Fig. 3

Longitudinal scan of right caudal pulmonary lobe of a crossbreed dog with pneumonia at wash in (a) and at peak intensity (b). Each image illustrates contrast enhancement on the left and the grey scale image on the right. (a) There is an intense enhancement of the pulmonary arteries (asterisks) with a typical tree-like ramification. (b) Intense and homogeneous enhancement of the entire lobe at peak intensity