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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
ORIGINAL ARTICLE Table of Contents   
Year : 2014  |  Volume : 18  |  Issue : 4  |  Page : 32-38
A phase contrast cytomorphometric study of squames of normal oral mucosa and oral leukoplakia: Original study


1 Department of Oral Pathology, Government Dental College and Hospital, Srinagar, Jammu and Kashmir, India
2 Department of Oral Pathology, Krishnadevaraya College of Dental Sciences, Bangalore, Karnataka, India

Correspondence Address:
Afreen Nadaf
Department of Oral Pathology, Government Dental College and Hospital,Shreen Bagh, Srinagar - 190 010, Jammu and Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-029X.141339

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Oral leukoplakia represents the most common potentially malignant oral disorder, representing 85% of such lesions. The worldwide prevalence of leukoplakia is 1.5- 4.3%. Leukoplakia is often associated with carcinogenic exposures, such as from use of tobacco, alcohol or betel nut. The level of risk for malignant transformation of leukoplakia is associated with lesion histology. The overall malignant transformation rates for dysplastic lesions range from 11% to 36%, depending on the length of follow-up. Exfoliative cytology is a simple and minimally invasive method. Phase contrast microscope, an essential tool in the field of biology and medical research provides improved discrimination of cellular details. Aims: To study and compare the cytomorphological and cytomorphometric features of squames obtained from the mucosa of normal individuals, tobacco habituates with and without clinically evident leukoplakia. To assess the role of phase contrast microscopy as an alternative and easy method of cytological evaluation of wet and unstained smears. Materials and Methods: Fifty cases from each group were taken. Fixed, unstained smears were viewed under phase contrast microscope and were evaluated morphologically and morphometrically for nuclear and cellular diameters. Results: The study showed a significant increase in the mean nuclear diameter and decrease in the mean cellular diameter. Conclusion: Cytomorphometric changes could be the earliest indicators of cellular alterations. This indicates that there could be a cause-effect relationship between tobacco and quantitative alterations.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007