What abnormal results mean: A diminished amount of hGH indicates a problem either in the hypothalamus or the pituitary. Additional testing can illustrate the exact site of the deficiency. In children, a deficiency of GH results in dwarfism. In adults, it may be associated with panhypopituitarism. About 10% to 15% of people with normal functioning pituitaries may fail to respond on the first test. The test is often repeated.
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