ABSTRACT Cavernous sinus thrombosis is a rare, capricious condition, associated with the extension of infectious processes, which may originate from the middle third of the face, such as sinusitis that affects the paranasal sinuses of the face. Namely, the primary sites of infection are commonly the face, orbits and ethmoid, and sphenoid sinuses. The typical clinical presentation includes fever and periorbital edema followed by headache, ptosis and extraocular muscle paralysis. The diagnosis is eminently clinical and difficult to make. It […]

Carotid cavernous fistulae are an uncommon disease. They are classified as direct or indirect. In direct fistulas there is an abnormal communication between the internal carotid artery and the cavernous sinus. Indirect forms have an abnormal bypass between the meningeal branches of the internal and/or external carotid arteries and the same sinus. The purpose of this article is to provide an overview of the anatomy of the envolved area and the clinical findings, diagnostic evaluation and treatment.