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- Title
A primary, lateral-cervical medullary thyroid carcinoma: a case report.
- Authors
Santini, L; Scurini, C; Caracò, C; Conzo, G; Orabona, P; De Rosa, G; Fattoruso, O; Colantuoni, V
- Abstract
Medullary thyroid carcinoma (MTC) arises from the parafollicular cells of the thyroid and occurs in a sporadic or in an inherited form. We present a case of an aberrant MTC in a patient with a functioning thyroid gland. At surgical dissection, the thyroid was present in its anatomical site with a nodule in the upper one third of the right lobe. A mass was also found in a lateral-cervical position distinct from the thyroid gland. Histological examination showed the mass to be the primary MTC, whereas the thyroid nodule was a follicular adenoma. Analysis of DNA extracted from the MTC, from the adenoma, and from peripheral blood revealed a mutation within exon 16 of the RET proto-oncogene only in the DNA from the tumor. The reported case represents a sporadic MTC in an aberrant localization, probably originating from a developmental abnormality of the primordial C cells. This event might have occurred during the migration and/or differentiation of the C cells and might be related to, or caused by, the mutated RET proto-oncogene.
- Publication
Journal of Clinical Endocrinology & Metabolism, 1996, Vol 81, Issue 5, p1784
- ISSN
0021-972X
- Publication type
journal article
- DOI
10.1210/jc.81.5.1784