Figure 1
Macroscopic and microscopic findings of the heart. (A) The heart weighted 460 g and showed marked dilated and congested coronary veins posterior to the right ventricle (arrows). (B). A formalin-fixed horizontal cross-section of the base of the heart revealed a fresh thrombus at the orifice of the coronary sinus (arrow). (C) Histopathological examination revealed extensive hemorrhagic change around the coronary vein (HE, ×40). At the site of venous rupture, infiltration of leukemic cells was focally observed.