Abstract
We describe a patient with systemic lupus erythematosus (SLE)-like disease on immunosuppressive treatment who developed septic arthritis of the knee involving Legionella dumoffii. Cultures initially remained negative. A broad-range 16S PCR using synovial fluid revealed L. dumoffii rRNA genes, a finding that was subsequently confirmed by positive Legionella culture results.
MeSH terms
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Arthritis, Infectious / microbiology*
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DNA, Bacterial / genetics
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DNA, Ribosomal / genetics
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Female
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Humans
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Immunocompromised Host
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Immunosuppressive Agents / administration & dosage
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Immunosuppressive Agents / adverse effects
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Legionella / classification
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Legionella / genetics
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Legionella / isolation & purification*
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Legionellosis / diagnosis*
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Legionellosis / microbiology
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Lupus Erythematosus, Systemic / complications*
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Lupus Erythematosus, Systemic / drug therapy
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Middle Aged
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Polymerase Chain Reaction
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RNA, Ribosomal, 16S / genetics
Substances
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DNA, Bacterial
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DNA, Ribosomal
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Immunosuppressive Agents
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RNA, Ribosomal, 16S