In the cavernous sinus it runs alongside the internal carotid artery. Septic thrombosis of cavernous or dural venous sinus can sometimes be a complication. The pituitary gland lies between the two paired cavernous sinuses. The asbestos hardened the walls which created a cavernous acoustic. Familial cerebral cavernous malformations are known to occur. The area surrounding the fistula presents a hypoechoic, irregular lesion in the cavernous tissue. The curve in the cavernous segment is called the carotid siphon. There are freshwater springs that run underground in cavernous veins. The cavernous segment is surrounded by the cavernous sinus. The crowds looked even smaller than that in the cavernous environment. Complications include hearing loss, blood infection, meningitis, cavernous sinus thrombosis, cerebral abscess, and blindness. It runs on the outer wall of the cavernous sinus. Treatments for cerebral cavernous hemangiomas include radiosurgery or microsurgery. Most commonly the form is of septic cavernous sinus thrombosis. Other types of hemangioma include cavernous hemangiomas such as cavernous hemangioma of the liver.