MEFV and familial Mediterranean fever: In atypical FMF, mutations in the MEFV gene Exon10 are rare and often accompanied by mutations in Exon1 (E84K), Exon2 (E148Q, L110P‐E148Q, R202Q, and G304R), and Exon3 (P369S‐R408Q) and Exon5 (S503C) mutations.7