Histopathological findings of pulmonary tumor thrombotic microangiopathy in case 2. (A and B) Fibrocellular intimal proliferation occludes the lumen of the pulmonary artery under 100 μm in diameter (Hematoxylin-eosin (HE) double stain and elastica van Gieson (EVG) stain, × 400). (C and D) Neither prominent fibrocellular intimal proliferation nor carcinoma cells were present in the pulmonary artery over 300 μm in diameter (HE double stain and EVG stain, × 40).
Okubo et al. Diagnostic Pathology 2011 6:27 doi:10.1186/1746-1596-6-27