Fig. 3: Histological analysis of lung thrombi.
From: Thromboembolism after COVID-19 vaccine in patients with preexisting thrombocytopenia
A–D Histological and electron microscopy analysis of lung tissues. Both PAS (A) and silver (B) staining show vascular thrombi (asterisks) in lung capillaries (scale bar 100 µm). C Electron micrograph shows vascular thrombi characterized by microvascular fibrin deposition (asterisks). The thrombi include degenerated monocytes (arrows) (scale bar 5 µm). D Image displays vascular thrombi with microvascular fibrin deposition (asterisks) and well-preserved pericytes (arrows) (scale bar 5 µm).
