Knee joint effusion

Case contributed by Dr Bruno Di Muzio

Presentation

Trauma after fall.

Patient Data

Age: 21
Gender: Female
X-ray

Right knee radiograph

Right knee radiographs: small knee joint effusion. No fracture or malalignment. ("D" stands for "direito", which means "right" in Portuguese)

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. 

PlayAdd to Share

Case information

rID: 37805
Published: 23rd Jun 2015
Last edited: 15th May 2018
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.