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Pulmonary Necrotizing Granulomas in a patient with familial mediterranean fever

Hisako Kushima1, Hiroshi Ishii, Koji Ishii

  • 1a Department of Respiratory Medicine , Oita University Hospital , Oita , Japan.

Modern Rheumatology
|November 21, 2013
PubMed

Insights

Familial Mediterranean Fever (FMF) can rarely cause lung inflammation. This case highlights granulomatous lung lesions with specific inflammatory cell infiltrates, offering new insights into FMF pulmonary manifestations.

Area of Science:

  • Immunology
  • Pulmonology
  • Genetics

Background:

  • Familial Mediterranean Fever (FMF) is a rare autoinflammatory disorder.
  • FMF typically presents with recurrent fever, arthritis, and skin lesions.
  • Pulmonary involvement in FMF is exceptionally uncommon.

Observation:

  • A case of FMF presented with unusual granulomatous lung lesions.
  • These lesions showed specific inflammatory cell infiltrates.
  • The infiltrates were positive for NACHT-LRR1, including NAIP, CIITA, HET-E, and TP1 proteins.

Findings:

  • This study details the first immunologically confirmed case of pulmonary FMF.
  • The findings reveal a unique presentation of granulomatous lung disease in FMF.
  • Specific protein markers were identified in the inflammatory infiltrates.

Implications:

  • This report expands the known clinical spectrum of Familial Mediterranean Fever.
  • It underscores the importance of considering FMF in patients with unexplained pulmonary granulomatous disease.
  • Further research into the pathogenesis of FMF-associated lung disease is warranted.
Keywords:
ImmunohistochemistryLungfamilial Mediterranean fever

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