Paquimeningitis crónica hipertrófica del seno cavernoso simulando meningioma con oclusión completa de la arteria carótida

The differential diagnosis between meningioma and IHPM may be complex because of the similarities in image findings and the temporal resistance to corticosterods shown by IHPM, thus we emphasize the usefulness of the SPECT to differentiate between inflammation and tumor in this clinical setting. In addition, our patient showed a total occlusion of the intracavernous carotid artery and, as far as we know, this is the first case with such a finding reported in the literature.