Benign tumors in myotonic dystrophy type I target disease‐related cancer sites

Objectives Recent evidence showed that myotonic dystrophy type I (DM1) patients are at increased risk of certain cancers, but the risk of benign tumors is unknown. We compared the risk of benign tumors in DM1 patients with matched DM1‐free individuals and assessed the association between benign tumors and subsequent cancers. Methods We identified 927 DM1 patients and 13,085 DM1‐free individuals matched on gender, birth‐year, clinic, and...