PMC8381408_01
Retained oyster shell fragments in the right knee. (a) AP view of right knee revealing
soft tissue swelling. (b) Lateral view of right knee revealing evidence of retained
foreign bodies. (c) Surgical specimen depicting oyster shell fragments removed from the
right knee measuring approximately 0.5 cm and 1 cm.
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PMC8381408_01_10.1177_2050313X211034683-fig1.jpg
fig1-2050313X211034683
An X-ray (Figure 1(a) and (b)) of the knee performed at that time revealed foreign bodies overlying the patella. Surgical wound debridement was performed, which revealed purulent synovial fluid and two fragments of oyster shells measuring 0.5 cm and 1.0 cm (Figure 1(c)).