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Multiple Choice

Which anomaly presents with blue cytoplasmic inclusions resembling Doehle bodies but larger?

The distinguishing idea is blue cytoplasmic inclusions in neutrophils that look like Döhle bodies but are larger, often called Döhle-like inclusions, together with abnormal platelets. May-Hegglin anomaly features these larger Döhle-like inclusions in neutrophils and is accompanied by macrothrombocytopenia (giant platelets) due to an MYH9 gene mutation. This combination clearly sets it apart from other conditions: Alder-Reilly has deeply stippled, purple lysosomal granules in many leukocytes from mucopolysaccharide storage; Chediak-Higashi shows giant lysosomal granules with albinism and immunodeficiency; Pseudo-Pelger-Huët presents with bilobed or hyposegmented neutrophils without these inclusions. Thus, the presentation of larger Döhle-like inclusions aligns best with May-Hegglin anomaly.

The distinguishing idea is blue cytoplasmic inclusions in neutrophils that look like Döhle bodies but are larger, often called Döhle-like inclusions, together with abnormal platelets. May-Hegglin anomaly features these larger Döhle-like inclusions in neutrophils and is accompanied by macrothrombocytopenia (giant platelets) due to an MYH9 gene mutation. This combination clearly sets it apart from other conditions: Alder-Reilly has deeply stippled, purple lysosomal granules in many leukocytes from mucopolysaccharide storage; Chediak-Higashi shows giant lysosomal granules with albinism and immunodeficiency; Pseudo-Pelger-Huët presents with bilobed or hyposegmented neutrophils without these inclusions. Thus, the presentation of larger Döhle-like inclusions aligns best with May-Hegglin anomaly.