Thyroid Nodules in Children With Familial Adenomatous Polyposis.

ABSTRACT

INTRODUCTION: Ultrasound screening for thyroid cancer is recommended in familial adenomatous polyposis (FAP). This study investigated the prevalence of thyroid neoplasia in children with FAP. METHODS: Cross-sectional study of children with FAP at an academic hospital. Clinical and ultrasound data were analyzed for the prevalence of thyroid nodules and cancer. RESULTS: Of 37 children with FAP, 8 (22%) had thyroid nodules and 2 (5%) had thyroid cancer. Nodules (30%) and cancer (9%) were more common among female subjects and rare among male subjects. DISCUSSION: Thyroid ultrasound screening in adolescence may benefit female subjects with FAP but has limited utility in male subjects.