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Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa)

versão impressa ISSN 1698-4447

Resumo

DINIZ FREITAS, Márcio et al. Applications of exfoliative cytology in the diagnosis of oral cancer. Med. oral patol. oral cir. bucal (Ed.impr.) [online]. 2004, vol.9, n.4, pp.355-361. ISSN 1698-4447.

Exfoliative cytology is a simple non-aggressive technique that is well accepted by the patient, and that is therefore an attractive option for the early diagnosis of oral cancer, including epithelial atypias and especially squamous cell carcinoma. However, traditional exfoliative cytology methods show low sensitivity (i.e. a high proportion of false negatives) in the diagnosis of these pathologies. This low sensitivity is attributable to various factors, including inadequate sampling, procedural errors, and the need for subjective interpretation of the findings. More recently, the continuing development of automated cytomorpho-metric methods, DNA content determination, tumour marker detection, and diverse molecular-level analyses has contributed to renewed interest in exfoliative cytology procedures for the diagnosis of oral cancer. The present study briefly reviews developments in these areas.

Palavras-chave : Oral cancer; exfoliative cytology; cytomorphology; DNA analysis; tumour markers; molecular analysis.

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