case_images: PMC11738137_01
case_images: PMC11738137_02
case_images: ETosis in the lung tissue of a patient with Hermansky-Pudlak syndrome pulmonary fibrosis. (A) Hematoxylin and eosin stain at x400 magnification. (B) Myeloperoxidase (MPO) stain at x400 magnification. (C) Citrullinated histone 3 (CitH3) stain at x400 magnification. Scale bar represents 0.2 mm. The arrow in A indicates macrophages within a honeycomb cystic space, while the arrows in B and C highlight clusters of MPO- and CitH3-positive ETosis, respectively.
case_images: jcs-58-1-46-f1.jpg
case_images: PMC11738137_02_jcs-58-1-46-f1.jpg
case_images: F1
case_images: Sections of lung samples from a patient with HPS-PF were stained with H&E, MPO, and CitH3 (Fig. 1A-C, respectively).