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A bucket-handle tear of the knee is a specific type of meniscal injury characterized by a longitudinal tear of the medial or lateral meniscus, where a displaced inner fragment resembles the appearance of a "bucket handle". [1] This displaced meniscal fragment often remains attached at the anterior and posterior horns but dislocates into the ...
Bucket-handle tear of the lateral meniscus (red). Medial meniscus intact (green). MRI, coronal T2 *-weighted GRE sequence. X-ray images (normally during weightbearing) can be obtained to rule out other conditions or to see if the patient also has osteoarthritis. The menisci themselves cannot be visualised with plain radiographs.
The double PCL sign is best observed on sagittal T2-weighted or proton density-weighted MRI images. [5] Key features include: [6] Duplicated PCL Appearance: The native PCL appears as a curvilinear low-signal intensity structure in its typical anatomical location.The displaced meniscal fragment appears as a second parallel low-signal structure inferior to the PCL.
The medial meniscus is a fibrocartilage semicircular band that spans the knee joint medially, located between the medial condyle of the femur and the medial condyle of the tibia. [1] It is also referred to as the internal semilunar fibrocartilage. The medial meniscus has more of a crescent shape while the lateral meniscus is more circular.
A tear in the meniscus may cause a pedunculated tag of the meniscus which may become jammed between the joint surfaces. To perform the test, the knee is held by one hand, which is placed along the joint line, and flexed to complete flexion while the foot is held by the sole (of the foot) with the other hand.
The posterior meniscofemoral ligament (also known as the ligament of Wrisberg) is a small fibrous band of the knee joint.It attaches to the posterior area of the lateral meniscus and crosses superiorly and medially behind the posterior cruciate ligament to attach to the medial condyle of the femur.
The transverse ligament is reported in 58 per cent of subjects and is thus the most prevalent of four described meniscomeniscal ligaments. The other ligaments, all three of which are reported with a frequency of less than 4 per cent, are the posterior transverse ligament, described as a bundle of fibers connecting the posterior horns of the menisci; and the medial and lateral oblique ligaments ...
Bucket-handle may refer to: Bail handle; Bucket handle movement, a movement of ribs; Bucket-handle fracture, a child bone fracture; B-J-K continuum, an Indecomposable continuum; Bucket handle tear, tear in the meniscus of the knee, often caused by the sudden twisting of the knee