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Knee MRI/Meniscus

[Tear_07] Far Peripheral Longitudinal Meniscal Tear -05

by MSK MRI 2021. 10. 9.

On the left image, we can easily see the longitudinal tear, but on the right image it is very difficult to identify peripheral longitudinal tear.

Like this, longitudinal tears that occur further peripherally can be more difficult to detect.
When the tear extends through the meniscal substance it is readily identified against the contrast afforded by the low signal meniscal tissue.
or, Identification of an “extra” vertical line or layer in the meniscal periphery can be a subtle finding that indicates a tear.

However, [Tear_07] on the right image, It seems that there is only far peripheral meniscal tear, we can’t even see an extra vertical line.
and I think there was also the tear of a posterosuperior popliteomeniscal fascicle.

Even with a high degree of suspicion and careful inspection, these types of tears found at arthroscopy might not be convincingly visualized by MRI.

On the left image, we can easily see the longitudinal tear, but on the right image it is very difficult to identify peripheral longitudinal tear.

Like this, longitudinal tears that occur further peripherally can be more difficult to detect.
When the tear extends through the meniscal substance it is readily identified against the contrast afforded by the low signal meniscal tissue.
or, Identification of an “extra” vertical line or layer in the meniscal periphery can be a subtle finding that indicates a tear.

However, [Tear_07] on the right image, It seems that there is only far peripheral meniscal tear, we can’t even see an extra vertical line.
and I think there was also the tear of a posterosuperior popliteomeniscal fascicle.

Even with a high degree of suspicion and careful inspection, these types of tears found at arthroscopy might not be convincingly visualized by MRI.




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