Hvis alle nævnte tilstande kan udelukkes, og patienten har et pludseligt fald i hæmoglobin ledsaget af reticulocytopeni og anti- erythropoietinantistoffer, bør undersøgelse af knoglemarven for diagnosen Pure Red Cell Aplasia (PRCA) overvejes.
If all the conditions mentioned are excluded and the patient has a sudden drop of haemoglobin associated with reticulocytopenia and anti-erythropoietin antibodies, examination of the bone marrow for the diagnosis of Pure Red Cell Aplasia (PRCA) should be considered.