View source for Pes anserine bursitis

==Background==
[[File:Pes anserinus.png|thumb|Muscles of the gluteal and posterior femoral regions. Area of pes anserinus (circled); sartorius, gracilis, semitendinosus and semimembranosus are labeled (bottom).]]
*Name comes from proximity to the pes anserine (three tendons that insert on the tibia)
*Inflammatory condition of the medial knee

===Risk Factors===
*Osteoarthritis of knee
*Obese females
*History of athletic activity (overuse)
**e.g. runners

{{Tendinopathy types}}

==Clinical Features==
*Anterior medial knee pain, frequently chronic (insertion of pes anserine)
*Worse with ascending stairs and when arising from a seated position
*Focal swelling occasionally noted over the bursa
*TTP over the bursa

==Differential Diagnosis==
{{Knee DDX}}

==Evaluation==
*Consider knee x-rays to rule out fracture
**Frequently NOT indicated. See [[Ottawa Knee Rules]]

==Management==
*RICE
*[[NSAIDS]]
*Physical Therapy
*Intrabursal injection with local anesthetics and/or corticosteroids (second line treatment)
**3-5 mL of 1% [[lidocaine]] with or without [[methylprednisolone]] into point of maximal tenderness in bursa
**Do not inject actual tendons themselves.

==Disposition==
*Home
*Admit for IV antibiotics if [[septic bursitis|infected bursa]] is suspected
*Follow up with primary care provider +/- Physical Therapy

==See Also==
*[[Knee diagnoses]]

==References==
<references/>


[[Category:Orthopedics]]
[[Category:Sports Medicine]]