Mesenteric Adenitis

Christina Conrad, D.O. Reviewed 04/2024

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

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.

Helbl...

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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