Meniscal tear | Radiology Reference Article - Radiopaedia.org
Jun 12, 2024 · Meniscal tears are the failure of the fibrocartilaginous menisci of the knee. There are several types and can occur in an acute or chronic setting. Meniscal tears are best evaluated with MRI.
Meniscal Tear Patterns | Radsource
Displacement of the inner rim of the tear (arrowheads) results in the classic "bucket-handle" configuration. Meniscal root tears are a form of radial tear that involves the central attachment of the meniscus (12a). They are most frequently seen at the posterior horn of the medial meniscus.
Pitfalls and Pearls in MRI of the Knee - AJR
Aug 22, 2014 · MRI has sensitivity of 87–96% and specificity of 84–94% for medial meniscal tears and sensitivity of 70–92% with specificity of 91–98% for diagnosing tears of the lateral meniscus [1–5].
Meniscal Tear Patterns in ACL disruption | Radsource
Unfortunately, multiple studies indicate that MRI has the lowest sensitivity for identifying meniscal tears in the posterior horn of the lateral meniscus, which has been attributed to various factors including pulsation artifact from the popliteal artery, volume averaging and magic angle associated with the contour of the tibial eminence and ...
Radial meniscal tear | Radiology Reference Article - Radiopaedia.org
Jun 12, 2024 · MRI. Fluid cleft within the low signal meniscus extending from the central free edge towards the periphery, perpendicular to the articular surface. The marching cleft sign indicates a parrot beak radial tear. The ghost meniscus sign indicates a complete radial tear. …
Meniscal pathology - The Radiology Assistant
Jul 20, 2005 · The two most important criteria for meniscal tears are an abnormal shape of the meniscus and high signal intensity unequivocally contacting the surface on PD images. High signal intensity not unequivocally contacting surface. Small …
Knee MRI: Meniscus Roots, Ramps, Repairs, and Repercussions
Jun 29, 2023 · Meniscus root tears and ramp tears can be easily missed at MRI and arthroscopy but may be unstable and, if left untreated, may result in adverse outcomes for the patient, such as accelerated osteoa...
How I Diagnose Meniscal Tears on Knee MRI - AJR
Nov 23, 2012 · MRI is a highly accurate imaging method for diagnosing meniscal tears. To avoid errors in diagnosing meniscal tears, those interpreting MR examinations of the knee need to be aware of the attachments of the menisci and the normal variations in meniscal anatomy that may resemble a meniscal tear.
Bucket-handle Tear of the Meniscus | Radsource
Bucket-handle tear of the medial meniscus. Introduction. Bucket-handle tears are so named because the inner rim of the meniscus pulls away from the residual meniscal periphery, resulting in a longitudinal tear pattern that resembles the shape of a bucket.
7 Types of Meniscus Tears and Treatments - Verywell Health
6 days ago · In addition to describing the type of tear, most MRI and surgical reports will describe the location of the tear. Tear locations include the following: Posterior horn tears are common and located in the back of the meniscus.