Endocrine Abstracts

Background: Invasive pituitary tumors may behaviour like some pituitary carcinomas. Although invasiveness is not indicative of malignancy, it probably puts the patient at higher risk of developing a pituitary carcinoma. These are very rare and the diagnosis requires evidence of metastatic disease, either cerebrospinal or extracranial. Although de novo development cannot be excluded they usually present as typical pituitary adenomas, which reveal their malignant characte...