TANGO2-related metabolic encephalopathy–arrhythmia syndrome unmasked in 22q11.2 deletion syndrome: hemizygous pathogenic variant, complex phenotype modified by two genetic conditions, and implications for proactive crisis prevention: a case report
A case of a child with confirmed 22q11.2 deletion syndrome in whom a coexisting variant in the TANGO2 gene was diagnosed at the age of 5 after first metabolic crisis with rhabdomyolysis, demonstrating that exome sequencing should be pursued early when atypical features emerge in patients with established genetic diagno...