| Phenotype details |
IGF-I level failed to increase after IGF generation test, no response to GH treatment; IGF-I therapy at 6.5y, height increased from -4.9SDS to -3.8SDS; insulin-like growth factor I deficiency; delayed bone age of 2.5y; Mild midfacial hypoplasia, depressed nasal bridge; Moderate frontal bossing, small hands |