Magnetic resonance imaging of a patient with active sacroiliitis
Magnetic resonance imaging of a patient with active sacroiliitis
Panel A shows the T1 sequence. Panel B shows the STIR sequence. The bright white areas in STIR, which are not seen in the T1, are the areas of bone marrow edema (arrows). The corresponding areas in the T1-weighted images appear dark.
STIR: short tau inversion recovery.
Courtesy of Xenofon Baraliakos, Rheumazentrum Ruhrgebiet Herne, Ruhr-Universität, Herne, Germany.
