Evaluation of the Oncoral® Test in Epidermoid Carcinomas of the Upper Aerodigestive Tract

The patient rinses his oral cavity for 2 minutes. Then he screws lid back onto a beaker. The investigator holds the beaker straight so that the end of the aspiration mouth is dipped into the liquid. Then, the investigators takes 2 tubes and pushes them one after the other down on the opening of the beaker. The tubes should fill by themselves. The tubes can't be kept more than eleven days and are send to the Clinident Institute for the analysis.