| A rare autosomal dominant autoinflammatory syndrome characterized by early onset systemic inflammation with autoimmune manifestations and more rarely, humoral immune deficiency and increased production of circulating proinflammatory cytokines. Variable manifestations include recurrent oral aphthous ulcers, genital ulcers, arthralgia or arthritis, periodic fever, uveitis and severe gastrointestinal involvement (pain, diarrhea, vomiting, rectal bleeding). |