Infrapatellar bursitis

    Teenager 11 years-old from the surgeon with suspected hygroma of popliteal fossa, in history there is fall from altitude of several floors visually there is a complex scar in the two-thirds of leg thru the popliteal fossa to the shin.

    At US in the popliteal fossa there is nothing but in the infrapatellar region (Hoffa' s fat pad) a small amount of liquid (bursitis?).

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