Combined immunodeficiency due to CD3gamma deficiency

Combined immunodeficiency due to CD3gamma deficiency is an extremely rare genetic combined primary immunodeficiency characterized by a selective partial lymphopenia (T+/-B+NK+) phenotype and decreased CD3 complex resulting in a variable but usually mild clinical presentation ranging from asymptomatic until adulthood to high susceptibility to infections from early infancy with predominant automimmune manifestations.