Clinical Study

Popliteal Cysts in Paediatric Patients: Clinical Characteristics and Imaging Features on Ultrasound and MRI

Figure 2

Baker cyst of the left knee in a 14-year-old girl with juvenile rheumatoid arthritis. Ultrasonography demonstrated the cystic lesion with 2.8 mL volume and echogenic sedimentation (a,b). Magnetic resonance imaging (1.5 Tesla MAGNETOM Symphony, Siemens, sagittal proton-density and T2-weigthed imaging, transversal DESS sequence) depicts the cyst with homogenous liquid signal and suggests continuity between cyst and joint space in the presence of joint effusion.
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(a)
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(b)
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(c)
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(d)