[Spontaneous hematoma of the thyroid gland: apropos of 2 cases]

Authors report two cases of spontaneous hematoma of the thyroid gland. Emergency surgery was performed on note of them. After reminding the role of different investigations, they discuss the interest of computed tomography to exclude extracranial carotid artery aneurysm. They explain a therapeutic approach according to the repercussions of hematoma: a compressive syndrome requires a difficult emergency surgery.