[Metástasis en el lóbulo frontal como primera manifestación clínica de un carcinoma folicular de tiroides].

Background: Follicular thyroid carcinoma can produce distant metastases, generally occur to lung followed by bone. Brain metastases are unusual, and onset manifestation is little frequently. Clinical case: A 80-years old men presented disturbance behavior, desorientation and loss of sphincters after fallin to the ground. Computed tomography scan showed a lesion in the right frontal lobe. The patient underwent a craniotomy to remove the brain tumor, histopathology confirmed of follicular thyroid carcinoma metastases. Conclusion: At initial diagnosis brain metastasis are extremely rare, with adverse prognosis.