Mesentery is tissue that connects the intestines to the wall of the abdomen. This tissue also has lymph nodes. Mesenteric adenitis is swelling in these lymph nodes. The condition is also known as mesenteric lymphadenitis.
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The lymph nodes are part of the immune system. They help clear infectious and damaged tissue out of an infected area. Lymph nodes swell when an infection is near and the nodes are active.
Mesenteric adenitis is most often caused by an infection in the stomach or intestines. Viruses are the most common cause of these infections, but some may be due to bacteria.
Children are at increased risk of developing mesenteric adenitis.
Symptoms often follow a cold and may include:
You will be asked about your child’s symptoms and medical history. A physical exam will be done.
Your child’s bodily fluids may be tested. This can be done with blood tests.
Images may be taken of your child’s bodily structures. This can be done with:
Mesenteric adenitis is usually not serious. Symptoms will go away after a few days to weeks.
Over-the-counter pain relievers may be used to help reduce discomfort.
If a bacterial infection is present and persistent, antibiotics may be recommended.
Avoiding viral or bacterial infections can help reduce your chance of getting mesenteric adenitis. Steps that may decrease your risk of infection include:
Family Doctor—American Academy of Family Physicians
Healthy Children—American Academy of Pediatrics
Caring for Kids—Canadian Paediatric Society
Mesenteric adenitis. Patient UK website. Available at: https://patient.info/health/mesenteric-adenitis. Updated July 23, 2017. Accessed December 8, 2017.
Mesenteric adenitis. Radiopaediag website. Available at: https://radiopaedia.org/articles/mesenteric-adenitis. Accessed December 8, 2017.
Last reviewed November 2018 by EBSCO Medical Review Board David L. Horn, MD, FACP Last Updated: 10/3/2016