Findings: The study revealsincreased signal intensityof anterior cruciate ligament and thickening of surrounding tissue. The posterior cruciate ligament, medial collateral ligament, iliotibial tract and fibular collateral ligament are not remarkable.
There are increased signal intensity andirregularities at inferior surface of posterior horn of medial meniscus, possibly from prior surgery. However, fluid signal intensity at posterior horn of medial meniscus is still noted. Torn posterior horn of medial meniscus cannot be excluded. The lateral meniscus is not remarkable.
The medial and lateral retinaculi are not remarkable.The quadriceps tendon, patellar tendon, popliteus tendon and biceps femoris muscle and tendon are not remarkable.
Minimal joint effusion is seen. Irregular low signal intensity area is seen at infrapatellar fat pad, possibly postoperative fibrosis. There are irregularities of cartilage at femoral trochlea.
There are suprapatellar, medial patellar and lateral patellar plicae. No demonstrable thickening of medial patellar plica or bone marrow edema. A small low signal intensity area (5mm) is seen at lateral femoral condyle and appears as low signal intensity on all pulse sequences. Correlate to plain radiograph on 17/4/2557, bone island is suggested.
The signal intensity of the visualized muscles is not remarkable.The popliteal vessels, tibial nerve and common peroneal nerve are not remarkable.
IMPRESSION:
-Increased signal intensity of anterior cruciate ligament and thickening of surrounding tissue. Synovial thickening and partial tear of anterior cruciate ligament are in DDX.
-Torn posterior horn of medial meniscus cannot be excluded.
-Postoperative fibrosis at infrapatellar fat pad
-Irregularities of cartilage at femoral trochlea
Correlation with clinical context will be helpful
Findings: The study revealsincreased signal intensityof anterior cruciate ligament and thickening of surrounding tissue. The posterior cruciate ligament, medial collateral ligament, iliotibial tract and fibular collateral ligament are not remarkable. There are increased signal intensity andirregularities at inferior surface of posterior horn of medial meniscus, possibly from prior surgery. However, fluid signal intensity at posterior horn of medial meniscus is still noted. Torn posterior horn of medial meniscus cannot be excluded. The lateral meniscus is not remarkable.The medial and lateral retinaculi are not remarkable.The quadriceps tendon, patellar tendon, popliteus tendon and biceps femoris muscle and tendon are not remarkable. Minimal joint effusion is seen. Irregular low signal intensity area is seen at infrapatellar fat pad, possibly postoperative fibrosis. There are irregularities of cartilage at femoral trochlea.There are suprapatellar, medial patellar and lateral patellar plicae. No demonstrable thickening of medial patellar plica or bone marrow edema. A small low signal intensity area (5mm) is seen at lateral femoral condyle and appears as low signal intensity on all pulse sequences. Correlate to plain radiograph on 17/4/2557, bone island is suggested. The signal intensity of the visualized muscles is not remarkable.The popliteal vessels, tibial nerve and common peroneal nerve are not remarkable.IMPRESSION: -Increased signal intensity of anterior cruciate ligament and thickening of surrounding tissue. Synovial thickening and partial tear of anterior cruciate ligament are in DDX.-Torn posterior horn of medial meniscus cannot be excluded.-Postoperative fibrosis at infrapatellar fat pad-Irregularities of cartilage at femoral trochleaCorrelation with clinical context will be helpful
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