Hypogammaglobulinemia and antibody deficiency in patients with elevated sweat chloride concentrations

Cystic fibrosis, common variable immunodeficiency and Aspergers syndrome: an immunological and behavioural challenge

“…Severe combined immunodeficiency in infancy and CVID in young adults [4,5] may present with symptoms resembling CF even yielding positive sweat chloride testing confusing them as CF initially. Although an elevated sweat chloride is diagnostic of CF, transient elevations have been reported in patients with hypogammaglobulinaemia [6,7].…”