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A 45 year old male, coming from the district of Barú, who was brought to the hospital with one year history of progressive loss of the vision unti/ blindness associated with the loss of the capacity of perceiving scents. A week before his admission, he began to present persistent hiccup that limited the food ingestion and for that reason he looked for medical care. He is a farmer with antecedent of chronic exposure to chemicals agents (ferti/izers and industrial insecticides). The physical examination showed bilateral blindness and anosmia with atrophy of the optic disk in the right eye and papilledema in the left eye. The brain CT sean showed a dense mass that measured 7.6 x 8.9 cm and captured intensely the contrast media. It's located bi/aterally on the middle line of the frontobasal region. The histological report informed a transitional giant frontal meningioma. The Foster Kennedy syndrome originally was described as a meningioma of the olfactory groove may implicate the olfactory bulb and tract producing ipsi/ateral anosmia and then it extend posteriorly to involve the optic nerve producing optic atrophy and contralateral papilledema.
