The Meniscal Ossicle Revisited: Etiology and an Arthroscopic Technique for Treatment


      We describe a new arthroscopic technique for repair of meniscal ossicles in support of the theory that meniscal ossicles are traumatic in nature. Using a standard inferolateral portal, the arthroscope is passed under the posterior cruciate ligament to permit visualization of the “root” of the medial meniscus with a matching donor lesion on the tibia. A limited debridement should be performed of the donor site as well as the posterior horn of the meniscus if it has healed over with fibrocartilage to allow bone-to-bone healing. A posteromedial working portal is made at an angle amenable to the repair and a 6-mm cannula is placed. A Beath passing pin commonly used for anterior cruciate ligament reconstruction is used to pass suture for the outside-inside-out repair. The pin is passed through the cannula in the posterior medial portal. The root of the medial meniscus and the avulsed ossicle are pierced with the Beath pin and tensioned, after which the pin is drilled into the matching donor site and out through the tibia. Two passes are used to create a mattress suture through the ossicle, and the suture is tied over a bone bridge on the anterolateral tibia.

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