UBA1 and VEXAS syndrome: Genetic analysis by bidirectional Sanger sequencing and capillary electrophoresis showed pathogenic missense SNV c.121A>C (p.Met 41Leu) in exon 3 of X-linked UBA1 (NM_003334.4) gene along with the wild-type allele in peripheral blood and bone marrow samples; confirmed diagnosis of VEXAS Syndrome (Figure 2B).