Roentgen Aspects of Injuries to the Pisiform Bone and Pisotriquetral Joint

Abstract
The anatomy and roentgenography of the pisiform and parapisiform area are briefly reviewed. Thirteen cases of fractures of the pisiform bone are reported and discussed, and the scant literature pertaining to this subject is reviewed. The problem of subluxation of the pisotriquetral joint is analyzed on the basis of the normal kinematics of this joint as revealed by roentgenography, and the findings in the pisotriquetral joint in a group of fractures of the distal part of the radius are reviewed.

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