Man 35 yo, 3 days ago, pain at right knee cannot move, fever, no history of trauma. Clinical examination of right knee: hot and swelling at suprapatellar area (see photo).
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Ultrasound first scanned at the right knee, detecting swelling of the suprapatella recessus with homogeneous fluid (2 ultrasound pictures).
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MRI of the right knee is same picture report ( T1, T2).
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Blood test confirmed this infectious status with rising WBC and CRP.
For make sure the diagnosis: puncture of the knee joint with ultrasound guided..removing the yellowish synovial fluid.
LAB analysis report were hight WBC and negative gram stained bacteria present in this fluid.
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Diagnosis of this case is acute bacteria infection of the knee joint, emergency treated with antibotic and analgesic drugs.
DISCUSSION: in acute case ultrasound guided puncture of the joint is fast action for fast diagnosis.
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