Felty Syndrome
Felty Syndrome Felty syndrome (FS) is an uncommon extraarticular manifestation of seropositive rheumatoid arthritis (RA), characterized by RA, splenomegaly, and neutropenia. The hallmark feature of FS is a persistent, idiopathic neutropenia and cannot be absent. While Felty syndrome characteristically demonstrates chronic arthritis, splenomegaly, and neutropenia, completion of the triad is not necessary for the diagnosis. …
