Abbreviations: ID, individual number; Fam, family number; I, intrauterine growth restriction; M+SI, skeletal involvement: metaphyseal dysplasia or other skeletal abnormalities reported in CDKN1C IMAGe-affected individuals (NA, not assessed); A, adrenal insufficiency; Ge, genitourinary abnormalities in males (– female, genitourinary anomalies not applicable); −I, immunodeficiency, either increased susceptibility to infections or documented lymphopenia/hypogammaglobinemia; DDH, developmental dysplasia of the hip; Y, yes; N, no. See Tables S1–S4 for extended clinical data and morphometrics.