74-year-old female evaluated for pancytopenia of unknown etiology, which required blood transfusions. Bone marrow aspirate and biopsy showed a hypocellular bone marrow with trilineage maturation. The treatment include immunosuppressive agents and erythropoietin.

 74-year-old female evaluated for pancytopenia of unknown etiology, which required blood transfusions. Bone marrow aspirate and biopsy showed a hypocellular bone marrow with trilineage maturation. The treatment include immunosuppressive agents and erythropoietin.