Case Report

Intra-Articular Polyacrylamide Hydrogel Injections Are Not Innocent

Figure 1

Preoperative T1-weighted MR image of the right knee, revealing complete tear of the medial meniscus, degeneration of the tibiofemoral joint cartilage, and chondromalacia of the patella.
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(a)
150709.fig.001b
(b)