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CC BY-NC-ND 4.0 · Rev Bras Ortop (Sao Paulo) 2023; 58(06): e847-e853
DOI: 10.1055/s-0043-1771486
Artigo Original
Pé e tornozelo

Standardization of the Radiographic Study of the Foot Using the Niza Box

Artikel in mehreren Sprachen: português | English
João Vitor de Castro Fernandes 
1   Médico ortopedista, Complexo Hospitalar São Francisco, Belo Horizonte, MG, Brasil
,
Lucas Pena de Oliveira
2   Médico residente, Complexo Hospitalar São Francisco, Belo Horizonte, MG, Brasil
,
Pedro Agner Aguiar Fernandes
3   Médico Ortopedista e Traumatologista, Santa Casa de Misericórdia, Belo Horizonte, MG, Brasil
,
Altair Carlos Niza
1   Médico ortopedista, Complexo Hospitalar São Francisco, Belo Horizonte, MG, Brasil
,
Ana Luiza de Souza Lima Cerqueira
1   Médico ortopedista, Complexo Hospitalar São Francisco, Belo Horizonte, MG, Brasil
› Institutsangaben Financial Support This study received no financial support from public, commercial, or not-for-profit sources.
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Abstract

Objective This study proposes the Niza box, a device created to reduce interpretive errors among professionals and facilitate the correct positioning of structures by standardizing orthopedic radiography of the foot in anteroposterior, loaded, and Saltzman views.

Methods Descriptive study based on material collected at an Orthopedics Ambulatory from a tertiary service in a large Brazilian city. The X-ray device was a Lotus X, model HF 500 M, 500 milliamperes and 125 kilovolts capacity, 100 cm focus-film distance, and 24 × 30 cm radiographic chassis. Device controls were set at 100 mA, 5 mA/sec, and 60 kilovolts, depending on the variable size of the foot. The same team of previously trained radiography technicians performed the tests under the authors' supervision. The chassis were positioned in three specific Niza box spaces per the proposed incidence. Data from 50 images from people between 18 and 70 years old were analyzed.

Results Radiographs taken using the proposed device usually had a satisfactory quality, allowing correct identification of the anatomical elements of the foot and ankle and angular reconstruction. Small image variations due to foot size were acceptable and expected, allowing radiograph standardization.

Conclusion The Niza box is a good method for minimizing interference and avoiding radiographic interpretation errors, providing quality and agility to the examination, and reducing cost and unnecessary repetitions. It is an innovative, low-cost device made of recyclable and biodegradable material.

Keywords

foot joints - foot - radiography - radiology

Work developed at the Department of Orthopedics and Traumatology of Complexo Hospitalar São Francisco, Belo Horizonte, MG, Brazil.




Publikationsverlauf

Eingereicht: 03. Juli 2022

Angenommen: 24. Januar 2023

Artikel online veröffentlicht:
08. Dezember 2023

© 2023. Sociedade Brasileira de Ortopedia e Traumatologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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