Erythrocytosis due to a combination of the high oxygen affinity hemoglobin variant, Hb Olympia [beta20(B2)Val-->Met] with beta- and alpha-thalassemia mutations: first case in the literature.

Abstract excerpt

A 40-year-old Greek male was admitted to the hospital because of acute respiratory infection. The patient has been undergoing regular venesection for erythrocytosis for 20 years; he has also been taking oral anticoagulants for thrombosis for 15 years. The molecular defect for erythrocytosis was detected together with the rare Hb Olympia (HBB:c.61G>A) variant. This hemoglobin (Hb) variant was found in combination...

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