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Revista Archivo Médico de Camagüey

versión On-line ISSN 1025-0255


PEREZ TORRES, Lepzimilet et al. Morphometric parameters of the mucosa in patients that carry oral leukoplakia with epithelial dysplasia. AMC [online]. 2013, vol.17, n.4, pp. 468-478. ISSN 1025-0255.

Background: oral leukoplakia is the most frequent premalignant lesion; it can appear with epithelial dysplasia that is the most important feature of its various histopathological changes. Morphometric and stereological methods allow complementing the conventional histopathological analysis of epithelial dysplasia. Objective: to characterize the lesions of the mucosa with oral leukoplakia according to the degree of epithelial dysplasia through morphometric and stereological indicators. Method: a descriptive, observational study was conducted. The universe was composed of 68 biopsies from patients with a histopathological and clinical diagnosis of leukoplakia; the sample was composed of 15 biopsies from patients with dysplastic leukoplakias in which morphometric and stereological parameters were analyzed. Results: it was found that as the degree of epithelial dysplasia becomes greater, the more the height of the epithelial crest and the height of the epithelium rise. The average value and its standard deviation of the shape factor in minor dysplasia was of 0.86 ± 0.08, in moderate dysplasia was of 0.88 ± 0.09, and in serious dysplasia was of 0.85 ± 0.11. As the dysplasia becomes greater, the average and the standard deviation of the nuclear volume and the density of epithelial nuclear profile decrease. Conclusions: from the analysis of the variables through this investigation, we can suggest the study and evaluation of the possibility of the existence of a model of nuclear volume-nuclear profile-height of the epithelium relation, as an instrument to determine the behavior of dysplasia.


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