sideroblastic anemia /sid′ərōblas″tik/ [Gk, sideros, iron, blastos, germ] , a heterogeneous group of chronic normocytic or slightly macrocytic anemias characterized by decreased erythropoiesis. The red blood cells contain a perinuclear ring of iron-stained granules. Sideroblastic anemia is an acquired disorder and the cause is not understood. Treatment may include extract of liver, pyridoxine, folic acid, and blood transfusion. Also spelled sideroblastic anaemia. Compare iron-deficiency anemia, siderosis.
