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Endocrine cells produce hormones to communicate with remote target cells found in other organs. The hormone reaches these distant areas using the circulatory system. This exposes the whole organism to the hormone but only those cells expressing hormone receptors or target cells are affected. Thus, endocrine signaling induces slow responses from its target cells but these effects also last longer.
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Related Experiment Video

Updated: Jan 20, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Endocrine Outcomes After Pituitary Surgery.

Anshu Buttan1, Adam N Mamelak2

  • 1Department of Medicine, Division of Endocrinology, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Becker B-131, Los Angeles, CA 90048, USA.

Neurosurgery Clinics of North America
|September 1, 2019
PubMed
Summary

Post-surgical pituitary tumor patients need hormone monitoring. Assessing prolactin, cortisol, and growth hormone levels helps predict outcomes and guide necessary hormone replacement therapy for better recovery.

Keywords:
Adrenal insufficiencyGrowth hormoneHypogonadismPituitary surgeryProlactin

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Area of Science:

  • Neurosurgery
  • Endocrinology
  • Oncology

Background:

  • Pituitary tumor removal offers good surgical results, but hypothalamic-pituitary axis dysfunction is a frequent complication.
  • Perioperative steroid use is common but can lead to adverse outcomes if preoperative adrenal function is compromised or during surgical damage to the pituitary gland or stalk.

Purpose of the Study:

  • To highlight the importance of assessing postoperative hormone status in patients who underwent pituitary tumor surgery.
  • To emphasize the prognostic value of specific hormone level assessments and the need for longitudinal monitoring.

Main Methods:

  • Review of clinical outcomes following pituitary tumor surgery.
  • Analysis of the impact of perioperative steroid use on patient recovery.
  • Evaluation of the role of postoperative prolactin, cortisol, and growth hormone levels in predicting surgical cure and long-term outcomes.

Main Results:

  • Postoperative assessment of prolactin, cortisol, and growth hormone levels can indicate the success of surgical tumor removal.
  • Longitudinal monitoring of hormonal axes several weeks after surgery is crucial for optimizing patient management.
  • Careful hormone status assessment and timely supplementation or medical therapy are critical for successful patient outcomes.

Conclusions:

  • Effective management of pituitary tumor patients requires vigilant postoperative endocrine assessment.
  • Hormonal axis reevaluation post-surgery is essential for guiding treatment and improving patient prognosis.
  • Individualized hormone replacement strategies based on serial monitoring are key to successful surgical and medical outcomes.