Correlation of " in vivo" microcirculation and degeneration of the basal cells of the epithelium in lingual lichen planus

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Abstract

Background: Oral lichen planus is an inflammatory chronic disease with an autimmune pathogenesis and unknown etiology that affects oral mucosa, with or without the involvement of the skin and other mucous membranes. The principal histological characteristics are the degeneration of the basal cell layer and the abnormal infiltration of inflammatory cells into the subepithelial layer of connective tissue.Objectives: This study is aimed to appraise if lingual lichen planus (LLP) is sustained by alteration of the oral microcirculation and if this abnormal vascularisation increases the degeneration of basal keratinocytes and the disruption of the basement membrane.Materials and Methods: Fifteen patients with a histological diagnosis of LLP with higher degree of degeneration of the basement membrane, fifteen LLP patients with lower degree of basement membrane (BM) degeneration and fifteen healthy patients were included in the study. The microcirculation of the left margin of the lingual mucosa of all the patients and subjects was analysed with the videocapillaroscopy. The following parameters were analyzed on each capillaroscopic image: c0 apillary loop length, loop diameter, and capillary density. The results obtained by videocapillaroscopy software were subjected to statistical analysis using Mann Whitney U-test (P < 0.001). Statistical analysis was performed using PAST software, v. 1.53.Results: Capillary density, loop length, and total diameter showed statistically significant differences between LLP patients with histologically lower degree of BM degeneration and healthy subjects and a meaningful significant difference between LLP patients with higher degree of BM degeneration.Conclusions: A remarkable increase in capillary density was showed by videocapillaroscopic exam. The increased value of the density could be associated with angiogenesis mechanism and it could be an indicator of the evolutionary condition of LLP. Videocapillaroscopy may be useful for the evaluation of the evolution or regression of the disease.
Lingua originaleEnglish
pagine (da-a)407-411
Numero di pagine5
RivistaIndian Journal of Dental Research
Volume2009
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

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