Clinically nonfunctioning pituitary tumors

Michal Ehrenwald, Merav Fraenkel, Dror Limon, Michal Raz, Rachel Grossman, Yona Greenman

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

NFPAs are clinically silent tumors that develop from different pituitary lineages. Their classification landscape has changed with the recognition that even in the absence of evidence of hormone production based on immunohistochemistry, they can be assigned to specific lineages based on staining for transcription factors. Early evidence suggests that the clinical behavior of transcription factor positive/hormone negative tumors is similar to that of transcription factor positive/hormone positive tumors. Whether these findings, if confirmed, will have significant implications on the clinical management of NFPA remains to be established. There is consensus regarding surgery as the first-line treatment of these often large tumors, which present with clinical signs and symptoms of mass effect. However, the optimal postsurgical management is still a matter of debate. The selection of tumors that need adjuvant treatment, as well as the timing and type of medical and/or radiation therapy, remains to be established.

Original languageEnglish
Title of host publicationPituitary Tumors
Subtitle of host publicationA Comprehensive and Interdisciplinary Approach
PublisherElsevier
Pages511-519
Number of pages9
ISBN (Electronic)9780128199497
DOIs
StatePublished - 1 Jan 2021

Keywords

  • Dopamine agonist
  • Mass effect
  • Nonfunctioning
  • Pituitary
  • Silent tumor

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