Evaluation of disease chronicity by bone marrow fat fraction using sacroiliac joint magnetic resonance imaging in patients with spondyloarthritis: A retrospective study.
Bon San KooYoonah SongJi Hui ShinSeunghun LeeTae Hwan KimPublished in: International journal of rheumatic diseases (2019)
Post-inflammatory FF indicates the chronicity of SpA. Evaluating FF using MRI in the SI joint will help to determine radiologic progression.