Endocrine Abstracts

Background: The 2017 World Health Organization classification of pituitary tumors established that, pituicytoma, granular cell tumor of the sella (GCT) and spindle cell oncocytoma (SCO) are posterior pituitary tumors (PPT). These lesions are non-neuroendocrine and low-grade neoplasms of the sellar region presenting with mass effect symptoms. Their clinical manifestation, hormonal profile and radiological findings are indistinguishable from non-functioning pituitary adenomas (N...