Endocrine Abstracts

Background: It is estimated that 1-6% of patients with a pituitary adenoma develop ocular nerve palsies. These are primarily due to tumour extension into the cavernous sinus and most commonly affect the 3rd cranial nerve. Because of its sheltered position within the sinus, the 6th cranial nerve is rarely affected. When this does occur, it most commonly results from ischemic neuropathy secondary to diabetes, hypertension or mononeuritis multiplex.<p cl...