✅ Knee MRI Mastery/Chap 2.ACL and PCL

(Fig 2-E.13) Transverse Tear of PCL And Impingement

MSK MRI 2024. 3. 16. 22:58

https://youtu.be/Eszla_Ycy6w

https://youtu.be/UgiSgNcqguA

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🔴 Impingement in the Tibiofemoral Joint (TFJ) 🔴

1️⃣ Partial Rupture of PCL and Its Consequences:

  • A partially ruptured Posterior Cruciate Ligament (PCL) led to an impingement in the medial Tibiofemoral Joint (TFJ), necessitating excision.
  • The torn PCL stump, originating from the intercondylar notch, became entrapped in the medial TFJ, causing severe pain.
  • There was a chondral injury on the posterior portion of the medial femoral condyle, which was in direct contact with the partially torn PCL stump.
  • Synovial hypertrophy accompanied by diffuse fibrosis was observed, indicative of chronic irritation.

Source: Arthroscopy. 2007 May;23(5):565.e1-4.

2️⃣ PCL Entrapment:

  • While Cyclops syndrome, a type of anterior cruciate ligament impingement syndrome, is known, and notch impingement from a deltoid-shaped anterior cruciate ligament has been documented, this case presents a novel scenario.
  • The entrapped, partially ruptured PCL in the medial TFJ causing severe pain during knee joint movement has not been previously reported.

Source: Arthroscopy. 2007 May;23(5):565.e1-4.

 

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