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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Extrusion of the medial meniscus is a potential predisposing factor for post-arthroscopy osteonecrosis of the knee

Fig. 1

62-year old woman. Preoperatively, the radiogram (A) showed grade-1 OA. The images taken with the 0.3-T MRI (B and C: T2*, D: T1) did not show any findings of osteonecrosis or bone marrow edema (BME). At 3 months after the meniscectomy, the radiograms (E) indicated stage-3 osteonecrosis in the medial femoral condyle. MR images (F and G: T2*, H: T1) showed a necrotic lesion, which was surrounded by an osteosclerotic zone and a wide BME area. The resolution of the MR images was acceptable to measure the meniscus location on the joint line

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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