Medial Meniscus Bucket Handle Tear Mri
Longitudinal tear 3 flipped meniscus is a form of bucket handle tear.
Medial meniscus bucket handle tear mri. Figure 17a bucket handle tear. There is a capsular detachment or peripheral tear of the meniscus usually the posterior horn. Bucket hand tears can manifest as sensitive but not specific signs 1. The mri performed revealed a medial meniscus bucket handle tear without traumatic bone marrow oedema or ligament injury.
They more commonly occur in the medial meniscus and are often associated with anterior cruciate ligament acl tears. One is the double pcl sign which results from the displaced fragment moving into the intercondylar notch and appears like a second pcl anteroinferior to the pcl. There are several key findings on mri. The posterior horn flips over onto the anterior horn.
4a schematic representation of a bucket handle tear of the medial meniscus demonstrates the typical displacement of the inner rim of the meniscus arrows creating the handle of the bucket. The pcl angle was 130. Bucket handle meniscal tears are a type of displaced longitudinal meniscal tear where the inner part is displaced centrally. When a bucket handle tear occurs the meniscus supports or the ligaments that hold the meniscus in place are torn.
According to the wheeless textbook of orthopaedics bucket. A bucket handle tear is a full thickness tear of the meniscus that most often happens in the inner portion of your medial meniscus. A bucket handle tear of the meniscus occurs on the outer portion of the meniscus cartilage and causes a vertical slice through the meniscus. Without the support that keeps the meniscus in place the meniscus can flop over like the handle on a bucket.
Mri study is consistent with bucket handle tear of the medial meniscus. The attachments of the meniscus remain intact and the torn portion of the meniscus pulls into the center of the joint. Typically this type of tear involves the majority of the meniscus. When the meniscus flips over it becomes stuck in the middle of the knee joint.