Microcephalic Primordial Dwarfism-Insulin Resistance Syndrome is related to isolated growth hormone deficiency, type ia and seckel syndrome. An important gene associated with Microcephalic Primordial Dwarfism-Insulin Resistance Syndrome is NSMCE2 (NSE2 (MMS21) Homolog, SMC5-SMC6 Complex SUMO Ligase). Affiliated tissues include liver, and related phenotypes are hypertriglyceridemia and micrognathia