The presence of large platelets (macrothrombocytes) and grey, spindle like inclusions within neutrophils, known as Dohle bodies is suggestive of May-Hegglin anomaly (MHA). Platelets are generally quite small, being a fraction of the size of normal red cells. In the image above, there are two large platelets in the top right-hand quadrant. Both the neutrophils pictured have a grey inclusion near the periphery. The presence of large platelets may give a pseudothrombocytopaenia, or a falsely low platelet count.

May-Hegglin anomaly is caused by a mutation in the gene coding for the MHY9 protein.

You can see a video summary here on the Only Cells YouTube channel.
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Images: Personal photography.