Which condition is most closely associated with granulocyte hyposegmentation?

Which condition is most closely associated with granulocyte hyposegmentation?

• A. Alder-Reily anomaly
• B. Pelger-Huet anomaly
• C. May-Hegglin anomaly
• D. Gaucher's disease

Answer: (B)

Granulocyte hyposegmentation is most characteristically seen in Pelger-Huet anomaly, an inherited condition where neutrophils have nuclei that are bilobed or even unsegmented. This happens because of a defect in nuclear maturation during granulopoiesis, typically due to mutations affecting the lamin B receptor. The neutrophils still function largely normally, but their nuclei look abnormally simple, which is the telltale clue for this anomaly. Alder-Reilly anomaly features prominent granules in neutrophils and other cells, May-Hegglin anomaly shows Döhle-like inclusions with giant platelets, and Gaucher disease involves lipid-laden macrophages rather than neutrophil nuclear morphology.

Granulocyte hyposegmentation is most characteristically seen in Pelger-Huet anomaly, an inherited condition where neutrophils have nuclei that are bilobed or even unsegmented. This happens because of a defect in nuclear maturation during granulopoiesis, typically due to mutations affecting the lamin B receptor. The neutrophils still function largely normally, but their nuclei look abnormally simple, which is the telltale clue for this anomaly.

Alder-Reilly anomaly features prominent granules in neutrophils and other cells, May-Hegglin anomaly shows Döhle-like inclusions with giant platelets, and Gaucher disease involves lipid-laden macrophages rather than neutrophil nuclear morphology.