Edwards et al. [7], in a small (11 patients) study on adults with PTC, compared levels of IL-17, IL-10, IL-4, and IFN-γ among PTC patients and a control group of patients with other inflammatory diseases (chronic inflammatory demyelinating peripheral neuropathy (CIDP) and multiple sclerosis (MS)). The gene discussed is IL17A; the disease is chronic inflammatory demyelinating polyradiculoneuropathy.