Case Report Open Access

Septic Arthritis of the Knee in an Immunocompetent Adult: A Delayed Presentation with Favorable Outcome Following Early Surgical Intervention

Abstract

Septic arthritis is a rapidly progressive joint infection that constitutes a medical emergency due to its potential to cause irreversible joint destruction and systemic complications. Prompt diagnosis and management are essential to preserve joint function and prevent mortality. We report a case of a 54-yearold immunocompetent male presenting with acute monoarticular knee pain, swelling, and fever following a minor skin abrasion. Initial symptoms were misinterpreted as gout, leading to delayed antibiotic therapy. Synovial fluid analysis confirmed Staphylococcus aureus infection. The patient was managed with urgent arthroscopic irrigation and intravenous antibiotics, resulting in significant clinical improvement. This case highlights the importance of early recognition, appropriate diagnostic evaluation, and aggressive management of septic arthritis even in immunocompetent individuals.

Claire Dubois

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