目前采用放免法(CRIA)测定24小时生长激素(GH)分泌水平或生长激素刺激试验中 GH 水平可诊断 GH 缺乏症。本文报道4名非肥胖健康儿童血 GH 水平用 RIA 法测定低于正常,但他们的生长速率却正常,考虑这4名儿童为不可测生长激素综合征。并探讨了放射受体法(RRA)测定 GH 对本病诊断的意义。 Presently, the determination of GH deficiency by determining the level of 24-hour growth hormone (GH) secretion or the level of GH in the growth hormone stimulation test by radioimmunoassay (CRIA). We report here that the blood levels of GH in four non-obese healthy children were measured by RIA to be lower than normal, but their growth rates were normal. Consider these four children as untestable growth hormone syndrome. And to explore the radioactive receptor method (RRA) determination of the significance of GH diagnosis of the disease.