Abstract
Because of its subcutaneous location prepatellar bursitis is frequently complicated by an infection. Gram-positive organisms, primarily Staphylococcus aureus account for the majority of cases of septic bursitis. Local cutaneous trauma can lead to direct inoculation of the bursa with normal skin flora in patients with occupations, such as mechanics, carpenters and farmers. A 71-year-old male was admitted to our department with a history of pain and swelling of his right knee over a 20 year period. Physical examination revealed a swollen, suppurative mass with ulceration of the skin and local erythema which mimicked a soft tissue tumor at first sight. Magnetic resonance imaging of the knee revealed a 13*12*10cm well-circumscribed, septated, capsulated, fluid-filled prepatellar bursa without evidence of tendinous or muscular invasion. The mass was excised en bloc, including the bursa and the overlying skin. The defect was closed with a split thickness skin graft. The patient had 100 degrees flexion and full extension after 45 days postoperatively, and he continued to work as a farmer.
Highlights
Local cutaneous trauma can lead to direct inoculation of the bursae with normal skin flora
Klebsiella septic bursitis aging and makes it difficult to distinguish from other soft tissue masses such as a synovial sarcoma [5,6,7,8,9]
We report a case of chronic complex septic bursitis due to Staphylococcus aureus and Klebsiella, located anterior to the knee, mimicking a soft tissue mass
Summary
ÖZET ilt altı yerleşiminden dolayı prepatellar bursitlerde enfeksiyon görülmesi sık olur. Tamirciler, halıcılar ve çiftçiler gibi travmaya çok maruz kalan meslek gruplarında direk olarak etken cilt florasından bursaya ulaşabilir. 71 yaşında erkek hasta 20 yılı aşan ağrı ve şişlik nedeni ile kliniğimize başvurdu. Diz üstündeki eritemli,ülseratif ve akıntılı kitle ilk bakışta yumuşak doku tümörüne benziyordu. Manyetik Rezonans incelemede 13*12*10cm boyutlarında iyi sınırlı,septalı,kapsüle sıvı dolu prepatellar bursanın tendinöz veya kas invazyonu yoktu. Kitle üzerindeki cilt ile beraber çıkartıldı ve defekt kısmi kalınlıkta cilt grefti ile kapatıldı. Hastanın 45 gün sonraki kontrolünde 100 derece fleksiyonu ve tam ekstansiyonu vardı ve eski işini yapabiliyordu
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