| Title: |
Avaliação da concordância entre ressonância magnética de ultra-sonografia na classificação de fibrose periportal em esquitossomóticos, segundo a classificação de Niamey ; Agreement between magnetic resonance imaging and ultrasonography in the classification of schistosomal periportal fibrosis, according to Niamey's criteria |
| Authors: |
Scortegagna Junior, Eduardo UNIFESP; Leão, Alberto Ribeiro de Souza UNIFESP; Santos, José Eduardo Mourão UNIFESP; Sales, Danilo Moulin UNIFESP; Shigueoka, David Carlos UNIFESP; Aguiar, Luciane Aparecida Kopke de UNIFESP; Brant, Paulo Eugênio UNIFESP; Colleoni Neto, Ramiro UNIFESP; Borges, Durval Rosa UNIFESP; D'Ippolito, Giuseppe UNIFESP |
| Contributors: |
Universidade Federal de São Paulo (UNIFESP) |
| Publisher Information: |
Colégio Brasileiro de Radiologia e Diagnóstico por Imagem |
| Publication Year: |
2007 |
| Collection: |
Universidade Federal de São Paulo (UNIFESP): Repositório Institucional |
| Subject Terms: |
Schistosomiasis; Periportal fibrosis; Ultrasound; Magnetic resonance imaging; Esquistossomose; Fibrose periportal; Ultra-sonografia; Ressonância magnética |
| Description: |
OBJECTIVE: To evaluate the reproducibility of magnetic resonance imaging and the agreement between ultrasound and magnetic resonance imaging in the classification of periportal fibrosis in patients with schistosomiasis based on Niamey's qualitative criteria. MATERIALS AND METHODS: A prospective, double-blinded study was conducted between February 2005 and June 2006 with 20 patients (10 men and 10 women, with ages ranging between 24 and 60 years, mean age 42.7 years) diagnosed with schistosomiasis mansoni. Both ultrasound and magnetic resonance images were independently evaluated by two experienced observers. Interobserver agreement was evaluated for findings of periportal fibrosis on magnetic resonance images and in a comparison between magnetic resonance and ultrasound images. RESULTS: The analysis of magnetic resonance images showed total interobserver agreement in 14 patients (70%). The comparison between ultrasound and magnetic resonance imaging showed agreement between images in only six cases (30%) by observer 1, and in eight cases (40%) by observer 2. CONCLUSION: Magnetic resonance imaging presents a good reproducibility in the evaluation of periportal fibrosis in later stages of schistosomiasis, however, the correlation between magnetic resonance imaging and ultrasound is poor. ; OBJETIVO: Avaliar a reprodutibilidade da ressonância magnética e a concordância entre a ultra-sonografia e a ressonância magnética na classificação da fibrose periportal em pacientes esquistossomóticos, segundo os critérios qualitativos de Niamey. MATERIAIS E MÉTODOS: Foi realizado estudo prospectivo e duplo-cego, entre fevereiro de 2005 e junho de 2006, em 20 pacientes (10 homens e 10 mulheres, idades entre 24 e 60 anos, média de 42,75 anos) com diagnóstico de esquistossomose mansônica. As imagens de ultra-sonografia e de ressonância magnética foram avaliadas por dois examinadores experientes de forma independente. Foi medida a concordância interobservador para a ressonância magnética e entre a ressonância magnética e a ... |
| Document Type: |
article in journal/newspaper |
| File Description: |
303-308; application/pdf |
| Language: |
Portuguese |
| ISSN: |
0100-3984 |
| Relation: |
Radiologia Brasileira; http://dx.doi.org/10.1590/S0100-39842007000500005; Radiologia Brasileira. Colégio Brasileiro de Radiologia e Diagnóstico por Imagem, v. 40, n. 5, p. 303-308, 2007.; http://repositorio.unifesp.br/handle/11600/3976; S0100-39842007000500005.pdf; S0100-39842007000500005 |
| DOI: |
10.1590/S0100-39842007000500005 |
| Availability: |
http://repositorio.unifesp.br/handle/11600/3976; https://doi.org/10.1590/S0100-39842007000500005 |
| Rights: |
Acesso aberto |
| Accession Number: |
edsbas.698A540F |
| Database: |
BASE |