PMC5219617_01
Histological findings of pulmonary veno-occlusive disease in Case 1. Trichrome stain demonstrating findings consistent with pulmonary veno-occlusive disease. There is collagenous (blue) obliteration of a prominent interlobular septal vein as well as scattered background fibrotic vessels and pulmonary capillary hemangiomatosis.
gr1.jpg
PMC5219617_01_gr1.jpg
fig1
Histological findings consistent with PVOD and PCH in her lung following death are shown in Fig. 1.
PMC5219617_02
Histological findings of pulmonary capillary hemangiomatosis in Case 2. Hematoxylin and Eosin stain showing alveolar septa with numerous capillary-size blood vessels consistent with pulmonary capillary hemangiomatosis.
gr2.jpg
PMC5219617_02_gr2.jpg
fig2
The histological findings of PCH in her lung following death are shown in Fig. 2.