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Pediatric pituitary adenomas

T Mindermann1, C B Wilson

  • 1Department of Neurological Surgery, School of Medicine, University of California, San Francisco, USA.

Neurosurgery
|February 1, 1995
PubMed
Summary
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Pediatric pituitary adenomas vary by age group, with adrenocorticotropic hormone-releasing adenomas common before puberty and prolactinomas during/after. Post-surgery hormone levels can predict recurrence risk for these pediatric tumors.

Area of Science:

  • Pediatric Endocrinology
  • Neuro-oncology
  • Tumor Biology

Background:

  • Previous pediatric pituitary adenoma studies were limited in scope and age-group analysis.
  • Understanding age-specific tumor characteristics is crucial for effective pediatric care.

Purpose of the Study:

  • To analyze the frequency, clinical presentation, progression, and biology of pediatric pituitary adenomas across different pubertal stages.
  • To compare pediatric adenoma characteristics with adult counterparts.

Main Methods:

  • Retrospective review of 136 pediatric patients (<20 years) with pituitary adenomas treated between 1969-1993.
  • Tumor classification based on clinical phenotype and hormonal activity.
  • Analysis of tumor size, hormone levels, and clinical outcomes.

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Main Results:

  • Adrenocorticotropic hormone-releasing adenomas were most frequent before puberty; prolactinomas were most common during and after puberty.
  • Growth arrest was a common symptom except for growth hormone (GH)-releasing adenomas; menstrual irregularities were frequent across most adenoma types.
  • Post-operative serum hormone levels (prolactin, GH) correlated with tumor recurrence risk.

Conclusions:

  • Pediatric pituitary adenomas exhibit significant variation in size, onset, and frequency relative to pubertal development.
  • Primary amenorrhea warrants pituitary investigation; growth arrest is a key indicator for most adenoma types.
  • Post-operative hormone monitoring is vital for predicting recurrence of specific pediatric pituitary adenomas.