Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer

INTRODUCTION: Investigation of the crossover sign (COS) in different degrees of tilt in pelvises made by three-dimensional printing of CT scans among patients with normal hip versions was carried out. METHODS: Radiology CT scans of 8 normal pelvises reconstructed in 3D and the effect of sequential t...

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Autores principales: Salimi, Amirhossein, Mirghaderi, Seyed Peyman, Gholamzadeh, Mohammad Javad, Qahremani, Reihane, Hadizadeh, Alireza, Shahriarirad, Reza, Jelodari Mamaghani, Hesan, Dehghani, Javad, Salimi, Maryam
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi 2022
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9162839/
https://www.ncbi.nlm.nih.gov/pubmed/35663434
http://dx.doi.org/10.1155/2022/4665342
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author Salimi, Amirhossein
Mirghaderi, Seyed Peyman
Gholamzadeh, Mohammad Javad
Qahremani, Reihane
Hadizadeh, Alireza
Shahriarirad, Reza
Jelodari Mamaghani, Hesan
Dehghani, Javad
Salimi, Maryam
author_facet Salimi, Amirhossein
Mirghaderi, Seyed Peyman
Gholamzadeh, Mohammad Javad
Qahremani, Reihane
Hadizadeh, Alireza
Shahriarirad, Reza
Jelodari Mamaghani, Hesan
Dehghani, Javad
Salimi, Maryam
author_sort Salimi, Amirhossein
collection PubMed
description INTRODUCTION: Investigation of the crossover sign (COS) in different degrees of tilt in pelvises made by three-dimensional printing of CT scans among patients with normal hip versions was carried out. METHODS: Radiology CT scans of 8 normal pelvises reconstructed in 3D and the effect of sequential tilting on the presence of the false-positive COS in 48 radiographs were investigated. RESULTS: The COS was seen in 77% of the AP radiographs during tilt changes. The average distance between the tip of the coccyx and the symphysis pubis was 32.06 ± 10.99 mm. Also, COSs were present in all radiographs from 6 degrees tilt and above. CONCLUSION: Minor tilting of the pelvis can result in a false-positive crossover sign on AP plain radiographs.
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spelling pubmed-91628392022-06-03 Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer Salimi, Amirhossein Mirghaderi, Seyed Peyman Gholamzadeh, Mohammad Javad Qahremani, Reihane Hadizadeh, Alireza Shahriarirad, Reza Jelodari Mamaghani, Hesan Dehghani, Javad Salimi, Maryam Adv Orthop Research Article INTRODUCTION: Investigation of the crossover sign (COS) in different degrees of tilt in pelvises made by three-dimensional printing of CT scans among patients with normal hip versions was carried out. METHODS: Radiology CT scans of 8 normal pelvises reconstructed in 3D and the effect of sequential tilting on the presence of the false-positive COS in 48 radiographs were investigated. RESULTS: The COS was seen in 77% of the AP radiographs during tilt changes. The average distance between the tip of the coccyx and the symphysis pubis was 32.06 ± 10.99 mm. Also, COSs were present in all radiographs from 6 degrees tilt and above. CONCLUSION: Minor tilting of the pelvis can result in a false-positive crossover sign on AP plain radiographs. Hindawi 2022-05-26 /pmc/articles/PMC9162839/ /pubmed/35663434 http://dx.doi.org/10.1155/2022/4665342 Text en Copyright © 2022 Amirhossein Salimi et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Salimi, Amirhossein
Mirghaderi, Seyed Peyman
Gholamzadeh, Mohammad Javad
Qahremani, Reihane
Hadizadeh, Alireza
Shahriarirad, Reza
Jelodari Mamaghani, Hesan
Dehghani, Javad
Salimi, Maryam
Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer
title Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer
title_full Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer
title_fullStr Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer
title_full_unstemmed Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer
title_short Evaluation of Crossover Sign in Pelvis Models Made with a Three-Dimensional Printer
title_sort evaluation of crossover sign in pelvis models made with a three-dimensional printer
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9162839/
https://www.ncbi.nlm.nih.gov/pubmed/35663434
http://dx.doi.org/10.1155/2022/4665342
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