Nonfunctioning Pituitary Tumors and Pituitary Incidentalomas

Mark E Molitch*

*Corresponding author for this work

Research output: Contribution to journalReview article

92 Scopus citations

Abstract

Clinically nonfunctioning adenomas (CNFAs) range from being completely asymptomatic, and therefore detected at autopsy or as incidental findings on head MRI or CT scans performed for other reasons, to causing significant hypothalamic/pituitary dysfunction and visual field compromise because of their large size. Patients with incidental adenomas should be screened for hypersecretion and hyposecretion. In the absence of hypersecretion, hypopituitarism, or visual field defects, patients may be followed by periodic screening by MRI for enlargement. Symptomatic patients with CNFAs are generally treated by transsphenoidal resection. Postoperative MRI scans are done at 3 to 4 months after surgery to assess for completeness of resection and then repeated yearly for 3 to 5 years and subsequently less frequently to assess for regrowth. The regrowth rate may be substantially reduced with the use of dopamine agonists and radiotherapy.

Original languageEnglish (US)
Pages (from-to)151-171
Number of pages21
JournalEndocrinology and Metabolism Clinics of North America
Volume37
Issue number1
DOIs
StatePublished - Mar 1 2008

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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