Supra patellar plica syndrome.

MRI confirms that the unusual appearance of the suprapatellar pouch of the knee on ultrasound is due to a complete suprapatella plica entrapping fluid, producing localised synovitis and distorting the quadriceps fat pad.  There is minor central quadriceps insertional tendinosis. The superior extent of the synovial abnormality has not been completely imaged. No other significant finding. 

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