Case Report
Copyright ©The Author(s) 2022.
World J Clin Cases. Aug 6, 2022; 10(22): 7913-7923
Published online Aug 6, 2022. doi: 10.12998/wjcc.v10.i22.7913
Table 1 Comparison of multicentric reticulohistiocytosis and rheumatoid arthritis

MRH
RA
Joint involvementHand joint, knee joint, the shoulder, elbow, hip, ankle, and metatarsophalangeal jointDouble hand joint, wrist joint, foot joint, etc.
The distal interphalangeal joints involvement is frequentThe distal interphalangeal joints involvement is rare
Rate of joint destructionRapidSlow
Radiologic characteristicsEnlargement of joint cavityPeriarticular osteopenia
Loss of articular cartilage and resorption of subchondral bone; no bone loss and abnormal new bone formationNarrowing of the joint space, and bone erosion