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[Familial Mediterranean fever in a German family]
H Hawle1, G Winckelmann, C S Kortsik
1Deutsche Klinik für Diagnostik, Wiesbaden.
Abstract:
A 14-year-old German boy had the characteristic signs and symptoms of familial mediterranean fever with recurrent attacks of fever which ran a uniform course and were self-limiting. Laparoscopy revealed sterile peritonitis and marked humoral inflammatory signs. Each acute phase was confined to three days, alternating with symptom-free intervals which lasted for as long as several months. The boy's father and three other members of the paternal family have had similar disease symptoms. Even in patients who are not members of a predisposed ethnic group familial mediterranean fever should be included in the differential diagnosis as a rare cause of recurrent episodes of fever of unknown aetiology.
Insights
Familial Mediterranean Fever (FMF) can occur in non-Mediterranean populations. This rare genetic disorder presents with recurrent fevers and sterile peritonitis, even in individuals without typical ethnic predispositions.
Area of Science:
- Internal Medicine
- Genetics
- Rheumatology
Background:
- Familial Mediterranean Fever (FMF) is a rare autoinflammatory disease characterized by recurrent episodes of fever and serositis.
- It is typically observed in individuals of Mediterranean descent, but its occurrence in other ethnic groups is increasingly recognized.
Observation:
- A 14-year-old German boy presented with classic signs and symptoms of FMF, including self-limiting, recurrent fevers.
- Laparoscopy confirmed sterile peritonitis and significant humoral inflammatory markers during acute phases.
- The patient's father and other paternal relatives exhibited similar symptoms, suggesting a familial pattern.
Findings:
- The patient experienced acute febrile episodes lasting three days, interspersed with symptom-free intervals of several months.
- Laboratory findings indicated marked humoral inflammatory signs during symptomatic periods.
- The familial history strongly supported the diagnosis of FMF in a non-predisposed ethnic group.
Implications:
- This case highlights the importance of considering FMF in the differential diagnosis of recurrent fevers of unknown origin, irrespective of ethnic background.
- Expanding the diagnostic criteria beyond traditional ethnic groups is crucial for accurate and timely diagnosis of FMF.
- Early diagnosis and management of FMF can prevent long-term complications such as amyloidosis.