Prognostic significance of calcitonin immunoreactivity, amyloid staining, and flow cytometric DNA measurements in medullary thyroid carcinoma

Christopher M. Pyke, Ian D Hay, John R. Goellner, Erik J. Bergstralh, Jon A. van Heerden, Clive S. Grant

Research output: Contribution to journalArticle

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Abstract

The proven power of DNA ploidy to predict mortality risk in medullary thyroid carcinoma (MTC) may be weakened when analyzed in conjunction with calcitonin immunoreactivity (CI) and amyloid staining (AS) of tumors. In this study 12 prognostic variables, including DNA ploidy, CI, and AS, were studied in 65 patients with MTC (57 sporadic; mean age 51 years) treated during 1946 through 1970. Cause-specific mortality rates at 10 and 15 years were 15% and 26%, respectively. By univariate analysis, TNM stages III or IV (p < 0.0001), tumor unresectability (p < 0.0001), male sex (p = 0.019), negative AS (p = 0.032), and low CI (p = 0.033) were significant predictors of increased mortality rates. DNA ploidy (p = 0.058) and inheritance pattern (p = 0.25) were nonsignificant. By multivariate analysis, only TNM stage, tumor resectability, and AS were independently significant (p < 0.005). A prognostic model was created, based on presence or absence of these independent risk factors, and four risk groups were defined, capable of predictably defining mortality rates in MTC (p < 0.0001). The model requires validation in larger series and independent verification by others. However, we believe that a risk-group scheme for MTC based on AS, disease stage, and completeness of tumor resection may have wide applicability and prove relevant to clinicians treating this disease.

Original languageEnglish (US)
Pages (from-to)964-971
Number of pages8
JournalSurgery
Volume110
Issue number6
StatePublished - 1991

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Calcitonin
Amyloid
Staining and Labeling
Ploidies
DNA
Mortality
Neoplasms
Negative Staining
Inheritance Patterns
Multivariate Analysis
Medullary Thyroid cancer

ASJC Scopus subject areas

  • Surgery

Cite this

Pyke, C. M., Hay, I. D., Goellner, J. R., Bergstralh, E. J., van Heerden, J. A., & Grant, C. S. (1991). Prognostic significance of calcitonin immunoreactivity, amyloid staining, and flow cytometric DNA measurements in medullary thyroid carcinoma. Surgery, 110(6), 964-971.

Prognostic significance of calcitonin immunoreactivity, amyloid staining, and flow cytometric DNA measurements in medullary thyroid carcinoma. / Pyke, Christopher M.; Hay, Ian D; Goellner, John R.; Bergstralh, Erik J.; van Heerden, Jon A.; Grant, Clive S.

In: Surgery, Vol. 110, No. 6, 1991, p. 964-971.

Research output: Contribution to journalArticle

Pyke, CM, Hay, ID, Goellner, JR, Bergstralh, EJ, van Heerden, JA & Grant, CS 1991, 'Prognostic significance of calcitonin immunoreactivity, amyloid staining, and flow cytometric DNA measurements in medullary thyroid carcinoma', Surgery, vol. 110, no. 6, pp. 964-971.
Pyke, Christopher M. ; Hay, Ian D ; Goellner, John R. ; Bergstralh, Erik J. ; van Heerden, Jon A. ; Grant, Clive S. / Prognostic significance of calcitonin immunoreactivity, amyloid staining, and flow cytometric DNA measurements in medullary thyroid carcinoma. In: Surgery. 1991 ; Vol. 110, No. 6. pp. 964-971.
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