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  Indian J Med Microbiol
 

Figure 2:: A 79-year-old man with a nonmucinous adenocarcinoma in the appendix (Case 4). (a) An axial sonography shows an irregular, hypoechoic mass (arrow) at the appendiceal base and cecum. Loss of the wall layer pattern is also noted. (b) On gross examination, adenocarcinoma (arrow) was detected at the appendiceal base. (c) A low-power microphotograph showes tumor cells infiltrating the mucosa, submucosa, muscularis, and serosa layers and periappendiceal tissue (H and E stain, ×100). B, appendix base; C, cecum; L, lumen; M, muscle; m, mucosa; S, serosa; sm, submucosa; P, periappendiceal tissue

Figure 2:: A 79-year-old man with a nonmucinous adenocarcinoma in the appendix (Case 4). (a) An axial sonography shows an irregular, hypoechoic mass (arrow) at the appendiceal base and cecum. Loss of the wall layer pattern is also noted. (b) On gross examination, adenocarcinoma (arrow) was detected at the appendiceal base. (c) A low-power microphotograph showes tumor cells infiltrating the mucosa, submucosa, muscularis, and serosa layers and periappendiceal tissue (H and E stain, ×100). B, appendix base; C, cecum; L, lumen; M, muscle; m, mucosa; S, serosa; sm, submucosa; P, periappendiceal tissue