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Pure Red Cell Aplasia

Selective Erythroid Failure with Normocytic Anemia

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Hematoloji department. Book Appointment →

What is Pure Red Cell Aplasia?

A heterogeneous disorder defined by selective failure of erythroid lineage with preserved myeloid and megakaryocytic production

Bone marrow shows severe reduction or absence of erythroid precursors below 1% of cellularity

Acquired forms include idiopathic, thymoma-associated, parvovirus B19, lymphoproliferative, and drug-induced subtypes

Congenital Diamond-Blackfan anemia results from ribosomal protein gene mutations in pediatric patients

Anti-erythropoietin antibodies cause a distinct subtype in patients receiving recombinant erythropoietin

Symptoms

Progressive fatigue, pallor, and exertional dyspnea from severe anemia
Headache, dizziness, and palpitations as hemoglobin declines
Findings of underlying disease such as a thymoma, lymphoma, or autoimmune disorder
Iron overload signs from chronic transfusion dependence in long-standing cases
Absence of bleeding or infection symptoms because platelets and white cells remain normal

Risk Factors

Thymoma is associated with approximately 5% to 10% of acquired adult cases
Chronic lymphocytic leukemia and large granular lymphocytic leukemia clones
Recent parvovirus B19 infection, particularly with immunocompromise or hemoglobinopathies
Use of erythropoietin-stimulating agents with antibody formation
Drugs such as phenytoin, isoniazid, azathioprine, and certain checkpoint inhibitors

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Severe normocytic anemia with reticulocytopenia not explained by iron, B12, or folate deficiency
  • Anemia accompanied by mediastinal mass, lymphadenopathy, or autoimmune disease
  • Loss of erythropoietin response with rapidly worsening anemia in dialysis patients
  • Anemia in pregnancy, immunocompromise, or hemoglobinopathy with parvovirus exposure
  • Need for transfusion dependence requiring specialist evaluation

Treatment Methods

01
Treatment of underlying cause including thymectomy, antiviral therapy, or drug withdrawal
02
Immunosuppression with cyclosporine, corticosteroids, antithymocyte globulin, or rituximab
03
Intravenous immunoglobulin for parvovirus B19-related cases in immunocompromised hosts
04
Switch of erythropoietin product and immunosuppression for antibody-mediated forms
05
Iron chelation, transfusions, and hematopoietic stem cell transplantation in selected refractory cases

Which Department to Visit?

You can visit our Hematoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Let us help you

You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.