Cavernous Sinus Anatomy

The cavernous sinus extends from the medial end of the superior orbital fissure to the petrous portion of the temporal bone. The cavernous sinus is a relatively large venous channel formed by a splitting of the dura mater on each side of the body of the sphenoid bone.

Microsurgical Anatomy Of The Cavernous Sinus

The cavernous sinus is made up of very thin walled veins that make up a venous plexus.

Cavernous sinus anatomy. Venous plexus on the internal carotid artery ica to the clival basilar venous plexuses. The cavernous sinus contains the internal carotid artery and several cranial nerves. It is a network of veins that sit in a cavity approximately 1 x 2 cm in size in an adult.

Roof meningeal layer of the dura mater. Drainage of the cavernous sinus is via. The borders of the cavernous sinus are as follows.

The flow of blood in all the tributaries and communications of the cavernous sinus is reversible because they possess no valves spread of infection to the cavernous sinus leads to its thrombosis the cavernous sinus communicates with the veins draining the middle area of the face dangerous area of the face. The cavernous sinus is one of the dural venous sinuses of the head. Lateral meningeal layer of the dura mater running from the roof to the floor.

The cavernous sinus is located on either side of the sella turcica and superior to the sphenoid bone. Anterior superior orbital fissure. Posterior petrous part of the temporal bone.

Cavernous sinus syndromes refer to constellations of clinical signs and symptoms referable to pathology within or adjacent to the cavernous sinus. Medial body of the sphenoid bone. The cavernous sinuses are 1 cm wide cavities that extend a distance.

Superior petrosal sinus to the transverse sinus. There are numerous structures surrounding the cavernous sinus that are noteworthy. Inferior petrosal sinus directly to the jugular bulb.

Emissary veins passing through the. 2 the carotid siphon of the internal carotid artery and cranial nerves iii iv v branches v 1 and v 2 and vi all pass through this blood filled space.

Cavernous Sinus Thrombosis Pdf Ppt