Question
The cell marked by a “black arrow” in the blood smear of a patient below are most commonly seen in cases of?
A. Liver diseases.
B. Sickle cell anaemia.
C. G6PD deficiency.
D. All of the above.
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Correct Answer » B Explanation |
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Ans: B. Sickle Cell Anemia
in the image,the arrow is pointing towards the Sickle Cell.
Sickle cells (drepanocytes)
- It used to indicate sickle-like forms of erythrocytes (crescent-shaped, irregular spines, filaments, holly-leaf appearance).
- It is noted when RBC containing HbS are subjected to reduction in oxygen tension or pH.
- Sickle cell disease (SCD) describes a group of inherited red blood cell disorders. People with SCD have abnormal hemoglobin, called hemoglobin S or sickle hemoglobin, in their red blood cells.
There are several different forms of sickle cell disease:
- Hemoglobin SS, also called sickle cell anemia, is usually the most severe type of this disorder.
Other common forms include:
- Hemoglobin SC (usually mild)
- Hemoglobin Sβ thalassemia
Rare types are:
- Hemoglobin SD
- Hemoglobin SE