Case report: brain metastases from papillary carcinoma thyroid.

Papillary carcinoma, the commonest thyroid malignancy, has a good prognosis and low incidence of distant metastases. Brain metastasis is extremely rare with a frequency of 0.1-5% in reported series. The clinical details of two cases of histologically proven brain metastases from papillary thyroid cancer treated in our centre are presented. In one patient, the lesion was in the cerebellar hemisphere, and in the other, the frontal lobe. Also presented is a review of the literature of this unusual clinical presentation.