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KMID : 1037920200070010012
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Arthroscopy and Orthopedic Sports Medicine
2020 Volume.7 No. 1 p.12 ~ p.15
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Arthroscopic resection of symptomatic medial synovial fold of the posterior cruciate ligament in bilateral knees
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Lee Jae-Wook
Ahn Jin-Hwan
Lee In-Gyu
Cho Yong-Un
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Abstract
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We report a case of pathologic bilateral impingement of the posterior cruciate ligament (PCL) synovial folds referred to PCL plicae. A 40-year-old female was admitted to the hospital with vague bilateral knee pain along the medial side of both knees just below each patella. She reported that standing for long periods of time increased the pain and that it has been more than 10 years since the vague pain occurred. On magnetic resonance imaging, medial synovial folds of the PCL were identified and therefore knee arthroscopy was performed under general anesthesia. The arthroscopic findings revelated entrapped folds within the medial tibiofemoral joints when the knees were in passive extension. The entrapped tissue of the synovial folds was resected by punch forceps and debrided by a shaver. After eight months of surgery, the patient’s symptoms completely resolved, and she regained full range of motion. The long medial synovial folds around the PCL can be a cause of knee pain due to entrapment between the femoral and tibial condyles. Plicae pathologies can therefore be considered one of the differential diagnosis of vague knee pain.
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KEYWORD
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Posterior cruciate ligament, Synovial fold, Arthroscopy
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