The Double-Patella Sign: A Patellar Implant Loosening Case Report.
Journal
JBJS case connector
ISSN: 2160-3251
Titre abrégé: JBJS Case Connect
Pays: United States
ID NLM: 101596828
Informations de publication
Date de publication:
01 10 2023
01 10 2023
Historique:
medline:
6
11
2023
pubmed:
2
11
2023
entrez:
2
11
2023
Statut:
epublish
Résumé
A 79-year-old man status post total knee arthroplasty (TKA) sustained atraumatic nondisplaced fracture of the inferior pole of the patella 1 year postoperatively. The patient had full radiographic healing and clinical resolution. Two years after injury, the patient reported new-onset knee pain and was found to have atraumatic inferior migration of the patellar component. The lateral radiograph appeared to demonstrate 2 patellae, coined "the double-patella sign." Nondisplaced patellar fractures after TKA should be monitored even after full osseous healing for component loosening. Inferior migration of a loose patellar component can mimic 2 patellae on the lateral radiograph, mimicking a double patella.
Identifiants
pubmed: 37917772
doi: 10.2106/JBJS.CC.23.00292
pii: 01709767-202312000-00022
doi:
Types de publication
Case Reports
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2023 by The Journal of Bone and Joint Surgery, Incorporated.
Déclaration de conflit d'intérêts
Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSCC/C237).
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