label: X-linked Mendelian susceptibility to mycobacterial diseases
label_lc: x-linked mendelian susceptibility to mycobacterial diseases
description: A rare group of immunodeficiencies due to specific mutations in the inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase gamma (IKBKG) or the cytochrome b-245, beta polypeptide (CYBB) genes. They are characterized by mycobacterial infections, occurring in males.