Endocrine Inactive Pituitary Adenomas

Clinicopathological Features and Long Term Outcome Following Transsphenoidal Resection

Gordon Tang (Barstow, CA), Ming-Ming Ning, Marielle H. Nyugen, Brooke Swearingen, Nicholas T. Zervas (Boston, MA)

Discussant: Kalmon Post

Endocrine-inactive adenomas (EIA) account for 30% of pituitary tumors but are infrequently studied. We aim to characterize their clinical presentation, identify endocrinological and radiographic features, study pathological characteristics and determine long-term outcome. We have therefore retrospectively reviewed the cases on 357 patients who underwent resections of EIA from 1978 to 1996 with an average follow up of 8.4 years.

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