Characteristic peripheral blood smear findings in some inherited platelet disorder (IPDS). (A) Döhle like inclusion body in neutrophil and large-sized platelet (arrow) in MYH9-related disorder, one of the macrothrombocytopenic IPDS (Wright-Giemsa stain, ×1,000). (B) Platelet with the absence of normal cytoplasmic color (arrows) in gray platelet syndrome (GPS) (Wright-Giemsa stain, ×1,000) (adapted from ). (C, D) Transmission electron microscopy images of platelets from normal (C) and GPS patient (D) with marked deficiency of α-granule (×14,400) (adapted from . (E) Characteristic neutrophilic granules in Chediak- Higashi syndrome (Wright-Giemsa stain, ×1,000) (adapted from ).