Knee joint effusion

Case contributed by Dr Bruno Di Muzio

Presentation

Trauma after fall.

Patient Data

Age: 21
Gender: Female
Modality: X-ray

Right knee radiographs: small knee joint effusion. No fracture or malalignment.

(D standing from "direito" which means right in Portuguese)

Modality: Annotated image

Small knee joint effusion separating periarticular fat pads in >10 mm.

Case Discussion

Knee joint effusions are only reliably seen on lateral projections. A knee joint effusion appears as well-defined rounded homogeneous soft tissue density within the suprapatellar recess on a lateral radiograph. 

 

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Case Information

rID: 37805
Case created: 23rd Jun 2015
Last edited: 10th Sep 2015
Inclusion in quiz mode: Included

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