Medullary thyroid carcinoma (MTC) constitutes about 3-10% of all thyroid cancers. It arises from the parafollicular C cells that produce calcitonin (CT) and occurs as a sporadic form. or less commonly, as a hereditary form, as part of multiple endocrine neoplasia syndromes types 2A (MEN 2A) and 2B (MEN 2B). The hereditary forms are autosomal dominant traits associated with germline mutations of RET proto-oncogene. Progresses in genetics have permitted an improvement of management, screening and treatment. Surgery is the only successful treatment for MTC, as there is no effective adjuvant therapy for residual disease. A total thyroidectomy and vigilant management and surveillance of the neck are recommended. Interdisciplinary management including surgeons, endocrinologists, pathologists, radiotherapists, radiologists, and oncologists should be considered.
Medullary thyroid carcinoma: state of the art
IACOBONE, MAURIZIO
2006
Abstract
Medullary thyroid carcinoma (MTC) constitutes about 3-10% of all thyroid cancers. It arises from the parafollicular C cells that produce calcitonin (CT) and occurs as a sporadic form. or less commonly, as a hereditary form, as part of multiple endocrine neoplasia syndromes types 2A (MEN 2A) and 2B (MEN 2B). The hereditary forms are autosomal dominant traits associated with germline mutations of RET proto-oncogene. Progresses in genetics have permitted an improvement of management, screening and treatment. Surgery is the only successful treatment for MTC, as there is no effective adjuvant therapy for residual disease. A total thyroidectomy and vigilant management and surveillance of the neck are recommended. Interdisciplinary management including surgeons, endocrinologists, pathologists, radiotherapists, radiologists, and oncologists should be considered.
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