Assessing the patient at risk for oral squamous cell carcinoma

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Abstract
Patients and health care workers require continuing education to promote knowledge of the signs, symptoms, and risk factors for oral cancer. This paper reviews the literature assessing diagnostic tools that are currently available or being developed, in order to assist in the biopsy site selection and subsequent diagnosis of patients at risk for oral cancer. There is a general consensus that oral examination of patients at risk for oral squamous cell carcinoma (SCC) should be conducted on a routine basis. However, there can be false‐positive and false‐negative findings. Toluidine blue has been shown to be useful as an adjunct to the clinical examination when used by experienced clinicians. Exfoliative cytology is not currently used as a routine measure for the evaluation of lesions of the oral mucosa, but further development and the application of biologic markers to cytologic specimens may increase its value. Fluorescent imaging of malignant lesions of the oral mucosa has been shown to be sensitive and specific in animal models but thus far has been reported in only one human trial. The sensitivity and specificity of these techniques when used by general practitioners need to be assessed. Further, none of the above procedures has yet been shown to be a cost‐effective public health measure in screening for oral cancer.