title: Management of hereditary medullary thyroid carcinoma.
abstract: Hereditary medullary thyroid carcinoma (MTC) represents up to one-third of MTC cases and includes multiple endocrine neoplasia syndrome type 2A (and its variant familial MTC) and 2B. The aim of this paper is to provide an overview of the disease focusing on the management of hereditary MTC patients, who have already developed tumor, as well as discuss the recommended approach for asymptomatic family members carrying the same mutation. A PubMed search was performed to review recent literature on diagnosis, genetic testing, and surgical and medical management of hereditary MTC. The wide use of genetic testing for RET mutations has markedly influenced the course of hereditary MTC. Prophylactic thyroidectomy of RET carriers at an early age eliminates the risk of developing MTC later in life. Pre-operative staging is a strong prognostic factor in patients, who have developed MTC. The use of recently approved tyrosine kinase inhibitors (vandetanib, cabozantinib) holds promising results for the treatment of unresectable, locally advanced, and progressive metastatic MTC. Genetic testing of the RET gene is a powerful tool in the diagnosis and prognosis of MTC. Ongoing research is expected to add novel treatment options for patients with advanced, progressive disease.
authors.affiliation: Section of Endocrinology, Diabetes and Metabolism, Department of Medicine, The University of Chicago, Chicago, IL, USA.|Endocrine Unit, Department of Medical Therapeutics, Alexandra Hospital, Athens University School of Medicine, 80 Vassilissis Sofias Avenue, 11528, Athens, Greece.
authors.forename: Theodora
authors.initials: T
authors.lastname: Pappa
authors.affiliation: Endocrine Unit, Department of Medical Therapeutics, Alexandra Hospital, Athens University School of Medicine, 80 Vassilissis Sofias Avenue, 11528, Athens, Greece. mani@otenet.gr.
authors.forename: Maria
authors.initials: M
authors.lastname: Alevizaki
mesh_terms: D018276:Carcinoma, Medullary / Q000151:congenital / Q000235:genetics / Q000473:pathology / Q000628:therapy*; D005820:Genetic Testing; D006579:Heterozygote; D006801:Humans; D009154:Mutation; D051096:Proto-Oncogene Proteins c-ret / Q000235:genetics*; D013964:Thyroid Neoplasms / Q000151:congenital / Q000235:genetics / Q000473:pathology / Q000628:therapy*
chemical_list: D051096:Proto-Oncogene Proteins c-ret
keywords: Familial medullary thyroid carcinoma; Medullary thyroid carcinoma; RET gene mutation
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