Familial Mediterranean fever may mimic acute appendicitis in children

Per Wekell1,2, Tomas Wester3,4

  • 1Department of Pediatrics, NU-Hospital Group, Uddevalla, Sweden.

Insights

Familial Mediterranean Fever (FMF) can mimic appendicitis in children, causing diagnostic challenges. Awareness of FMF is crucial for pediatric surgeons, especially in regions where it is uncommon.

Area of Science:

  • Pediatric Surgery
  • Genetics and Hereditary Diseases
  • Internal Medicine

Background:

  • Acute appendicitis is the most frequent surgical emergency in children.
  • Familial Mediterranean Fever (FMF) presents with recurrent fever and serositis, potentially mimicking acute abdominal conditions.
  • FMF is prevalent in specific ethnic groups but can occur elsewhere, posing diagnostic challenges.

Purpose of the Study:

  • To enhance awareness and knowledge of Familial Mediterranean Fever (FMF) among pediatric surgeons.
  • To provide clinical support for managing children with FMF presenting with acute abdominal pain.
  • To aid in differentiating FMF from acute appendicitis and other surgical emergencies.

Main Methods:

  • Review of clinical features of FMF relevant to pediatric surgical emergencies.
  • Analysis of diagnostic challenges in distinguishing FMF from acute appendicitis and small bowel obstruction.
  • Discussion of imaging findings (ultrasound, CT) in FMF and other acute abdominal conditions.

Main Results:

  • FMF attacks, characterized by fever and serositis, can mimic surgical emergencies like appendicitis.
  • Imaging findings during FMF attacks are often nonspecific, unlike those for appendicitis or obstruction.
  • Colchicine is the primary treatment for FMF, preventing attacks and long-term complications like amyloidosis.

Conclusions:

  • Pediatric surgeons must consider FMF in the differential diagnosis of acute abdominal pain in children, especially those with relevant ancestry.
  • Early recognition and appropriate management of FMF are essential to prevent misdiagnosis and unnecessary surgery.
  • Increased awareness and knowledge of FMF can improve patient outcomes in areas where the disease is rare.

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