PMC6000840_01
(a) perforation (arrow). (b) Colonic mucosa with yellowish exudate and multifocal ulcers. (c) Transmural necrosis (H&E). (d) Ulcer and adjacent colonic mucosa.
CRIGM2018-3406437.001.jpg
PMC6000840_01_CRIGM2018-3406437.001.jpg
fig1
The resected transverse colon serosa was congested and dusky with site of perforation identified (Figure 1(a)). The colonic mucosa revealed diffusely edematous folds as well as confluent areas of yellowish exudate and multifocal ulcers (Figure 1(b)). Histologic sections confirmed the presence of transmural necroinflammation and multifocal ulceration (Figures 1(c) and 1(d)).