Mitchell E. Geffner, MD

Disclosures

Cancer Control. 2002;9(3) 

In This Article

Potential Posterior Pituitary Hormone Excess

As stated previously, a deficiency of ADH causes central or neurogenic DI. Infants and toddlers manifest DI with excessively wet diapers. If unrecognized and hence untreated, dehydration with elevated serum sodium concentrations will ensue in this age group as young children cannot report and easily satisfy heightened thirst. Older children with DI typically present with excessive day-and night-time urination, new onset of bed-wetting, and increased thirst. DI most often occurs unintentionally as a result of surgical treatment of a hypothalamic-pituitary tumor, such as a craniopharyngioma. In some cases, DI is temporary due to local postsurgical edema, but it will be permanent if surgical sacrifice close to the hypothalamus or of the stalk itself is required for complete cure of a brain tumor in the suprasellar region.[18] DI may also occur in association with a diencephalic germinoma.

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