Fig. 6.

Pathology of chronic human Chagas' heart disease. (A) Cardiomegaly in an adult with increased ventricles, bulging pulmonary artery conus, lymphatic vessel engorgement, and whitish soldier's patch. (B) Parasympathetic ganglion showing ganglionitis and neuronolysis. (C) Histopathological lesion consisting of strike mononuclear cell infiltrates and diffuse target heart cell lysis. A typical minimal rejection unit is encircled. (Reprinted from reference 408 with permission of the publisher.)