Topographic MRI evaluation of the sacroiliac joints in patients with axial spondyloarthritis

by Laís Uyeda Aivazoglou, Orlando Rondan Zotti, Marcelo de Medeiros Pinheiro, Moacir Ribeiro de Castro Junior, Andrea Puchnick, Artur da Rocha Corrêa Fernandes, Eloy de Ávila Fernandes