(Fig 4-D.13) Anatomical Knee Recesses: Part 1

https://youtu.be/fW671phcsmo

https://youtu.be/YiEAI7pISIU

 

 

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📌Anatomical Knee Recesses

✅  Central Synovial Recess

• Located between the patella/patellar ligaments and the anterior aspect of the femur.

 

✅  Suprahoffatic Recess

• Found at the superior part of Hoffa’s fat pad, close to the inferior border of the patella.

 

✅  Infrahoffatic Recess

• Lies anterior to the inferior portion of the infrapatellar plica (also called ligamentum mucosum).

✅  Posterior Capsular Recesses (Midline)

• Identified as an extension of the medial femorotibial compartment located behind the PCL.

 

✅  Parameniscal Recess

• Located just superior and inferior to the level of the lateral meniscus, in contact with the lateral femoral and tibial condyles.

 

✅  Sub-popliteus Recess

• Demonstrated between the popliteus tendon and the posterior horn of the lateral meniscus.

 

✅  Posterior Femoral Recesses (Subgastrocnemius Recesses)

• Found posteriorly to both femoral condyles and the deep surface of the lateral and medial heads of gastrocnemius.

 

✅  Anterior Tibial Recess

• A normal capsular recess located immediately anterior to the proximal tibia.

• Medial Tibial Plateau: The periphery is concave, and the area is similar to that of the medial meniscus (MM), leading to a tight connection by the medial coronary ligament.
• Lateral Tibial Plateau: The periphery is convex, larger than the area of the lateral meniscus (LM), resulting in a redundant attachment of the lateral coronary ligament.

 

✅  Superior Posteromedial Recess

• Delimited superiorly by the medial femoral condyle, inferiorly by the superior part of the posterior meniscal horn, and posteriorly by the ramp capsule.

 

✅  Inferior Posteromedial Recess

• Delimited postero-superiorly by the posterior part of the meniscotibial (or coronary) ligament and anteriorly by the tibial plate.

 

References:

1. Insights Imaging (2013) 4:257–272
2. J Korean Soc Radiol 2022;83(3):582-596
3. Radiol Med. 2021 Aug;126(8):1106-1116

 

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#Anatomy #KneeRecesses #SynovialRecess #HoffaticRecess #PosteriorCapsularRecess #ParameniscalRecess #PopliteusRecess #FemoralRecess #TibialRecess #Meniscus