CDC42 and hemophagocytic syndrome: A disease characterized by neonatal-onset cytopenia, autoinflammation, rash, and episodes of hemophagocytic lymphohistiocytosis (NOCARH) has been recently described in 4 unrelated patients carrying the same de novo heterozygous missense mutation in Cell division cycle 42 (CDC42) at p.Arg186Cys.97