Fig. 2From: Autopsy case of acute pulmonary thromboembolism with neurosyphilisHistological images of the thrombi in the lung and deep veins. No signs of organization or vascular fibrosis were observed. a–c Lung. d–f Deep vein. Hematoxylin and eosin staining (a, d), PTAH (phosphotungstic acid hematoxylin) staining (b, e), and EVG (Elastica van Gieson) staining (c, f)Back to article page