The ileocolic nodes lie along the ileocolic artery in the root of the mesentery, receiving lymph from the end of the small intestine, appendix, caecum and start of the ascending colon.
| Location | Along the ileocolic artery, from the ileocaecal junction to the superior mesenteric artery |
|---|---|
| Receives lymph from |
|
| Lymphatic drainage |
Filter lymph from the ileocaecal region.
Enlarged tender ileocolic nodes in children (mesenteric adenitis) mimic appendicitis. They are removed with right hemicolectomy for caecal and appendiceal cancers, and are involved in Crohn disease and Yersinia infection.
Inflamed ileocolic nodes, usually after a viral infection, causing right lower abdominal pain in children.
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