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150  SECTION I  III  The Birds


























                                             A

























                                             B

























                                C
                    Figure 15-2 • A, Close-up ventrodorsal view of the right radiocarpal joint of a bald eagle that suffered an articular fracture of its distal radius
                    approximately 6 months earlier. The radiocarpal joint is now severely arthritic, although the radial fracture has healed, albeit as a malunion.
                    B, The uninjured left radiocarpal joint is provided for comparison. C, The close-up, leading edge projection of the arthritic right radiocarpal

                    joint reveals an exceptionally large and potentially flight-limiting distal radial callus, as well as periarticular new bone surrounding the
                    proximal metacarpus, which was not evident in the ventrodorsal view.







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           ch015-A02527.indd   150                                                                                    2/11/2008   10:59:06 AM
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