Figure 2. A. At 10x magnification, pulmonary histopathology stained with H&E, showing multiple intra-alveolar haemorrhages with the presence of hemosiderophages in relation to DAH. B. At 100x magnification (H&E), oedematous walls with polymorphonuclear cells, reactive endothelial cells, and type II pneumocyte hyperplasia in relation to pulmonary capillaritis. Abbreviations: H&E: Haematoxylin and eosin. DAH: Diffuse alveolar haemorrhage.