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[Periodic disease and periarteritis nodosa in the same patient: coincidence?]
M Pechère1, C Helfer, F L Laurencet
1Clinique médicale thérapeutique, Hôpital cantonal universitaire, Genève.
Abstract:
Familial Mediterranean fever (FMF) chiefly affects patients of Arabic, Jewish, Armenian or Turkish origin and takes the form of recurrent episodes of peritonitis, arthritis or pleurisy. Periarteritis nodosa (PAN) is a vasculitis affecting elderly people and manifested by a general deterioration, unexplained fever and peripheral neuropathy or muscular weakness. We describe a patient presenting both diseases. Ours is the seventh reported case associating these two affections. This association was suspected by SACHS and co-workers who discovered an increased frequency of PAN in patients with FMF compared to the expected rate for the whole population (7). These observations warrant a search for PAN in young patients affected by FMF and showing signs of vasculitis.
Insights
Familial Mediterranean fever (FMF) and polyarteritis nodosa (PAN) are rare co-occurring conditions. This case highlights the importance of screening FMF patients for vasculitis signs.
Area of Science:
- Rheumatology
- Genetics
- Immunology
Background:
- Familial Mediterranean fever (FMF) is an autoinflammatory disease primarily affecting individuals of Mediterranean and Middle Eastern descent.
- FMF is characterized by recurrent episodes of serositis, arthritis, and pleurisy.
- Polyarteritis nodosa (PAN) is a systemic necrotizing vasculitis typically affecting middle-aged and older adults.
Observation:
- This report details a rare case of a patient presenting with both Familial Mediterranean fever and polyarteritis nodosa.
- This represents the seventh documented instance of this dual diagnosis in medical literature.
- Previous research suggested a potential link, noting an increased frequency of PAN in FMF patients.
Findings:
- The co-occurrence of FMF and PAN, though infrequent, has been observed.
- The association suggests a possible shared underlying pathogenetic mechanism or increased susceptibility in certain populations.
- Early recognition of vasculitic symptoms in FMF patients is crucial.
Implications:
- Clinicians should consider screening for PAN in young FMF patients exhibiting signs suggestive of vasculitis.
- Further research is warranted to elucidate the relationship between FMF and PAN.
- Understanding this association may lead to improved diagnostic and therapeutic strategies for patients with FMF and vasculitis.