carpal boss


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carpal boss

A bony growth on the dorsal surface of the third metacarpocarpal joint.
See also: boss
References in periodicals archive ?
20 The relationship to the carpal boss was not drawn until 1955 by Bassoe and Bassoe who suggested that the os styloideum represented the symptomatic carpal boss.
2,6) The age range of carpal boss does not coincide with degenerative changes revealing bossing in individuals as young as eleven years old, and a mean age of 32.
A symptomatic carpal boss may result from a fracture or breakdown of the coalition similar to those seen in tarsal coalitions.