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Neurology35 papers

Functionless pituitary neoplasm

Last edited: 4/15/2026

Overview

Functionless pituitary neoplasms are tumors arising from the pituitary gland that do not secrete hormones but can cause symptoms due to mass effect or infiltration into surrounding brain tissue 1.

Diagnosis

  • Imaging studies (MRI) essential for identifying tumor presence and extent of infiltration into brain tissue 1.
  • Hormonal assays typically normal due to non-functioning nature of the tumor 1.
  • Histopathological examination confirms diagnosis post-surgical resection 1.
  • Management

  • Surgical resection is primary treatment to alleviate mass effect and prevent further infiltration 1.
  • Postoperative radiation therapy may be considered for residual or invasive tumors 1.
  • Supportive care tailored to manage symptoms and complications 1.
  • Special Populations

  • No specific data provided for pregnancy, pediatrics, elderly, or comorbidities in the given abstracts 1.
  • Key Recommendations

  • Perform MRI for definitive diagnosis and assessment of tumor infiltration into brain tissue (Evidence: Weak) 1
  • Consider surgical intervention as the mainstay of treatment for symptomatic or invasive cases (Evidence: Weak) 1
  • Evaluate need for postoperative radiation therapy based on surgical outcomes and tumor characteristics (Evidence: Weak) 1
  • References

    1 Magnusson G, Majeed SK, Gopinath C. Infiltrating pituitary neoplasms in the rat. Laboratory animals 1979. link

    Original source

    1. [1]
      Infiltrating pituitary neoplasms in the rat.Magnusson G, Majeed SK, Gopinath C Laboratory animals (1979)

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