Echogenic lesion between MCL and medial meniscus

[Xue Heng]

Hi, Steve. Nice to meet you on the website. Another case for your help.
This patient was a 49-year-old male, with medial knee pain for several months.
I saw swelling of femoral end of MCL and cleft of medial meniscus,
corresponding to injury of MCL and tear of medial meniscus.
But I wonder what the echogenic lesion between MCL and medial meniscus is.
I think the two structures are closely attach to eath other with out any other tissue.]
Thank you for your help!

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[Stephen Bird]

Hi Xue,

You are correct, the MCL is attached directly to the medial meniscus at the deep layer of the MCL.

I wonder if this has become detached (menisci-capsular separation)

The echogenic material could be some granulation tissue.

It is shame we are so poor at these aspects of the knee.

I will discuss your images with my MRI radiologist tomorrow.

Steve.

[Xue Heng]

Thank you, Steve. Waiting for answer from MRI radiologist.

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