HEMANGIOENDOTHELIOMA OF THE THYROID-GLAND

The authors report a case of malignant tumor of the thyroid in a 79 ye ars old woman with a long standing goiter for 20 years but who did not live in endemic mountainous goiter area. The right lobe of the thyroi d was surgically removed in februar 1992 because increasing in size. P athologic diagnosis was non malignant cystic lesion. Two months later, a recurrence with dyspnea urged a tracheostomy. The patient died 9 da ys later because of intra bronchial and pleura hemorrhage. The morphol ogical and immuno-histochemical investigations showed angiosarcomatous features and positive reactivity with Facteur VIII and UEA 1 markers in the tumour and pulmonary metastases. The diagnosis of Malignant hem angio-endothelioma was concluded.