✅ Knee MRI Mastery/Chap 1. Meniscus

(Fig 1-B.18) Change in the slope of a flap tear

MSK MRI 2024. 1. 31. 08:39

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🦵 Recognizing Flap Tears in Meniscus 🦵

When dealing with meniscal flap tears, keep an eye out for a crucial indicator – a change in the slope of the meniscus's superior surface. This change signals a shift in the tear's direction, forming the characteristic flap.

 

🔍 Changing Slope Sign:

Flap tears often exhibit a shifting slope in the meniscal surface, denoted as the "changing slope sign."

 

📸 Visual Aid:

For clarity, the corresponding axial image shows a free edge flap component (component not displaced). This component can also display a changing slope contour on its superior surface.

 

🚨 The Blunted Meniscus Rule:

As a general guideline, in cases without prior surgery, if you spot a blunted meniscus, it's essential to thoroughly search for any displaced fragments. Pay close attention to the intercondylar notch and recesses.

 

 

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