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Case Reports
. 2023 Feb 2;11(2):23259671221147556.
doi: 10.1177/23259671221147556. eCollection 2023 Feb.

Adolescent Athlete With Semimembranosus Tendinopathy Requiring Operative Intervention: A Case Report and Review of the Literature

Damian Mansour  1   2   3 , Marc Jacob Strauss  4 , Arne Larmo  5   6 , Lars Engebretsen  2   7
Affiliations
Case Reports

Adolescent Athlete With Semimembranosus Tendinopathy Requiring Operative Intervention: A Case Report and Review of the Literature

Damian Mansour et al. Orthop J Sports Med. .
No abstract available

Keywords: adolescent athlete; posteromedial knee pain; semimembranosus tendinopathy; sports.

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Conflict of interest statement

One or more of the authors has declared the following potential conflict of interest or source of funding: D.M.'s fellowship was supported indirectly by Smith & Nephew. M.J.S. has received research support and consulting fees from Smith & Nephew. L.E. has received research support from Zimmer, fellowship support from Smith & Nephew, consulting fees from Smith & Nephew, and royalties from Arthrex. AOSSM checks author disclosures against the Open Payments Database (OPD). AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto.

Figures

Figure 1.
Figure 1.
Anatomy of the posterior aspect of a right knee with the medial and lateral gastrocnemius complexes and neurovascular structures removed. FCL, fibular (lateral) collateral ligament; Lateral gastric, lateral gastrocnemius; OPL, oblique popliteal ligament; PCL, posterior cruciate ligament; POL, posterior oblique ligament; SM, semimembranosus muscle; sMCL, superficial medial collateral ligament. Image from LaPrade et al. Reproduced with permission from Wolters Kluwer.
Figure 2.
Figure 2.
Magnetic resonance images of the patient’s knee. (A) Axial image showing increased signal in the tibia and signal at the tendon-bone interface (arrow). (B) Sagittal image shows increased signal surrounding the semimembranosus tendon (arrow). (C) Coronal image demonstrating increased signal surrounding the semimembranosus tendon and bony edema.
Figure 3.
Figure 3.
(A) Axial, (B) sagittal, and (C) coronal CT images of left knee demonstrating a defect with a saucer-like depression (arrows) and cortical thickening at the attachment site of the semimembranosus.
Figure 4.
Figure 4.
Photographs demonstrating the medial aspect of the knee. (A) A depression in the tibia at the insertion site of the semimembranosus (arrow). (B) The semimembranosus tendon with thickened degenerative tissue distally (arrow). (C) The repaired tendon.
See this image and copyright information in PMC

References

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