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Familial Mediterranean fever may mimic acute appendicitis in children
Per Wekell1,2, Tomas Wester3,4
1Department of Pediatrics, NU-Hospital Group, Uddevalla, Sweden.
Abstract:
Acute appendicitis is the most common surgical emergency in children. Diagnosis and management are often straightforward. However, familial Mediterranean fever is an important condition to consider in the assessment of children with acute abdominal pain, particularly in children with an origin in eastern Mediterranean basin where the disease is common. The key feature of familial Mediterranean fever is relapsing episodes of fever and serositis including peritonitis, pleurisy, or arthritis. The disease is treated with colchicine that prevents acute attacks, control subclinical inflammation between the attacks and the long-term complication of amyloidosis. The acute attacks may be a challenge to identify and distinguish from other causes of acute abdomen, including acute appendicitis, but also small bowel obstruction. Ultrasound and CT scan findings are nonspecific during acute attacks of familial Mediterranean fever, but imaging is useful to identify acute appendicitis and small bowel obstruction. The purpose of this article was to increase the awareness and knowledge of familial Mediterranean fever and provide support for the paediatric surgeon in the clinical care of these children in parts of the world where familial Mediterranean fever is rare.
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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