Lymphoepithelial-like intrathyroidal thymic carcinoma with foci of squamous differentiation. Case report.

ABSTRACT

Thymoma is only rarely reported within the thyroid gland. In this communication a case of thymic carcinoma with lymphoepithelial-like appearance and foci of squamous differentiation is described. The tumor showed no evidence of recurrence or metastasis at clinical follow-up. The histogenesis of such a lesion is discussed.