Age / Sex : 47 / F

Age / Sex : 47/F

Chief complaint : knee joint pain

1) What is your impression?

Two weeks later, you can see the final diagnosis with a brief discussion of this case.

* Send Application Answers to In Sook Lee, MD (lis@pusan.ac.kr)

Courtesy : In Sup Song, Chung-Ang University Hospital

Pes Anserine Bursitis

Discussion

Findings:

 Cystic lesion in typical location of pes Anserine bursa.

The Pes Anserine bursa is located between sartorius, gracilis and semitendinous tendon insertion site.

Differential Diagnosis:

Diagnosis:  

Pes anserine bursitis

Discussion:

 Pes Anserine bursitis is characterized by fluid anterior to the conjointed tendons of the sartorius, semitendinosus and gracilis tendon that demonstrates low signal intensity on T1 and hyper intensity on PD and T2 image.

There may be a septation or hemorrhage within the bursa.

Pes bursitis may be associated with athletic activity or degenerative arthritis

References:

pp. 562 Magnetic Resonance Imaging in Orthopaedics and Sponts Medicine 3^rd Edition

David Stoller