Maltoma of the thyroid associated to Graves' disease is not such a frequent
ly described association. We report a case of Maltoma of the thyroid gland
In a patient. with Grave.'s disease. The diagnosis was established by histo
logical examination after total thyroidectomy. Slow enlargement of the thyr
oid gland despite a clinically successful antithyroid drug therapy could be
considered as an advocating clinical manifestation. Associated anti-neopla
stic chemotherapy and cervical irradiation resulted good outcome with six y
ears follow-up. A review is presented on treatment and prognosis. of these
tumors.