Knee Surgery & Related Research : eISSN 2234-2451 / pISSN 2234-0726

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Fig. 3. Spontaneous osteonecrosis of the knee following the medial meniscus posterior root tear (MMPRT) in the 65-year-old female shown in (the right knee). (A) Sclerotic halo (arrowheads) and calcified plate (arrow) were observed in a radiograph at 18 weeks after a painful popping event. Koshino classification: stage 3. (B) Arthroscopic findings at 20 weeks post-MMPRT. Arrowheads: type 2 MMPRT. (C) An unstable osteochondral flap.
Knee Surgery & Related Research 2017;29:295~301 https://doi.org/10.5792/ksrr.17.027
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