Acute flipped meniscus

Case contributed by Dr Shailaja Muniraju

Presentation

Road traffic accident.

Patient Data

Age: 40 years
Gender: Female
Modality: MRI

Bony bruise of the lateral tibial plateau, inter tibial region and proximal tibia noted.

There is complete tear of the ACL.

Lateral meniscus: There is complete vertical tear of the anterior horn, furthermore the anterior horn is seen to be displaced in the intercondylar region, suggestive of flipped meniscus.

Medial meniscus: There is complete complex tear (vertical & oblique component) of the posterior horn, with upper/lower and outer articular surface communication. There is oedema of the body with extrusion of its anterior horn.

Grade I sprain of lateral collateral ligament.

Grade II sprain of medial collateral ligament.

Moderate volume joint effusion noted.

Periarticular soft tissue thickening noted.

Modality: CT

There is minimally displaced fracture of the posterolateral tibial plateau.

Special thanks: Dr. Nanda Kumar.

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Case Information

rID: 50268
Case created: 28th Dec 2016
Last edited: 27th Jan 2017
Inclusion in quiz mode: Included

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