Medullary carcinoma of the thyroid metastatic to the skin: report of two cases

Abstract
The skin is a rare site for metastases from the thyroid. We report 2 cases of skin metastases from a thyroid medullary carcinoma. This is the first report of metastasis to the skin from a medullary carcinoma. The diagnosis was confirmed by immunocytochemical studies performed on the skin biopsy specimens.