Women who had breast cancer followed by thyroid cancer were younger on average when diagnosed with their breast cancer than those with breast cancer alone.
They also were more likely to have had invasive ductal carcinoma and to have received radiation therapy as part of their breast cancer treatment.
Researchers plan to study whether tamoxifen treatment, typically given for 5 years after a breast cancer diagnosis, may play a role in increasing the risk of thyroid cancer. ■
Breast cancer survivors are at increased risk of developing thyroid cancer, especially within 5 years of their breast cancer diagnosis, according to a new analysis of a large national database. The study results were presented at the Endocrine Society’s 97th Annual Meeting.1
“Recognition of this...