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Imaging appearances of synovial plicae syndrome of the knee

Authors: Osama Abdalla Mabrouk Kheiralla

Int J Med Res Health Sci.140-149 | pdf PDF Full Text

Synovial plicae are synovial folds that may be found as intraarticular structures within the knee joint. They are
remnants of incomplete resorption of mesenchymal tissue during fetal development. Synovial plicae, if present, are
supposed to be non-pathological and asymptomatic, however if they are exposed to special events like direct trauma
or repeated activities, they may be inflamed and become fibrosed and rigid and irritates the synovium of the
underlying femoral condyle resulting in secondary mechanical synovitis and chondromalacia leading to what is
known as plica syndrome of the knee. Inspite plica syndrome is always suspected on clinical bases and can be
clearly visualized by arthroscopic application, still diagnostic imaging by MRI, CT scan and Sonography play
important role in the evaluation and diagnosis of this pathological condition. The aim of this article is to provide an
overview of the imaging appearances of synovial plicae syndrome of the knee on ultrasound, magnetic resonance
imaging (MRI) and computerized tomography scan (CT scan).
Key words: Synovial Plicae Syndrome, Synovial Membranes, Knee Joint Embryology, Ultrasound, Magnetic
Resonance Imaging (MRI), Computerized Tomography scan (CT scan).

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