Volume : 35  |  Issue : 1  |  Page : 8-14

Toluidine blue with a synergistic effect in morphological assessment of oral cytosmears


Department of Oral Pathology and Microbiology, Bapuji Dental College and Hospital, Davangere, Karnataka, India

Correspondence Address:
Dr. T V.N Ratna Kumari
Department of Oral Pathology and Microbiology, Bapuji Dental College and Hospital, Davangere - 577 004, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JOC.JOC_185_16

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Objectives: One percent toluidine blue being the most effective adjunct is often used to detect dysplasia. Not much attention has been given to the effect of toluidine blue in enhancement of cytological smears. The present study assessed the smears before and after application of toluidine blue in smokers against non-smokers using three different stains [Papanicolaou (PAP), Hematoxylin and Eosin (H and E), and Giemsa]. Study Design: Twenty-five individuals from each group participated in the study. The oral cytosmears were obtained before and after application of toluidine blue and assessed for clumping of squamous cells, cellular and nuclear pleomorphism, micronuclei, binucleation, bacterial colony units, and keratin flakes. Results: In smokers, the maximum enhancement in cytological smears post-toluidine blue application was shown by Giemsa stain than PAP and H and E stains. Among the individual parameters, nuclear pleomorphism exhibited greatest significant difference between smokers and non-smokers. Conclusion: Toluidine blue enhanced the staining characteristics both in terms of sensitivity and specificity and thereby was found to be synergistic in assessment of cytosmears. The cellular alterations noticed in the smears of smokers with clinically normal buccal mucosa can be used as a means of education tool in counselling for smoking cessation.


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