Journal of orthopaedic case reports · 2026
Atypical Presentation of MRSA Septic Arthritis with Concurrent Pyomyositis of the Calf Muscles in an Immunocompetent Adult.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Ошибки и ограничения
История · было → стало
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Tyagi Sameer, Goveas Dylan, Merchant Sanah, Pinto Russell, Sawhney Gurmeet
Аннотация
INTRODUCTION: Concurrent pyomyositis and septic arthritis without systemic symptoms is uncommon and may delay diagnosis.
CASE REPORT: A 36-year-old immunocompetent male presented with isolated right knee swelling, without fever or trauma. Magnetic resonance imaging revealed joint effusion and myositis in surrounding muscles. Joint aspiration confirmed Methicillin-resistant Staphylococcus aureus septic arthritis. Despite intravenous antibiotics, a growing intramuscular abscess in the gastrocnemius was detected on serial ultrasound. Surgical drainage was performed. The patient was treated with IV vancomycin for 2 weeks, followed by oral linezolid, and recovered fully.
CONCLUSION: Pyomyositis should be considered in septic arthritis with atypical presentations. Serial imaging and inflammatory markers are essential for guiding treatment.
CASE REPORT: A 36-year-old immunocompetent male presented with isolated right knee swelling, without fever or trauma. Magnetic resonance imaging revealed joint effusion and myositis in surrounding muscles. Joint aspiration confirmed Methicillin-resistant Staphylococcus aureus septic arthritis. Despite intravenous antibiotics, a growing intramuscular abscess in the gastrocnemius was detected on serial ultrasound. Surgical drainage was performed. The patient was treated with IV vancomycin for 2 weeks, followed by oral linezolid, and recovered fully.
CONCLUSION: Pyomyositis should be considered in septic arthritis with atypical presentations. Serial imaging and inflammatory markers are essential for guiding treatment.