[Patient with diabetes and impaired hearing].

nal diagnosis.6 Differential diagnosis between an anaplastic hyroid carcinoma and a secondary tumor is often difficult. he presence of cervical adenopathies, advanced patient ge, and neoplastic history may suggest a metastatic tumor, ut a positive thyroglobulin test will provide definite diagosis of an anaplastic carcinoma.7 In the case reported, the atient’s age, the rapid growth of previously known goiter, nd stone-hard consistency suggested anaplastic carcinoma ather than metastasis. Thyroid metastases are usually diagosed in advanced disease stages and are associated with a ife expectancy of only a fewmonths.5 Although treatment is alliative in nature, thyroid surgery may improve symptoms nd the quality of life in these patients. In conclusion, when faced with a patient with a history of umor and a thyroid nodule, a cytological evaluation should e performed on a sample taken by fine needle aspiration o rule out a potential metastatic origin.7