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Mesenteric Adenitis

Anne Walsh, MMSc, PA-C, DFAAPA and Kashyap Trivedi, MD Reviewed 06/2018
 


BASICS

Inflammation of the mesenteric lymph nodes; a common cause of self-limited RLQ abdominal pain 

DESCRIPTION

  • Characterized by benign inflammation of the mesenteric lymph nodes; can be acute or chro...

DIAGNOSIS

HISTORY

The onset of symptoms is variable; nausea or abdominal pain is usually the initial presenting symptom. Symptoms are often nonspecific. 
  • Nausea and vomiting (may precede abdominal pain)

  • ...

TREATMENT

MEDICATION

First Line

  • Supportive and symptomatic treatment for uncomplicated cases

  • IV fluid resuscitation if hypovolemic

  • Correct underlying electrolyte aberrations.

  • Pain control

Second Line

  • Broad-s...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

Close outpatient monitoring is needed to ensure total resolution of symptoms which may last up to 4 weeks. 

DIET

There are no specific dietary rec...

REFERENCES

1
Millet I, Alili C, Pages E, et al. Infection of the right iliac fossa. Diagn Interv Imaging.  2012;93(6):441–452. [View Abstract on OvidMedline]
2
Helbling R, Conficconi E, Wyttenbach M...

ADDITIONAL READING

Patlas MN, Alabousi A, Scaglione M, et al. Cross-sectional imaging of nontraumatic peritoneal and mesenteric emergencies. Can Assoc Radiol J.  2013;64(2):148–153. 

CODES

ICD10

I88.0 Nonspecific mesenteric lymphadenitis 

ICD9

289.2 Nonspecific mesenteric lymphadenitis 

SNOMED

  • 267548000 Nonspecific mesenteric adenitis

  • 49631001 Acute mesenteric adenitis

  • 191377002 Chronic ...

CLINICAL PEARLS

  • Mesenteric adenitis is an inflammatory process that mimics appendicitis and intussusception. Definitive diagnosis requires imaging.

  • More common in children, more often primary, and ofte...

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