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Comparison of three prognostic indexes in differentiated thyroid cancer
F Bolaños Gil de Montes1, H Durón Huerta, M González Ortiz
1Department of Endocrinology, Centro Médico de Occidente (CMO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.
Abstract:
We investigated epidemiological data and correlation coefficient among three prognostic indexes (TNM, AGES and DeGroot's) in 82 patients with differentiated thyroid carcinoma (mean age: 41.7 +/- 16.6 years and sex ratio F8:M1). Seventy eight cases (95.1%) had papillary and 4 (4.8%) follicular carcinoma. Surgical complications were: vocal cord paralysis 7 cases (8.4%), hypoparathyroidism 10 cases (12.2%) and both in four cases (4.8%). We did not find surgical complications in patients subjected to main limited procedures. After a follow up of 54.5 +/- 44.5 months one patient was dead due to thyroid cancer (1.2%) and 2 patients had tumor relapse (2.4%). We found positive correlation between TNM and AGES, AGES and DeGroot and DeGroot's and TNM indexes, with concordance between them (k = 0.2281, p = 0.001). In our series, follicular cancer prevalence is lower than literature reports. Our results suggest that TNM, DeGroot's and AGES indexes may have similar prognostic value in differentiated thyroid cancer.