THYROID-GLAND METASTASIS FROM RENAL-CELL CARCINOMA MASQUERADING AS NODULAR GOITER

Renal cell carcinoma metastasizing to die thyroid gland, in a 72 year old Japanese woman, is reported. The patient had undergone a left radi cal nephrectomy for renal cell carcinoma 3 months prior to the present operation. The patient noticed a nodular goitre but there was no evid ence of any systemic spread of renal cell carcinoma. The histopatholog ic diagnosis, from a left lobectomy of the thyroid gland, was thyroid gland metastasis from renal cell carcinoma in adenomatous goitre. Clin ical manifestation of thyroid gland metastasis from renal cell carcino ma, with no evidence of systemic involvement, is seen rarely. A case i s reported and the condition discussed briefly.