"T1: a hyperintense line in the meniscus can be seen, but it is difficult to differentiate between degeneration and meniscal tear on this sequence; in the case of a bucket-handle tear an empty groove can sometimes be seen"
"T2: a hyperintense line in the meniscus, which indicates synovial fluid in the meniscus"
"Differential diagnosis "
"Wrisberg rip - a specific lateral meniscus subtype"
"Jack and Jill lesion"
"high intrameniscal signal extending to at least one articular surface, which should be seen in at least two slices: two slice touch rule (do not have to be contiguous, e.g. sagittal and coronal slices)"
Expected headings
"Types"
"Differential diagnosis "
"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."
"There are different types of meniscal tears, describing the morphology of the injury. Identifying and accurately describing the type of meniscal tear can help the surgeon in patient education and planning of the surgical procedure. Meniscal tear types include 1,5,6:"
"There are three basic MRI characteristics/criteria of meniscal tears 5:"
"There are several signs associated with meniscal tears:"
"There are numerous pitfalls to be aware of ref:"
"T1: a hyperintense line in the meniscus can be seen, but it is difficult to differentiate between degeneration and meniscal tear on this sequence; in the case of a bucket-handle tear an empty groove can sometimes be seen"