by light and electron microscopy , we observed foamy cells in the spleens from a patient with hemolytic anemia due to red cell adenosine deaminase ( ada ) overproduction , a patient with rheumatoid arthritis ( ra ) treated with gold , and patients with idiopathic thrombocytopenic purpura ( itp ) .
C0003873
rheumatoid arthritis
C0018026
gold