Acute flipped meniscus

Case contributed by Shailaja Muniraj
Diagnosis certain

Presentation

Road traffic accident.

Patient Data

Age: 40 years
Gender: Female
mri
This study is a stack
Axial T1
fat sat
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Sagittal
PD fat sat
This study is a stack
Sagittal
T2
This study is a stack
Coronal PD
fat sat
This study is a stack
Coronal
STIR
This study is a stack
Coronal
T1
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Info

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.

ct
This study is a stack
Axial bone
window
This study is a stack
Sagittal
bone window
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Info

There is minimally displaced fracture of the posterolateral tibial plateau.

Special thanks: Dr. Nanda Kumar.

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