Transverse patellar fracture

Case contributed by Amr Farouk


62 years old with direct fall on the knee 1 day ago

Patient Data

Age: 62 years old
Gender: Male

A complete transverse fracture line is seen involving the patella with resultant two fragments seen.

The upper larger fragment is retracted superiorly with lax distal segment of the quadriceps tendon showing elevated interstitial fibers signal yet with no interruption of its fibers.

The lower smaller fragment is seen displaced inferiorly.

Another fine oblique fracture line is seen involving the most anterior aspcet of the tibial plateau with no displacement of fragmentation seen.

A complete oblique fracture line is seen involving the apex of the fibular head with minimal inferior displacement of the fractured fragment.

Associated bone marrow edema signals are seen surrounding the fractured sites.

Mild osteoarthritic changes of the knee joint manifested by:

Mild knee joint effusion is noted.

Case Discussion

Transverse fracture of the patella.

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