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출처: https://mskmri.tistory.com/1056 [MSK MRI:티스토리]
✅ Semimembranosus Insertion Injuries
Injuries at the distal semimembranosus insertion are observed in up to 70% of posteromedial corner injuries.
These can range from avulsion fractures at its tibial attachment to partial or complete tendon tears, as well as tendinosis.
✅ Pathophysiology of Tendinosis
Tendinosis in this context is often the result of chronic stress, leading to thickening of the tendon insertion.
This alteration in the tendon’s structure compromises its function and increases the susceptibility to further injury.
✅ Intratendinous Ganglion Cyst of the Semimembranosus Tendon
The etiology of intratendinous ganglion cysts remains somewhat unclear.
However, it is postulated that recurrent injury leading to cystic degeneration might be a contributing factor.
These cysts often coexist with conditions like tenosynovitis or associated tendon tears, which exacerbate the complexity of the clinical presentation.
Radiol Clin North Am. 2013 May;51(3):413-32
Br J Radiol. 2010 Apr; 83(988): e079–e082
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#semimembranosus, #kneeMRI, #posteromedialcorner, #Kneeanatomy, #semimembranosustendon, #tendinosis #ganglioncyst, #intratendinosus
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