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Omar Adwan: The Role of Reticulocytes in Anemia Evaluation
Omar Adwan/LinkedIn
Jun 19, 2026, 11:41

Omar Adwan: The Role of Reticulocytes in Anemia Evaluation

Omar Adwan, Medical Laboratory Technologist at Modawah lab center, shared a post on LinkedIn:

“Reticulocyte Count Test

1. Definition

The reticulocyte count test is a laboratory test used to measure the percentage or number of reticulocytes (immature red blood cells) in the blood.

It helps to assess bone marrow activity and red blood cell production.

2. Principle

Reticulocytes contain residual RNA.

When blood is stained with a supravital stain (like New Methylene Blue), the RNA appears as a blue network or granules, allowing reticulocytes to be identified and counted under a microscope.

3. Objective

  • To evaluate bone marrow response
  • To help diagnose anemia
  • To monitor treatment response (iron, vitamin B₁₂, folate therapy)
  • To assess blood loss or hemolysis.

4. Materials Required

  • EDTA anticoagulated blood
  • New Methylene Blue stain
  • Glass slides
  • Pasteur pipette
  • Microscope
  • Test tubes
  • Cover slips.

5. Procedure

  1. Take equal amounts of blood and stain in a test tube.
  2. Mix well and incubate for 15–20 minutes at room temperature.
  3. Prepare a thin blood smear on a clean slide.
  4. Allow the smear to air dry.
  5. Examine under oil immersion objective.
  6. Count reticulocytes among 1000 red blood cells.

6. Observation

  • Reticulocytes appear as RBCs with blue reticular (mesh-like) structures
  • Calculate reticulocyte percentage:

7. Advantages

  • Simple and inexpensive test
  • Indicates bone marrow activity
  • Useful in anemia diagnosis
  • Helps monitor treatment effectiveness.

8. Limitations

  • Manual counting may cause observer error
  • Requires proper staining technique
  • Does not identify the cause of anemia
  • Affected by recent blood transfusion.”

Omar Adwan: The Role of Reticulocytes in Anemia Evaluation

Other posts featuring Omar Adwan on Hemostasis Today.

anemia Blood CBC Health Hematology Hemostasis Hemostasis News Hemostasis Today Medicine Omar Adwan RBCs Reticulocytes
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