[Disseminated infection by M. tuberculosis complex in patient with IFN-γ receptor 1 complete deficiency].

Background: Several mutations have been described leading to impaired immunity in the IL-12/IFN-γ axis and, they confer susceptibility to mycobacterial infections. One of the more serious clinical phenotypes is secondary to mutations at IFN-γ receptor 1 gene, characterized by an early onset and more severe disease.

Clinical Report: We present a 3-month-old female patient with systemic M.