Fig. 1

Gross lesions and histology findings of a dog accidently poisoned by metaldehyde. a. stomach lumen filled with black and dark blue granules(black arrow); b. liver showing multifocal white-yellowish areas (black arrow); c. multifocal pale areas on the myocardial tissue (black arrow); d. kidneys were diffusely brown red and had discrete white lines on the cortex (black arrow); e. spleen had multifocal white (black head arrow) and brown areas (blackarrow); f. pancreas with peripancreatic fat necrosis (black arrow) and multifocal necrosis of epithelial cells (black head arrow); g. liver showing centrolobular hepatic necrosis and hemorrhage (black arrow); h. heart showed dilation of lymphatic vessels (black arrow); i. kidney with multifocal vacuolization (black head arrow) and necrosis and desquamation of tubular cells (black arrow); j. spleen showed central white pulp necrosis (black arrow) and depletion of defense cells (black head arrow). (H&E stain, 400x)