When T-cell deficient, these autoimmune díseases are very common. CMC was also reported as a common symptom in patients with hyper immunoglobulin E syndrome (hyper-IgE) and with autoimmune polyendocrine syndrome type I.
In cases of T-cell deficiency, such autoimmune disorders occur frequently. CMC is commonly observed in patients with hyperimmunoglobulin E syndrome (hyper-IgE) and autoimmune polyendocrine syndrome type I.