Description of Collaborative Activity: |
Polyhalogenated aromatic hydrocarbons are being measured in banked serum/plasma samples from cohort studies to evaluate the association with thyroid cancer incidence. The National Cancer Institute (NCI) investigators are leading nested case-control studies of thyroid cancer in three cohorts to examine associations between pre-diagnostic concentrations of polychlorinated biphenyls (PCB), polybrominated diethyl ethers (PBDE), and organochlorine insecticides and thyroid cancer risk. |
