Unstable Type III Wrisberg-type Lateral Discoid Meniscus: All-inside Arthroscopic Repair

Autor: Alberto Grassi MD, PhD, Nicola Pizza MD, Luca Macchiarola MD, Stefano Zaffagnini MD, Prof.
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Video Journal of Sports Medicine, Vol 1 (2021)
Druh dokumentu: article
ISSN: 2635-0254
26350254
DOI: 10.1177/26350254211006717
Popis: Background: The Type III Wrisberg-type represents the rarest subtype of discoid meniscus. It exhibits a normal non-discoid “C”-shape with possible posterior horn hypertrophy, but meniscotibial ligaments and capsular restraints are lacking, leading to a clinical scenario of knee pain, popping, and catching due to meniscal hypermobility. Moreover, concomitant tears can be present due to repeated meniscal traumas. Indications: Type III Wrisberg-type lateral discoid meniscus with hypermobility, dislocation, or tear. Technique Description: Through standard arthroscopic portals, the meniscus is reduced in its anatomical position (if displaced). Abnormal mobility and anatomy should be noted. All-inside sutures are used in the posterior horn and body to stabilize the meniscus to the capsule and popliteus tendon. In the case of radial tears, horizontal stitches are used. Results: Patients are expected to return to sport approximately 4 to 5 months after the procedure with relief of pain, popping sensation, and knee locking. Conclusion: Arthroscopic all-inside repair is an effective treatment for unstable and displaced Type III Wrisberg-type lateral discoid meniscus. However, the diagnosis can be challenging, especially without frank meniscal dislocation.
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