Agammaglobulinemia Apr 2026

: Patients have a "pan-hypogammaglobulinemia," meaning all major classes of antibodies (IgG, IgA, IgM) are nearly absent.

Symptoms usually appear between as maternal antibodies fade. X-Linked Agammaglobulinemia - StatPearls - NCBI Bookshelf agammaglobulinemia

: A rarer form that can affect both males and females, caused by mutations in other genes like IGHM or CD79A . Symptoms & Complications : Patients have a "pan-hypogammaglobulinemia

: It is most commonly caused by mutations in the BTK gene , which is essential for B cell development. Common Types agammaglobulinemia