La Revue de medecine interne · 2001
[Primary Neisseria meningitidis arthritis of the knee without meningitis: contribution of synovial fluid culture in blood-culture vial].
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Cartolano G L, Le Lostec Z, Chéron M, Boisivon A, Welker Y, Mornet P
Аннотация
INTRODUCTION: Primary meningococcal arthritis is a rare form of meningococcal disease. It occurs as an isolated acute purulent arthritis without meningitis, and presence of Neisseria meningitidis in articular fluid. We report a new case of typical primary meningococcal arthritis.
EXEGESIS: A previously healthy 23-year-old female patient was admitted for purpuric lesions of the legs. At admission, conscience was normal and symptoms of meningitis were absent. During the 2nd day of hospitalisation, a warm and painful effusion in the right knee appeared. Aspiration from the right knee yielded a purulent fluid. N. meningitidis was isolated from a blood-culture vial inoculated with the synovial fluid, while blood cultures remained sterile. Anti-biotherapy was initiated as soon as microbiological diagnosis was established. The patient was symptom-free 1 month later.
CONCLUSION: We emphasize the fact that agar cultures of the synovial fluid remained sterile, while N. meningitidis grew in a blood-culture vial. We suggest that diagnosis of primary meningococcal arthritis may be underestimated when inappropriate culture media are used.
EXEGESIS: A previously healthy 23-year-old female patient was admitted for purpuric lesions of the legs. At admission, conscience was normal and symptoms of meningitis were absent. During the 2nd day of hospitalisation, a warm and painful effusion in the right knee appeared. Aspiration from the right knee yielded a purulent fluid. N. meningitidis was isolated from a blood-culture vial inoculated with the synovial fluid, while blood cultures remained sterile. Anti-biotherapy was initiated as soon as microbiological diagnosis was established. The patient was symptom-free 1 month later.
CONCLUSION: We emphasize the fact that agar cultures of the synovial fluid remained sterile, while N. meningitidis grew in a blood-culture vial. We suggest that diagnosis of primary meningococcal arthritis may be underestimated when inappropriate culture media are used.