Keywords: FMF, familial Mediterranean fever; HS, hidradenitis suppurativa; MEFV, Mediterranean fever gene; PAPASH, pyoderma gangrenosum, acne, pyogenic arthritis, suppurative hidradenitis; PASH, pyoderma gangrenosum, acne, suppurative hidradenitis; PSTPIP1, proline-serine-threonine phosphatase interacting protein 1 gene.