Fig. 9From: Vasoproliferative process resembling pulmonary capillary hemangiomatosis in a catLung immunohistochemistry for expression of the endothelial cell surface antigen CD31 in a cat with PCH-like disease. Antibody against CD31 identifies capillary endothelial cells infiltrating around bronchiolar smooth muscle (arrowhead) as well as highlighting the increased numbers of capillaries within the surrounding alveolar parenchyma. Immunohistochemistry, diaminobenzidine chromagenBack to article page