more especially , echography is not limited to the very diagnosis of extravasation : in acute transient synovitis , it shows an enlargement of the joint cavity , with no effusion , giving evidence of the inflammatory synovial reaction , in arthritis , it allows a good survey , pointing out healing under treatment , persistent extravasation commanding iterative succions , and the coming out of an articular septation .
C0003864
arthritis
C0022417
articular