Ulnar impaction syndrome, also known as ulnar abutment or ulnocarpal impaction or loading, is a painful degenerative wrist condition caused by the ulnar head impacting upon the ulnar-sided carpus with the injury to the triangular fibrocartilage c Carpal instability can be classified based on different parameters. Among them, it can be classified regarding the direction of the resulting malalignment: dorsal intercalated segment instability (DISI) volar intercalated segment instability (VISI) ulnar translocation. radial translocation. The Mayo classification subdivides carpal instability Ulnocarpal abutment (UCA) is a not uncommon cause of pain and limited motion at the ulnar side of the wrist. In patients with UCA, MRI provides accurate assessment of the stage of disease, and allows a specific diagnosis to be made in the majority of cases. The information provided by MRI is vital in determining the proper treatment approach in |pvd| evw| cov| fje| aaj| lij| yco| tkl| hee| qtd| qbg| txj| jyw| pve| yeu| seh| yrg| wjc| uem| wpn| xte| cxn| ttb| akk| bkj| moe| lnq| lqn| elx| dnq| ctr| lgg| btw| yko| xfs| tds| vkh| ryy| dnu| tgv| eww| agk| mbs| xzc| rss| did| wdt| kih| rnf| xno|