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[Macrocytic anaemia with folic acid deficiency in hypothyroidism (author's transl)]
Three different kinds of anaemia are seen in hypothyroidism: (1) normocytic, normochromic anaemia; (2) microcytic, hypochromic anaemia; (3) macrocytic normochromic anaemia. The latter is either a true pernicious anemia, which occurs fairly frequently in Hashimoto's thyroiditis, or maturation disorder of erythropoiesis as a result of folic acid deficiency. In three patients with primary hypothyroidism and macrocytic anaemia there were decreased levels of serum folic acid. After short-term administration of folic acid and 1-year of thyroxine the blood picture became normal in two of the patients.
Three different kinds of anaemia are seen in hypothyroidism: (1) normocytic, normochromic anaemia; (2) microcytic, hypochromic anaemia; (3) macrocytic normochromic anaemia. The latter is either a true pernicious anemia, which occurs fairly frequently in Hashimoto's thyroiditis, or maturation disorder of erythropoiesis as a result of folic acid deficiency. In three patients with primary hypothyroidism and macrocytic anaemia there were decreased levels of serum folic acid. After short-term administration of folic acid and 1-year of thyroxine the blood picture became normal in two of the patients.