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Elbow Swelling

A 40-year-old male with history of psoriatic arthritis presented with left elbow swelling. Ultrasound of left elbow at the olecranon fossa was obtained. The images below was one of the images obtained documenting the positive ultrasound findings. There was no history of injury to the elbow.     What is the most likely diagnosis? A. […]

A 40-year-old male with history of psoriatic arthritis presented with left elbow swelling. Ultrasound of left elbow at the olecranon fossa was obtained. The images below was one of the images obtained documenting the positive ultrasound findings. There was no history of injury to the elbow.

 

 

What is the most likely diagnosis?

A. Hematoma
B. Cellulitis
C. Olecranon fossa effusion

 

 

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Answer: 

Ultrasound of left elbow shows a hypoechoic collection at olecranon fossa suggestive of olecranon fossa effusion. The video was captured in longitudinal and transverse view. See reference for detailed explanation.

Reference

doi: 10.1016/j.jus.2007.04.005

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