FMF: familial Mediterranean fever, MKD: mevalonate kinase deficiency, TRAPS: tumor necrosis factor receptor-associated periodic syndrome, CINCA: chronic infantile neurological cutaneous articular syndrome, FCAS: familial cold autoinflammatory syndrome, MWS: Muckle–Wells syndrome, BS: Blau syndrome, DIRA: deficiency of interleukin 1 receptor antagonist, MS: Majeed syndrome, PAPA:  pyogenic arthritis pyoderma gangrenosum and cystic acne syndrome, NLRP: NACHT domain-, leucine-rich repeat- and pyrin domain-containing protein, AD: autosomal dominant, AR: autosomal recessive [5]. The gene discussed is IL1RN; the disease is Majeed syndrome.