Brain metastases from papillary adenocarcinoma of the thyroid.

BACKGROUND: Papillary thyroid adenocarcinoma (PTA) is the most common type of thyroid malignancy. Distant metastatic spread is relatively rare, most commonly affecting the lungs and bone. Brain metastases are very uncommon. We present a series of four patients with this development and review their diagnosis and treatment. METHODS: A retrospective chart review analysis of patients diagnosed with PTA between 1983 and 2003 at St. Joseph's …