PMC3420083_01
Gram stain of pus specimens obtained from aspiration and incisional drainage of right knee joint showed moderate amounts of gram-negative kidney-shaped diplococci (arrowhead). Pus culture on chocolate agar grew Neisseria gonorrhoeae.
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fig1
Gram stain of both specimens of pus showed moderate gram-negative diplococci as shown in Figure 1 and culture on chocolate agar grew Neisseria gonorrhoeae with positive beta lactamase testing.
(a) After antimicrobial treatment, there was progressive swelling of right knee extended downward to the calf area, (b, c) ultrasonography of right leg discovered large space of air-filled, heterogeneous multiloculated peri- and intramuscular abscesses, sized 5.4 x 8.6 x 17 centimeters in diameter, extended from popliteal area to ankle level.
CRIM.ID2012-790478.002.jpg
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fig2
Besides there was persistent pus drainage from the incised wound of right knee and progressive swelling extended downward to calf area (Figure 2(a)). Ultrasonography of the right leg was done and discovered large multiloculated peri- and intramuscular abscesses of the right calf as shown in Figures 2(b) and 2(c).