Browsing English Journal Articles by Subject (MeSH)
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Anaplastic thyroid carcinoma transformation in a lateral neck node metastasis - A case report and a review of the literatureAnaplastic thyroid carcinoma is thought to be derived from previous existing papillary or follicular thyroid carcinoma that dedifferentiates into its anaplastic counterpart. We present a case where this type of dedifferentiation occurs at a metastatic site in a regional lymph node, years after the primary papillary thyroid tumor had metastasized.