✅ Knee MRI Mastery/Chap 5AB. Chondral and osteochondral

(Fig 5-A.12) Fissure or Fissuring in Cartilage

MSK MRI 2024. 7. 5. 22:44

https://youtu.be/1-hCHUtgC4A

https://youtu.be/YyQWPfrVkxI

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📌Fissure or Fissuring in Cartilage

 

  • Fissuring is defined as a split or crack that is long and narrow. 
  • Chondral fissuring occurs primarily as a result of delamination between the obliquely and vertically oriented collagen fibrils, rather than by breakage of collagen fibrils.
  • Chondral fissures that extend deep can propagate perpendicular to the bone.
  •  These lesions can be associated with reactive bone marrow edema, which highlights the lesion and aids in detection with MRI.

 

  • Fissure with Chondral Flap: Chondral fissures may result in delamination of the cartilage and chondral flap lesions if there is an extension of the fissure parallel to the surface of the bone.

 

References

  1. MRI Web Clinic – June 2021 Tissue Delamination
  2. J Knee Surg. 2020 Nov;33(11):1088-1099

 

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#CartilageFissure, #ChondralFissuring, #TissueDelamination, #MRI, #BoneMarrowEdema, #ChondralFlap, #KneeSurgery, #CollagenFibrils, #CartilageLesions, #Radiology

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