ANAPLASTIC TRANSFORMATION OF PAPILLARY THYROID CARCINOMA AS PROLONGED EFFECT, METASTASIZED TO CERVICAL LNS– A CASE REPORT

Anaplastic carcinoma is solid tumor that is aggressive and rare form of thyroid cancer. Although anaplastic tumor occurs 1 to 2 percent only, they account for 14 to 50 percent of per year mortality rate related to thyroid tumor.25% of anaplastic thyroid carcinoma (ATC) occurs along with differentiated thyroid tumors. Anaplastic transition at remote metastatic locations is extremely rare. Here, we are representing a rare case of transformed anaplastic carcinoma of thyroidas prolonged effect of papillary thyroid tumor left untreated, in 59 years old male that has metastasized to cervical lymph node.