Different Patterns of ras Mutations in Thyroid Carcinomas
Author Information
Author(s): P.A. Wright, N.R. Lemoine, E.S. Mayall, F.S. Wyllie, D. Hughes, E.D. Williams, D. Wynford-Thomas
Primary Institution: University of Wales College of Medicine
Hypothesis
Is there a difference in the prevalence of ras oncogene mutations between papillary and follicular thyroid carcinomas?
Conclusion
The study found that papillary carcinomas have a significantly lower rate of ras mutations compared to follicular carcinomas.
Supporting Evidence
- 80% of follicular carcinomas had activating ras mutations.
- Only 20% of papillary carcinomas had activating ras mutations.
- Overall rate of ras mutation in papillary carcinomas was 17%, significantly lower than 53% in follicular carcinomas.
Takeaway
This study looked at thyroid cancer and found that one type, called papillary carcinoma, has fewer mutations than another type called follicular carcinoma.
Methodology
The study used PCR amplification and oligonucleotide probing to analyze archival material from thyroid carcinomas.
Limitations
The study's sample size is relatively small, and a larger prospective study is needed for more definitive conclusions.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
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