The Value of Pro-Surgery MRI Apply for Pituitary Adenoma

Objective: To explore the value of pro-surgery MRI for the choice of surgical approach to pituitary adenoma.Method: Forty-five cases of pituitary adenoma in our hospital examined by MRI and proved by surgical pathology were collected.Analyzed the tumors' signal characteristic,extension and growth mode.Result: Among 45 cases of pituitary adenoma,32 cases showed the tumor growing up and breaking through sphenoid partition,21 cases of these oppressing the optic chiasma;26 cases showed the tumor destroying sphenoid fundus and breaking into sphenoid sinus;17 cases showed the tumor involving one or both sides of the parasellar and cavernous sinus,processing or enwrapping internal carotid artery.Conclusion: MRI can show clearly the area of the involvement of the tumor and growth mode,have great value for the choice of surgical approach to pituitary adenoma.