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📌Importance of Recognizing Stener-Like Lesion (SLL)
- Axial image: avulsed distal MCL retracted medial to the pes tendons and entrapped superficial to the pes anserinus tendons
- Coronal image: shortened and bunched appearance of the MCL
- Interposed pes tendons preclude anatomic MCL healing
- Can lead to chronic knee valgus instability
✅ Prevalence and Associations
- High percentage of tibia-sided sMCL avulsions
- Most often with pes anserinus interposition
- Frequently associated with multiligamentous, high-energy injuries
- High rates of concomitant ACL (90% with SLL) and PCL tears (20% with SLL)
✅ Imaging Findings
- Non-Stener-Like Lesion (SLL): Retracted MCL deep to pes tendons
- Stener-Like Lesion (SLL): MCL displaced superficial to pes anserinus on imaging
➡️ In summary, recognizing the Stener-like lesion pattern in distal sMCL injuries is crucial, as it requires surgical management and is frequently associated with multiligamentous knee trauma.
AJR 2019; 213:272–276
J Knee Surg. 2020 Aug;33(8):785-791
Skeletal Radiol. 2020 May;49(5):747-756
AJR 2019; 213:272–276
"Visualizing MSK Radiology: A Practical Guide to Radiology Mastery"
© 2022 MSK MRI Jee Eun Lee All Rights Reserved.
No unauthorized reproduction, redistribution, or use for AI training.
#MCL, #sMCL, #MCLinjury, #Stenerlesion, #Pesanserine, #MCLtear,
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| (Fig 3-A.12) Wave Sign MCL Tear Without Stener-Like Lesion (0) | 2024.05.05 |
| (Fig 3-A.11) Distal sMCL Tear: without Stener-Like Lesion (0) | 2024.05.05 |
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