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Mesenteric Adenitis

Christina Conrad, D.O. Reviewed 06/2022
 


BASICS

Non-specific 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 ...

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-sp...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

Close outpatient monitoring is needed to ensure total resolution of symptoms, which usually lasts 2–4 weeks but occasionally more. 

DIET

There are...

REFERENCES

1
Benetti C, Conficconi C, Hamitaga F, et al. Course of acute nonspecific mesenteric lymphadenitis: single-center experience. Eur J Pediatr. 2018;177(2):243–246.
2
Helbl...

ADDITIONAL READING

Patlas  MN, Alabousi  A, Scaglione  M, et al. Cross-sectional imaging of nontraumatic peritoneal and mesenteric emergencies. Can Assoc Radiol J. ...

CODES

ICD10

I88.0 Nonspecific mesenteric lymphadenitis 

SNOMED

  • 267548000 Nonspecific mesenteric adenitis

  • 49631001 Acute mesenteric adenitis

  • 191377002 Chronic mesenteric lymphadenitis (disorder)

  • 44897000 Mes...

CLINICAL PEARLS

  • Mesenteric adenitis is an inflammatory process that mimics appendicitis and intussusception. It is generally self limited in nature. Definitive diagnosis requires imaging.

  • Primary disea...

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