CD8A and lymphopenia: The immune profile of the disease includes hypogammaglobulinemia (IgG and IgA), increased number of total B‐cells, CD4+ T‐cell lymphopenia, an inverted CD4/CD8 ratio, increased percentage of CD4–CD8–TCRαβ+ T‐cells (αβDNTs) and decreased expression of NKG2D receptor [5].