Radiocarpal Dislocation Classification Rationale for Management and

FIG. 9. Patient in
7 at follow-~
Note the persistence
the widening of
scapholunate "
the arthritic chan
1985
qo. ll. Same case as
10 showing the reof
open reduction.
the persistence of
widening between the
and the lunate
the residual volar
ion of the lunate.
a cast and after six weeks both
¢arpectomy. Several months after the proximal row
Is were removed.. ....
the injury (Fig. 12) ~nls panent
: :
’~,~wrisl
~~;¢arpectomy the patient still had severe pain, and
a the group. His total score wa~ ~ i~ i inju~yf.Us~-~a~ fusion was performed was between one year the after radius the and initial the
sistence of the gap between the: "
nate. and his range of motion :’i~ ~" distal carpal row. This resulted in solid, painless
severe pain. Follow-up evalu.
! wrist fusion. He is now back to work as a truck
ater involved a proximal
lriver.
FIG. 10. Ante~oposterior
and lateral radiographs
showing a volar.
radiocarpal fracture dislocation.
Note the com,
plete dissociation between
the scaphoid and the lunate
and the severe displacement
of the lunate.
This is Type II dislocation.
FIG. 12. Patient in Fig.
10 at follow-uP evaluation.
Note the severe arthritic
and cystic changes
the lunate,
and distal ra-
Radiocarpal Dislocation
DISCUSSION
207
Radiocarpal dislocations are rare injuries
and their management can be difficult. Four
of seven patients in the authors’ series had
severe injuries to other parts of their bodies.