Multidisciplinary approach to suspected sudden unexpected infant death caused by milk-aspiration: A case report

Figure 2 Results of histological examination. A: Lung tissue, marked congestion of alveolar septal capillaries, which were also engorged with white blood cells, and endo-alveolar incongruous material (black arrows) (haematoxylin-eosin, × 60); B: A positive CD15 mantle of cells (orange arrows) was immersed in endobronchial incongruous material; C: Strong CD68 positivity was visible throughout lung parenchyma (orange arrows); D: Marked alpha-lactalbumin positivity of the intra-alveolar substance was also evident; E: Cytoplasmic staining of macrophages was especially prominent.