Cystic collections in the popliteal space (Baker's cysts) are frequently observed in inflammatory joint diseases. The causal mechanism is generally regarded as entrapment of synovial fluid from the articular space in the gastrocnemio-semimembranosus bursa (Doppman, 1965; Freiberger & Kay, 1979; Wilson et al, 1938); back flow is prevented by a valve effect at the level of their connection. These cysts can remain localised in the popliteal space or can give rise to dissections and/or rupture. This usually occurs between the calf muscles but occasionally the cyst may extend into the thigh In comparison with these posterior dissecting cysts, the finding of an anterior dissecting cyst originating from the suprapatellar pouch is very rare.
Unusual antefemoral dissecting cyst.
FIOCCO, UGO;
1985
Abstract
Cystic collections in the popliteal space (Baker's cysts) are frequently observed in inflammatory joint diseases. The causal mechanism is generally regarded as entrapment of synovial fluid from the articular space in the gastrocnemio-semimembranosus bursa (Doppman, 1965; Freiberger & Kay, 1979; Wilson et al, 1938); back flow is prevented by a valve effect at the level of their connection. These cysts can remain localised in the popliteal space or can give rise to dissections and/or rupture. This usually occurs between the calf muscles but occasionally the cyst may extend into the thigh In comparison with these posterior dissecting cysts, the finding of an anterior dissecting cyst originating from the suprapatellar pouch is very rare.Pubblicazioni consigliate
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