COMPARATIVE EVALUATION OF RADIOLOGICAL FINDINGS IN RHEUMATOID ARTHRITIS ON LOW FIELD MRI AND DUAL ENERGY CT

Abstract

Objectives: To compare the imaging features of Rheumatoid arthritis (RA) using Magnetic Resonance Imaging (MRI) and Dual Energy Computed Tomography (DECT). Material and Methods: A total of 45 clinically diagnosed new cases of rheumatoid arthritis (1-6 months) aged 26-58 years underwent DECT and MRI evaluation for different imaging features. A total of eight imaging features, viz., number of joints showing inflammation, signs of tenosynovitis, cartilage destruction, meniscus destruction, effusion, bone marrow edema, osteosclerosis and bone erosion were evaluated. For inflammation, tenosynovitis, cartilage and meniscus destruction, effusion and bone marrow edema, MRI was considered as the reference modality whereas for osteosclerosis and bone erosion DECT was taken as the reference modality.