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Schelfhout LJ, Cornelisse CJ, Goslings BM, et al. Frequency and degree of aneuploidy in benign and malignant thyroid neoplasms. Int J Cancer. 1990;45(1):16-20doi: 10.1002/ijc.2910450105.
Schelfhout, L. J., Cornelisse, C. J., Goslings, B. M., Hamming, J. F., Kuipers-Dijkshoorn, N. J., van de Velde, C. J., & Fleuren, G. J. (1990). Frequency and degree of aneuploidy in benign and malignant thyroid neoplasms. International journal of cancer, 45(1), 16-20. https://doi.org/10.1002/ijc.2910450105
Schelfhout, L J, et al. "Frequency and degree of aneuploidy in benign and malignant thyroid neoplasms." International journal of cancer vol. 45,1 (1990): 16-20. doi: https://doi.org/10.1002/ijc.2910450105
Schelfhout LJ, Cornelisse CJ, Goslings BM, Hamming JF, Kuipers-Dijkshoorn NJ, van de Velde CJ, Fleuren GJ. Frequency and degree of aneuploidy in benign and malignant thyroid neoplasms. Int J Cancer. 1990 Jan 15;45(1):16-20. doi: 10.1002/ijc.2910450105. PMID: 2298499.
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Int J Cancer. 1990 Jan 15;45(1):16-20. doi: 10.1002/ijc.2910450105.

Frequency and degree of aneuploidy in benign and malignant thyroid neoplasms.

International journal of cancer

L J Schelfhout, C J Cornelisse, B M Goslings, J F Hamming, N J Kuipers-Dijkshoorn, C J van de Velde, G J Fleuren

Affiliations

  1. Department of Pathology, State University Hospital, Leiden, The Netherlands.

PMID: 2298499 DOI: 10.1002/ijc.2910450105

Abstract

The frequency and degree of aneuploidy in 44 benign and 124 malignant thyroid neoplasms were analyzed by DNA flow cytometry. Single aneuploid cell populations were found in 72% of the undifferentiated carcinomas, 64% of the follicular carcinomas, 24% of the papillary carcinomas and in 24% of the follicular adenomas. Multiple aneuploid cell populations were detected in 4% of the papillary and in 36% of the follicular carcinomas but not in undifferentiated carcinomas. A low degree of aneuploidy was found in well differentiated papillary carcinomas (mean DNA index of aneuploid populations: DI = 1.17; SD +/- 0.09). Significantly higher values were found for aneuploid moderately differentiated papillary carcinomas (DI = 1.46; SD +/- 0.29), well and moderately differentiated follicular carcinomas (DI = 1.61; SD +/- 0.33 and DI = 1.60; SD +/- 0.30, respectively) and undifferentiated carcinomas (DI = 1.72; SD +/- 0.19). High DNA indices were also found in several follicular adenomas (DI = 1.49; SD +/- 0.22). Comparison of the 10-year survival rates of patients with moderately versus well differentiated papillary carcinoma (79 vs. 98 months, respectively) indicates that loss of differentiation and progression of aneuploidy in this tumour type is associated with more aggressive clinical behaviour. Similarly, the high frequency and degree of aneuploidy in undifferentiated carcinomas is in agreement with the very poor survival rate (0% at 10 years) in this group of patients. However, the occurrence of highly aneuploid adenomas and (near)-diploid undifferentiated carcinomas does not point to a direct causal relationship between DNA-ploidy changes and clinical behaviour of these thyroid tumours.

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