Molecular study of thyroid cancer in world trade center responders

Maaike A.G. van Gerwen, Stephanie Tuminello, Gregory J. Riggins, Thais B. Mendes, Michael Donovan, Emma K.T. Benn, Eric Genden, Janete M. Cerutti, Emanuela Taioli

Research output: Contribution to journalArticle

Abstract

Thyroid cancer incidence is higher in World Trade Center (WTC) responders compared with the general population. It is unclear whether this excess in thyroid cancer is associated with WTC-related exposures or if instead there is an over-diagnosis of malignant thyroid cancer among WTC first responders due to enhanced surveillance and physician bias. To maximize diagnostic yield and determine the false positive rate for malignancy, the histological diagnoses of thyroid cancer tumors from WTC responders and age, gender, and histology matched non-WTC thyroid cancer cases were evaluated using biomarkers of malignancy. Using a highly accurate panel of four biomarkers that are able to distinguish benign from malignant thyroid cancer, our results suggest that over-diagnosis by virtue of misdiagnosis of a benign tumor as malignant does not explain the increased incidence of thyroid cancer observed in WTC responders. Therefore, rather than over-diagnosis due to physician bias, the yearly screening visits by the World Trade Center Health Program are identifying true cases of thyroid cancer. Continuing regular screening of this cohort is thus warranted.

Original languageEnglish (US)
Article number1600
JournalInternational journal of environmental research and public health
Volume16
Issue number9
DOIs
StatePublished - May 1 2019

Keywords

  • 9/11
  • Biomarkers
  • Screening
  • Thyroid cancer

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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  • Cite this

    van Gerwen, M. A. G., Tuminello, S., Riggins, G. J., Mendes, T. B., Donovan, M., Benn, E. K. T., Genden, E., Cerutti, J. M., & Taioli, E. (2019). Molecular study of thyroid cancer in world trade center responders. International journal of environmental research and public health, 16(9), [1600]. https://doi.org/10.3390/ijerph16091600