<unk> , also called<unk><unk> , <unk>  is rare autoimmune disease characterized by the triad of rheumatoid arthritis, enlargement of the spleen and low neutrophil count. The condition is more common in those aged 50–70 years, specifically more prevalent in females than males, and more so in Caucasians than those of African descent. It is a deforming disease that causes many complications for the individual.
Felty's syndrome
SUNCT syndrome
Crome syndrome
Eosinophilia–myalgia syndrome
Michels Caskey syndrome
Roemheld syndrome
Mendelson's syndrome
MASA syndrome