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Red Blood Cell Morphology Abnormalities

Diagnostic significance of erythrocyte shape and size variations

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

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 Red Blood Cell Morphology Abnormalities?

Red blood cell morphology abnormalities are shape size or color variations of erythrocytes seen on peripheral blood smear that provide important diagnostic clues. Systematic smear review remains essential despite advances in automated counters for evaluating anemia and hematologic disease.

Common shape abnormalities include spherocytes in hereditary spherocytosis or autoimmune hemolysis sickle cells in sickle cell disease target cells in liver disease and thalassemia schistocytes in microangiopathic hemolytic anemia and acanthocytes in liver disease or abetalipoproteinemia. Each pattern suggests specific differential considerations.

Size abnormalities include microcytes suggesting iron deficiency or thalassemia and macrocytes suggesting B12 folate deficiency or myelodysplasia. Inclusions like Howell Jolly bodies indicate splenectomy or hyposplenism while basophilic stippling suggests lead poisoning or thalassemia. Smear correlation with clinical presentation guides further workup.

Symptoms

Anemia symptoms underlying many findings
Jaundice when hemolysis is present
Splenomegaly in chronic hemolysis
Bleeding in microangiopathic disease
Variable based on underlying etiology

Risk Factors

Hereditary hemolytic anemia
Liver disease with lipid abnormalities
Microangiopathic process or DIC
Splenectomy or functional hyposplenism
Lead exposure or toxic exposures

When to See a Doctor?

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

  • When unexplained anemia persists
  • When hemolysis markers are elevated
  • When abnormal cells are reported on smear
  • When systemic illness with cytopenias occurs

Treatment Methods

01
Peripheral smear review by experienced reviewer
02
Reticulocyte count and hemolysis markers
03
Direct antiglobulin test when AIHA suspected
04
Hemoglobin electrophoresis for hemoglobinopathy
05
Iron studies and B12 folate levels
06
Specialist referral for diagnostic confirmation

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.

Learn About Hematoloji Department

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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.