Fig. 4

a Barium enema images of a 42-year-old patient native to Bolivia, it shows megacolon fundamentally at the expense of sigmoid colon (s). Chagas disease was confirmed by serologic testing. b and c Cardiac chronic Chagas disease. 50-year-old male from Bolivia. Cardiac MR delayed contrast-enhanced sequence with four-chamber view (b) and two-chamber short axis view (c); some areas of delayed transmural enhancement can be appreciated in the left ventricle (arrows) with a non-coronary territory distribution, indicating myocardial fibrosis or necrosis. Note the basal inferolateral and apical locations, the most frequently affected areas in cardiac chronic Chagas affection