Wrisberg variant of the discoid lateral meniscus with flipped meniscal fragments simulating bucket-handle tear: MRI and arthroscopic correlation.

Abstract:

:An MRI diagnosis of the Wrisberg variant discoid lateral meniscus should be considered in patients presenting with an anteriorly flipped posterior horn fragment without a definable peripheral rim. We present four cases discovered on arthroscopy that were thought to resemble bucket-handle tears on preoperative MRI. Posterior hypermobility poses a surgical challenge as excessive debridement without careful attention to underlying meniscal morphology may lead to further instability. Although this diagnosis can be difficult to make on MRI, alerting the orthopedic surgeon preoperatively may influence repair technique and meniscus conservation.

journal_name

Skeletal Radiol

journal_title

Skeletal radiology

authors

Yue BW,Gupta AK,Moorman CT 3rd,Garrett WE,Helms CA

doi

10.1007/s00256-011-1124-4

subject

Has Abstract

pub_date

2011-08-01 00:00:00

pages

1089-94

issue

8

eissn

0364-2348

issn

1432-2161

journal_volume

40

pub_type

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