Septic arthritis of the knee associated with calf abscess.

J Orthop Surg (Hong Kong) · Aug 2012

Case Reports

Septic arthritis of the knee associated with calf abscess.

Septic arthritis associated with extra-articular abscess is rare. We report on 2 non-rheumatic patients with septic arthritis of the knee associated with calf abscess. Magnetic resonance imaging showed a distinct leakage pathway from the knee joint in each patient. ⋯ Another was a pathologic popliteus hiatus (posterolateral). These patients underwent open drainage of the calf abscess via a small incision, followed by arthroscopic debridement of the knee. Careful palpation of the lower leg, followed by magnetic resonance imaging and needle aspiration, is important to exclude a possible extra-articular abscess regardless of the presence of a popliteal cyst.

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- Masashi Izumi, Masahiko Ikeuchi, and Toshikazu Tani.
- Department of Orthopaedic Surgery, Kochi University, Oko-cho Kohasu, Nankoku, Japan.
- J Orthop Surg (Hong Kong). 2012 Aug 1; 20 (2): 272-5.
AbstractSeptic arthritis associated with extra-articular abscess is rare. We report on 2 non-rheumatic patients with septic arthritis of the knee associated with calf abscess. Magnetic resonance imaging showed a distinct leakage pathway from the knee joint in each patient. One was a ruptured popliteal cyst (posteromedial). Another was a pathologic popliteus hiatus (posterolateral). These patients underwent open drainage of the calf abscess via a small incision, followed by arthroscopic debridement of the knee. Careful palpation of the lower leg, followed by magnetic resonance imaging and needle aspiration, is important to exclude a possible extra-articular abscess regardless of the presence of a popliteal cyst.

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Septic arthritis of the knee associated with calf abscess.

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