X: variable used in defining risk group.
–: variable not used.
References:
- Byar DP, Green SB, Dor P, et al. A prognostic index for thyroid carcinoma: A study of the E.O.R.T.C. Thyroid Cancer Cooperative Group. Eur J Cancer 1979; 15:1033.
- Hay ID, Grant CS, Taylor WF, et al. Ipsilateral lobectomy versus bilateral lobar resection in papilliary thyroid carcinoma: A retrospective analysis of surgical outcome using a novel prognostic scoring system. Surgery 1987; 102:1088.
- Cady B, Rossi R. An expanded view of risk-group definition in differentiated thyroid carcinoma. Surgery 1988; 104:947.
- Hay ID, Bergstralh EJ, Goellner JR, et al. Predicting outcome in papillary thyroid carcinoma: Development of a reliable prognostic scoring system in a cohort of 1779 patients surgically treated at one institution during 1940 through 1989. Surgery 1993; 114:1050.
- Mazzaferri EL, Jhiang SM. Long-term impact of initial surgical and medical therapy on papillary and follicular thyroid cancer. Am J Med 1994; 97:418.
- Shaha AR, Loree TR, Shah JP. Prognostic factors and risk group analysis in follicular carcinoma of the thyroid. Surgery 1995; 118:1131.
- Sherman SI, Brierley JD, Sperling M, et al. Prospective multicenter study of thyroid carcinoma treatment: initial analysis of staging and outcome. National Thyroid Cancer Treatment Cooperative Study Registry Group. Cancer 1998; 83:1012.
- AJCC Cancer Staging Manual. 8th edition. New York: Springer; 2017.
Reproduced and updated by permission from: Cancer Control: Journal of the Moffitt Cancer Center. Dean DS, Hay ID. Prognostic indicators in differentiated thyroid carcinoma. Cancer Control 2000; 7:229. Copyright © 2000.