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Revista de la Asociación Odontológica Argentina
On-line version ISSN 2683-7226
Abstract
PIEMONTE, Eduardo D; GILLIGAN, Gerardo M; LAZOS, Jerónimo P and PANICO, René L. Toluidine blue guided biopsy of dysplastic lesions of the oral mucosa. Clinical cases report. Rev. Asoc. Odontol. Argent. [online]. 2021, vol.109, n.1, pp.49-58. Epub Apr 15, 2021. ISSN 2683-7226. http://dx.doi.org/10.52979/raoa.1103.
Aim:
Potentially Malignant Disorders in the oral cavity can present dysplastic areas. In these cases, the biopsy is an essential procedure for a correct diagnosis. Visual inspection and palpation, are adequate methods to select the area for the biopsy, however there is margin for improvement. The objective of this article is to present a series of clinical cases in which the use and interpretation of vital staining with Toluidine Blue is described as a complementary method to contribute to a better choice of the biopsy area.
Clinical cases:
Seven clinical cases that presented lesions with suspected epithelial dysplasia in the oral mucosa were presented. The correlation of the stained areas with the clinical manifestations and with the diagnosis of dysplasia is detailed in each case. Staining patterns considered false positives are also shown. In the interpretation of the positive staining, the superficial appearance and color of the stained lesion were considered. The combined use of inspection, palpation and vital staining could constitute a useful comprehensive procedure to obtain greater precision in determining the biopsy site in relation to the same procedures applied individually. In the interpretation of the positive staining with Toluidine Blue, the superficial appearance and color of the stained lesion should be considered.
Keywords : Biopsy; early detection of cancer; precancerous conditions; squamous cell carcinoma of head and neck; tolonium chloride.