Citation, DOI, disclosures and article data
Citation:
Feger J, Knipe H, Popliteus bursa. Reference article, Radiopaedia.org (Accessed on 28 Mar 2024) https://doi.org/10.53347/rID-83629
Disclosures:
At the time the article was last revised Henry Knipe had the following disclosures:
- Radiopaedia Events Pty Ltd, Speaker fees (past)
- Integral Diagnostics, Shareholder (ongoing)
- Micro-X Ltd, Shareholder (ongoing)
These were assessed during peer review and were determined to
not be relevant to the changes that were made.
View Henry Knipe's current disclosures
The popliteus bursa also known as subpopliteal recess is a synovial lined knee expansion or recess and located in the posterolateral corner of the knee.
The popliteus bursa is an expansion of the synovial membrane positioned between the posterior portion of the lateral meniscus and can extend up to 1 cm below the joint line. Its anteromedial wall is formed by the posterior horn of the lateral meniscus and its posterolateral border by the popliteus tendon. Superior and inferior boundaries consist of the superior and inferior popliteal fascicles. The posterior part of the bursa is of ovoid shape and the more anterior and lateral part forms a rather rhomboid shape 1.
Rarely the popliteus tendon takes an intraarticular course within the subpopliteal recess 1.
Distortion or absence of the popliteal recess or bursa can be associated with the following conditions 1:
Expansion can be due to the following pathologies 1,2:
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1. Pavlov H & Goldman A. The Popliteus Bursa: An Indicator of Subtle Pathology. AJR Am J Roentgenol. 1980;134(2):313-21. doi:10.2214/ajr.134.2.313 - Pubmed
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2. Sugita T, Itaya N, Aizawa T, Kamimura M, Takahashi A, Miyatake N. Surgical Approach to Pigmented Villonodular Synovitis and Synovial Osteochondromatosis in Pathological Expansion of the Popliteus Bursa. Arthroscopy Techniques. 2019;8(12):e1495-9. doi:10.1016/j.eats.2019.07.028 - Pubmed
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3. Perdikakis E & Skiadas V. MRI Characteristics of Cysts and “cyst-Like” Lesions in and Around the Knee: What the Radiologist Needs to Know. Insights Imaging. 2013;4(3):257-72. doi:10.1007/s13244-013-0240-1 - Pubmed
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