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✅ Knee MRI Mastery/Chap 4BCD. Anterior knee

(Fig 4-B.21) Patellar Sleeve Fracture and Repair

by MSK MRI 2024. 6. 15.

https://youtu.be/wA5yTB62OOo

https://youtu.be/w63GyfUeIyw

 

 

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📌Patellar Sleeve Avulsion Fracture: A Case Study

 

Radiographic Findings:

  • Patella alta
  • Joint effusion
  • Visible Hoffa's fat pad and patellar tendon
  • Linear high-density structure near tendon's proximal attachment

 

MRI Findings:

  • Clear injury to articular cartilage and perichondrium of the inferior patella
  • Hematoma filling the injured space

 

Anatomical Notes:

  • The posterior patella mostly covered by hyaline cartilage
  • Inferior-most part lacks cartilage
  • Acute traumatic chondral injury evident

 

Key Point:

  • Radiographs often underestimate injury extent in nonmineralized cartilage and perichondrium

 

Management:

  • Operative intervention with anatomic transosseous suture repair
  • Excellent patient outcomes

 

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#PatellarSleeveFracture, #OrthopedicImaging, #MRIFindings, #KneeInjury, #SportsTrauma, #PediatricOrthopedics, #RadiologyEducation, #SurgicalManagement, #AnatomicRepair, #ClinicalOutcomes