Usefulness of four prognostic indices in differentiated thyroid cancer.

Objective: To report the follow up of 82 patients with differentiated thyroid cancer in order to evaluate patients' clinical and tumor characteristics of prognostic value.

Patients And Methods: A prospective and comparative study was performed in 82 patients with differentiated thyroid cancer followed for a mean of 84 months. They were classified and included into four prognostic indices (pTNM, DeGroot's, AGES and NTCTCS) stages I and II were considered as a low risk ones and stages III and IV as a high risk group.