The suprapatellar bursa is an extension of the joint cavity above the kneecap.

complete septum with suprapatellar bursa
When the septum is incomplete, ie a plica, then the pouch and bursa are effectively the same structure. A complete septum separates the two spaces.

Terminology

The term is generally used interchangeably with suprapatellar pouch, but really it is only when the suprapatellar plica forms a complete septum and splits the pouch in two that a distinct bursa exists. If excessive fluid forms in this bursa it may be called a suprapatellar cyst.

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Synonyms: 
Suprapatellar pouch
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Dr Sheila Strover (Editor)
BSc (Hons), MB BCh, MBA

See biography...

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