Sagittal sonogram of posterior knee shows Baker's cyst (arrowheads). M = medial gastrocnemius muscle.ġ5-year-old boy with Baker cyst. Note subgastrocnemius component (asterisk) of Baker's cyst. Note subgastrocnemius component (asterisk) of Baker's cyst.Axial proton density-weighted MR image with fat saturation reveals Baker's cyst (arrowheads) with fluid (black arrow) between semimembranosus tendon (curved white arrow) and medial gastrocnemius tendon (open arrow). Axial sonogram of posterior knee shows Baker's cyst (arrowheads) with fluid (solid straight arrow) between semimembranosus tendon (curved arrow) and medial gastrocnemius tendon (open arrow). It is easily diagnosed by a careful examination and an ultrasound scan or on MRI.Ħ0-year-old woman with Baker's cyst.
This may even simulate a calf DVT (deep vein thrombosis). Occasionally the cyst can leak fluid into the calf and cause calf swelling, tightness & pain ( rupture backer cyst ).MRI gives the typical appearance of the fluid containing structure, with low SI on T1W & high SI on T2W.Most common associations include joint effusion, meniscal tear, and degenerative joint disease a bursa between the tendons of the gastrocnemius and semimembranosus tendons.a bursa anterior to the medial gastrocnemius tendon (the subgastrocnemius bursa) and.Although c/as the gastrocnemiosemimembranosus bursa, it represents a composite of two bursae:.It represents fluid distention of a bursa (gastrocnemiosemimembranosus bursa) between the gastrocnemius and semimembranosus tendons via a communication with the knee joint.TEACHING FILES Dr Mayur R2, Dr Payal R1 Dept of Radiodiagnosis Medical College & S S G Hospital, Baroda ( 31-12-07 )ĥ6yr M, presented with a gradually progressing swelling in posterior region of knee & discomfort.
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