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Fig. 6 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 6

From: Degenerative changes through MR cartilage mapping in anterior cruciate ligament-reconstructed knees

Fig. 6

A 40-year-old male patient underwent ACL reconstruction and medial meniscectomy 4.5 years ago, the patient complained of knee pain and swelling. In assessment of the MRI knee, the conventional images shows evidence of medial meniscectomy and mild knee joint effusion with taut signal of the ACL graft. Sagittal T2 image A along the medial femoral condyle anterior segment shows partial thinning of the articular cartilage. On the post processing T2 mapping image: (C, D) the colour image along the articular cartilage of the medial femoral condyle anterior segment revealed internal areas of blue colour (yellow ROI) with increased T2 value (as demonstrated within the curve image (B)) that corresponds to articular cartilage degeneration. According to the international cartilage Repair Society (ICRS) grading system, this corresponds to grade II cartilage degeneration. Coronal (E) and focused sagittal STIR image upon the medial meniscus level (e), attenuated body and posterior horn of medial meniscus show intrasubstance heterogeneous band of increased signals reaching the articular surfaces, denoting meniscal re-tear (Thick white arrow/white dashed circle). Note the patchy bone marrow edema signal STIR signal (White arrow)

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