{"title":"Dynamic Ultrasound Assessment for Diagnosis of Pseudo-Patellar Clunk Syndrome: A Case Report.","authors":"Steven R Carlson, Gregg R Klein, Chris Cherian","doi":"10.1002/jcu.23860","DOIUrl":null,"url":null,"abstract":"<p><p>Patellar clunk syndrome (PCS) is a complication of total knee arthroplasty (TKA) leading to audible and palpable clunking of the patellofemoral joint as the knee is extended out of deep flexion. While historically a clinical diagnosis, some cases require further workup and imaging. Here, we demonstrated the utility of dynamic ultrasound assessment for a patient with clunking after TKA and identified a variant of PCS that is not well described in the literature. Therefore, this case provides considerations for the workup of post-TKA knee clunking while illustrating unique findings that may contribute to a more challenging diagnosis.</p>","PeriodicalId":15386,"journal":{"name":"Journal of Clinical Ultrasound","volume":null,"pages":null},"PeriodicalIF":1.2000,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Clinical Ultrasound","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1002/jcu.23860","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ACOUSTICS","Score":null,"Total":0}
引用次数: 0
Abstract
Patellar clunk syndrome (PCS) is a complication of total knee arthroplasty (TKA) leading to audible and palpable clunking of the patellofemoral joint as the knee is extended out of deep flexion. While historically a clinical diagnosis, some cases require further workup and imaging. Here, we demonstrated the utility of dynamic ultrasound assessment for a patient with clunking after TKA and identified a variant of PCS that is not well described in the literature. Therefore, this case provides considerations for the workup of post-TKA knee clunking while illustrating unique findings that may contribute to a more challenging diagnosis.
期刊介绍：
The Journal of Clinical Ultrasound (JCU) is an international journal dedicated to the worldwide dissemination of scientific information on diagnostic and therapeutic applications of medical sonography.
The scope of the journal includes--but is not limited to--the following areas: sonography of the gastrointestinal tract, genitourinary tract, vascular system, nervous system, head and neck, chest, breast, musculoskeletal system, and other superficial structures; Doppler applications; obstetric and pediatric applications; and interventional sonography. Studies comparing sonography with other imaging modalities are encouraged, as are studies evaluating the economic impact of sonography. Also within the journal''s scope are innovations and improvements in instrumentation and examination techniques and the use of contrast agents.
JCU publishes original research articles, case reports, pictorial essays, technical notes, and letters to the editor. The journal is also dedicated to being an educational resource for its readers, through the publication of review articles and various scientific contributions from members of the editorial board and other world-renowned experts in sonography.
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