C5a-Inhibitor Deficiency — A Role in Familial Mediterranean Fever?

Abstract
The sequence of events that precipitate the recurrent febrile attacks of familial Mediterranean fever has fascinated clinicians ever since the disease became firmly established as a distinct clinical entity in 1945.1 Clues to its cause seemed to be provided by its prevalence in specific ethnic groups in the Mediterranean littoral, a high familial incidence, and the clinical manifestations of self-limited, febrile paroxysms and serosal inflammation. Early authors, impressed by the intermittency of attacks and a high incidence of atopy, searched vainly for an exogenous allergen. In a comprehensive study of the disease in Israel in 1958, Heller at al. postulated . . .