A colonic perineurioma is often considered a benign cousin to a colonic polyp. However, in the submucosal type of perineurioma, it is important to rule out the malignant gastrointestinal stromal tumor (GIST). Alternatively, in the BRAF-positive serrated types of perineuriomas, surveillance is equivalent to intervals designated to serrated polyps due to a similar malignant potential. These versions serve as reminders that colonic perineuriomas are not to be disregarded.

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Table 1. The average length of hospital stay, percentage of patients required ICU care, and percentage of patients who has expired in each group along with the median and mode Groups Average Length of Hospital Stay Percentage of Patients required ICU care Percentage of Patients who has expired Group 1

Figure 1. a,b. Duodenal Ulcers. Image c. 2.5 cm mass-like thickening with restricted diffusion in the distal gastric antrum suspicious for neoplasm with an adjacent 1.5 cm lymphadenopathy.