(Fig 1-B.40) Type 4B Ramp lesion

https://youtu.be/tVuFwC_p_ZE

https://youtu.be/nKQsItyKAtM

Key points in identifying and assessing a meniscal flounce include:

• ✅Appearance:
  It presents as a wavy or kinked pattern along the meniscus's inner edge.
• ✅Imaging Challenge:
  On coronal plane imaging, a flounce can make the meniscus's inner margin appear shortened or fuzzy, which might be mistaken for a small radial tear.
• ✅Clinical Significance:
  The identification of a flounce necessitates a thorough check for any associated ligamentous or capsular injuries, as these could contribute to the laxity seen in the meniscus.
• ✅Special Consideration for Lateral Meniscal Flounce: Flounces in the lateral meniscus are uncommon.
  Their presence could indicate an injury or deficiency in the popliteomeniscal fascicles, leading to a hypermobile meniscus requiring careful evaluation.

 

Subtype 4B:

❗️This pattern involves a complete tear at the junction where the meniscocapsular and meniscotibial fibers attach to the posterior horn of the meniscus.

❗️MRI reveals a linear high T2 fluid signal intensity extending from the superior to the inferior articular surface, along with disruption of the capsular ligaments.

❗️The junction consists only of meniscocapsular and meniscotibial fibers. As a result, it does not share the same healing capacity as lesions within the red-red zone of the meniscus, often requiring more extensive repair measures.

 

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