case_images: PMC9240588_01
case_images: CT scan of the abdomen showing an inflamed appendix with no peri-appendiceal
  wall thickening or fat stranding. No appendiceal diverticulitis was
  visible.
case_images: 10.1177_2050313X221106005-fig1.jpg
case_images: PMC9240588_01_10.1177_2050313X221106005-fig1.jpg
case_images: fig1-2050313X221106005
case_images: Computed tomography (CT) scan revealed an inflamed appendix with no peri-appendiceal wall thickening or fat stranding (Figure 1).
case_images: Appendiceal diverticulosis gross histopathology. Appendiceal diverticulosis
  (arrow). No appendicitis was seen.
case_images: 10.1177_2050313X221106005-fig2.jpg
case_images: PMC9240588_01_10.1177_2050313X221106005-fig2.jpg
case_images: fig2-2050313X221106005
case_images: The appendiceal specimen was sent for histopathologic evaluation which revealed no appendicitis, rather an acquired appendiceal diverticulum (Figure 2) and more notably a carcinoid tumor measuring 1.25 cm in size with invasion to the lamina propria, submucosa, muscularis propria, and mesoappendix, as well as lymphovascular and perineural involvement (Figures 3 and 4).
case_images: Neuroendocrine cells in mucosa of appendix (magnification: 100x).
case_images: 10.1177_2050313X221106005-fig3.jpg
case_images: PMC9240588_01_10.1177_2050313X221106005-fig3.jpg
case_images: fig3-2050313X221106005
case_images: The appendiceal specimen was sent for histopathologic evaluation which revealed no appendicitis, rather an acquired appendiceal diverticulum (Figure 2) and more notably a carcinoid tumor measuring 1.25 cm in size with invasion to the lamina propria, submucosa, muscularis propria, and mesoappendix, as well as lymphovascular and perineural involvement (Figures 3 and 4).
case_images: Chromogranin stain of appendiceal specimen (magnification: 100x).
case_images: 10.1177_2050313X221106005-fig4.jpg
case_images: PMC9240588_01_10.1177_2050313X221106005-fig4.jpg
case_images: fig4-2050313X221106005
case_images: The appendiceal specimen was sent for histopathologic evaluation which revealed no appendicitis, rather an acquired appendiceal diverticulum (Figure 2) and more notably a carcinoid tumor measuring 1.25 cm in size with invasion to the lamina propria, submucosa, muscularis propria, and mesoappendix, as well as lymphovascular and perineural involvement (Figures 3 and 4).