Growth hormone deficiency following radiation therapy of primary brain tumors in children
- 1 May 1991
- journal article
- Published by Journal of Neurosurgery Publishing Group (JNSPG) in Journal of Neurosurgery
- Vol. 74 (5), 743-748
- https://doi.org/10.3171/jns.1991.74.5.0743
Abstract
✓ The medical records of 123 patients treated for brain tumors at Children's Hospital and Medical Center, Seattle, Washington, between 1985 and 1987 were reviewed. The endocrinological complications of radiation therapy and the effectiveness of growth hormone (GH) replacement therapy were assessed. These were the first 2 years after synthetic GH became available. The disease pathology was confirmed at craniotomy or biopsy in 108 patients. Ninety-five children completed radiation therapy and 65 of these were alive at the time of review; these 65 children represent the study population. The most common tumor types were medulloblastoma, craniopharyngioma, and ependymoma. Endocrine evaluation was initiated with changes in the patients' growth velocity. Patient workup included skeletal x-ray films for determination of bone age, and analysis of thyroxin, thyroid-stimulating hormone, and somatomedin-C levels. Following l-dopa and clonidine stimulation, provocative studies of GH levels were performed. Growth horm...Keywords
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