Citation, DOI, disclosures and article data
Citation:
Weerakkody Y, Luong D, Kusel K, et al. Snapping pes anserinus syndrome. Reference article, Radiopaedia.org (Accessed on 23 Apr 2024) https://doi.org/10.53347/rID-72008
Snapping pes anserinus syndrome is a condition that can occur with the pes anserinus tendons.
It is a frequent cause of medial knee snapping or painful clicking and catching experienced at the posteromedial corner of the knee when moving the knee from flexion to extension.
It usually results from impingement and translation of the gracilis tendon or semitendinosus tendon over the osseous structures of the knee during active flexion and extension.
It has been reported in athletes and in situations of trauma, overuse and as a result of anatomical variants and postoperative changes 3. In some situations, it may also result from underlying lesions such as osteochondromas 2 or other tumors.
Ultrasound
Ultrasound is often the diagnostic imaging test of choice in cases of mechanical snapping especially due to the use of dynamic interrogation.
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1 .Charles E. Rainey, Danielle A. Taysom, Michael D. Rosenthal. Snapping Pes Anserine Syndrome. (2013) Journal of Orthopaedic & Sports Physical Therapy. 44 (1): 41. doi:10.2519/jospt.2014.0402 - Pubmed
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2. Sakamoto A, Matsuda S. Pes Anserinus Syndrome Caused by Osteochondroma in Paediatrics: A Case Series Study. (2017) The open orthopaedics journal. 11: 397-403. doi:10.2174/1874325001711010397 - Pubmed
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3. Inui H, Taketomi S, Yamagami R, Tahara K, Tanaka S. Snapping Pes Syndrome after Unicompartmental Knee Arthroplasty. (2016) Knee surgery & related research. 28 (2): 172-5. doi:10.5792/ksrr.2016.28.2.172 - Pubmed
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4. Rainey CE, Taysom DA, Rosenthal MD. Snapping pes anserine syndrome. (2014) The Journal of orthopaedic and sports physical therapy. 44 (1): 41. doi:10.2519/jospt.2014.0402 - Pubmed
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5. Fazekas ML, Stracciolini A. Snapping Pes Syndrome in a Pediatric Athlete. (2015) Current sports medicine reports. 14 (5): 361-3. doi:10.1249/JSR.0000000000000198 - Pubmed
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