Unusual Cause of Knee Locking

We report a case of partial intrasubstance tear of popliteus tendon as an unusual cause of pseudolocking of the knee. A 13-year-old semiprofessional soccer player applied to our clinic with a locked right knee in spite of the therapy applied (cold pack, NSAID, and immobilization) in another institut...

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Main Authors: Gazi Huri, Omer Sunkar Biçer
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Case Reports in Orthopedics
Online Access:http://dx.doi.org/10.1155/2013/837140
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author Gazi Huri
Omer Sunkar Biçer
author_facet Gazi Huri
Omer Sunkar Biçer
author_sort Gazi Huri
collection DOAJ
description We report a case of partial intrasubstance tear of popliteus tendon as an unusual cause of pseudolocking of the knee. A 13-year-old semiprofessional soccer player applied to our clinic with a locked right knee in spite of the therapy applied (cold pack, NSAID, and immobilization) in another institution 20 days after the injury. Significant extension loss was observed in his right knee with 30∘–90∘ ROM. Magnetic resonance imaging (MRI) and arthroscopy confirmed the intrasubstance tear of popliteus tendon and synovitis. The ruptured part of the tendon was debrided, and the inflammatory tissue around the tendon, which may lead to pseudolocking, was gently removed with a shaver in order to regain the normal ROM. The patient was discharged with full ROM and weight bearing first day after the surgery. To our knowledge, this is the first case demonstrating intrasubstance tear of popliteus tendon causing pseudolocking of the knee.
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spelling doaj-art-079c29afbe774859a8e9f32b082897af2025-02-03T01:07:00ZengWileyCase Reports in Orthopedics2090-67492090-67572013-01-01201310.1155/2013/837140837140Unusual Cause of Knee LockingGazi Huri0Omer Sunkar Biçer1Department of Orthopaedic and Traumatology Surgery, Cukurova University, Adana, TurkeyDepartment of Orthopaedic and Traumatology Surgery, Cukurova University, Adana, TurkeyWe report a case of partial intrasubstance tear of popliteus tendon as an unusual cause of pseudolocking of the knee. A 13-year-old semiprofessional soccer player applied to our clinic with a locked right knee in spite of the therapy applied (cold pack, NSAID, and immobilization) in another institution 20 days after the injury. Significant extension loss was observed in his right knee with 30∘–90∘ ROM. Magnetic resonance imaging (MRI) and arthroscopy confirmed the intrasubstance tear of popliteus tendon and synovitis. The ruptured part of the tendon was debrided, and the inflammatory tissue around the tendon, which may lead to pseudolocking, was gently removed with a shaver in order to regain the normal ROM. The patient was discharged with full ROM and weight bearing first day after the surgery. To our knowledge, this is the first case demonstrating intrasubstance tear of popliteus tendon causing pseudolocking of the knee.http://dx.doi.org/10.1155/2013/837140
spellingShingle Gazi Huri
Omer Sunkar Biçer
Unusual Cause of Knee Locking
Case Reports in Orthopedics
title Unusual Cause of Knee Locking
title_full Unusual Cause of Knee Locking
title_fullStr Unusual Cause of Knee Locking
title_full_unstemmed Unusual Cause of Knee Locking
title_short Unusual Cause of Knee Locking
title_sort unusual cause of knee locking
url http://dx.doi.org/10.1155/2013/837140
work_keys_str_mv AT gazihuri unusualcauseofkneelocking
AT omersunkarbicer unusualcauseofkneelocking