Pituitary adenoma or neuroendocrine tumour: the need for an integrated prognostic classification

Ken K.Y. Ho, Ursula B. Kaiser, Phillippe Chanson, Monica Gadelha, John Wass, Lynnette Nieman, Andrew Little, Manish K. Aghi, Lori Raetzman, Kalmon Post, Gerald Raverot, Alexander D. Borowsky, Dana Erickson, Justo P. Castaño, Edward R. Laws, Maria Chiara Zatelli, Jill Sisco, Laura Esserman, Kevin C.J. Yuen, Martin ReinckeShlomo Melmed

Research output: Contribution to journalReview articlepeer-review

Abstract

In the 2022 fifth edition of the WHO Classification of Endocrine Tumours and of Central Nervous System Tumours, pituitary adenomas are reclassified as neuroendocrine tumours (NETs). This change confers an oncology label to neoplasms that are overwhelmingly benign. A comprehensive clinical classification schema is required to guide prognosis, therapy and outcomes for all patients with pituitary adenomas. Pituitary adenomas and NETs exhibit some morphological and ultrastructural similarities. However, unlike NETs, pituitary adenomas are highly prevalent, yet indolent and rarely become malignant. This Perspective presents the outcomes of an interdisciplinary international workshop that addressed the merit and clinical implications of the classification change of pituitary adenoma to NET. Many non-histological factors provide mechanistic insight and influence the prognosis and treatment of pituitary adenoma. We recommend the development of a comprehensive classification that integrates clinical, genetic, biochemical, radiological, pathological and molecular information for all anterior pituitary neoplasms.

Original languageEnglish
Pages (from-to)671-678
Number of pages8
JournalNature Reviews Endocrinology
Volume19
Issue number11
DOIs
StatePublished - Nov 2023

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