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. 2019 Oct;9(10):1664–1673. doi: 10.21037/qims.2019.08.11

Figure 3.

Figure 3

Representative images of fluid, meniscus, and cartilage after intra-articular administration of iohexol in a 46-year-old man with occasional knee pain. The first column shows a PD-weighted image of a region of fluid accumulation in the suprapatellar recess (A) and corresponding parametric maps of MTRasym at 0.54 µT (D) and 1.10 µT (G), RPM (J), and pH (M) for the same region. The second column shows a PD-weighted image of a discoid lateral meniscus (B), with corresponding MTRasym at 0.54 µT (E) and 1.10 µT (H), RPM (K), and pH (N). The third column shows a PD-weighted image of a section of cartilage (C), corresponding MTRasym at 0.54 µT (F) and 1.10 µT (I), RPM (L), and pH (O). PD, proton density; MTRasym, magnetization transfer ratio asymmetry; RPM, radiofrequency power mismatch.