When Is Prophylactic Thyroidectomy Indicated for Patients with the RET Codon 609 Mutation?
Mutations in the RET proto-oncogene cause multiple endocrine neoplasia type 2A (MEN2A), and prophylactic thyroidectomy has generally been recommended before the age of 5 years. Patients with codon 609 mutations develop MTC at a later age and therefore the timing of prophylactic thyroidectomy is less clear. We report a three-generation family with C609Y RET mutation where members having prophylactic or therapeutic thyroidectomy call the current recommendations for age at thyroidectomy into question.
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