High-Field MRI Characterization of Wrist and Hand Cartilage Abnormalities in Inflammatory and Chronic Rheumatisms

Inclusion Criteria: * gp Suspects or affected by rheumatoid polyarthritis 1. Morning articular Stiffness of at least 15 minutes. 2. Arthalgias or Arthritises of at least three joints(articulations), among which those of the hand. 3. Possible rheumatoid Presence of a factor(mailman) and\\or Antibody anti peptides positive citrullinés. 4. Typical possible radiological Hurts on the standard clichés(pictures) of the reached(affected) joints(articulations). * gp Affected by stiffening spondylitis with axial and peripheral infringement : . Lumbago and steepness lumbar vertebra inflammatory. 2. Arthralgias and\\or peripheral arthritises 3. Possible presence of an allèle HLA 4. Possible presence of a sacro-illite 5. Absence of the other rheumatic markers * gp Affected by connectivity with anti-nuclear antibody positive and / or specific antibodies, suffering of polyarthralgias with or without arthritis * gp Healthy control * gp Presenting a degenerative osteoarthritis of the wrist traumatic comment, noticed radiologically, which will serve as not inflammatory control. Exclusion Criteria: * Claustrophobia, * metallic foreign bodies, * pacemakers The pregnant women, * parturients or who breast-feed are excluded from the study