Letter to the Editor
Copyright ©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Methodol. Sep 20, 2022; 12(5): 459-460
Published online Sep 20, 2022. doi: 10.5662/wjm.v12.i5.459
Radiological evaluation of patellofemoral instability and possible causes of assessment errors: Letter to the editor
Mohamed Kamal Mesregah
Mohamed Kamal Mesregah, Department of Orthopaedic Surgery, Menoufia University Faculty of Medicine, Shebin El-Kom, Menoufia, Egypt
Author contributions: Mesregah MK revised the literature and wrote the letter.
Conflict-of-interest statement: The author declares that they have no conflict of interest to disclose.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Mohamed Kamal Mesregah, MD, Lecturer, Department of Orthopaedic Surgery, Menoufia University Faculty of Medicine, Yaseen Abd-ElGhafar st., Shebin El-Kom, Menoufia, Egypt. mohamed.mesregah@med.menofia.edu.eg
Received: May 6, 2022
Peer-review started: May 6, 2022
First decision: July 12, 2022
Revised: July 12, 2022
Accepted: August 17, 2022
Article in press: August 17, 2022
Published online: September 20, 2022
Processing time: 132 Days and 14 Hours
Abstract

This letter to the editor is a commentary on the study titled "Radiological evaluation of patellofemoral instability and possible causes of assessment errors". There are some pertinent structural changes and radiological findings that should be considered in the setting of traumatic knee injuries, as their recognition is of paramount importance.

Keywords: Patellofemoral instability; Radiological evaluation; Sliver sign; Avulsion fractures; Osteochondral lesions; Bone oedema

Core Tip: The radiological diagnosis of patellofemoral instability is pivotal in management as some radiological findings may necessitate surgical intervention. Therefore, image interpretation should be meticulous. Some crucial radiological findings should be considered in the setting of traumatic knee injuries.