Fig. 5

Platelet Imaging in Chinese Children with Hermansky-Pudlak Syndrome or Non-syndromic Oculocutaneous Albinism Type 1. Representative whole-mount transmission electron microscopy images of platelets demonstrate absent dense granules in platelets from Chinese pediatric patients with HPS-1 (a) or HPS-4 (b). A few dense granules (white arrows) are shown in platelets from two different children with OCA1 (c, d) (scale bar = 500 nm)